changed order of functions in EM engine source file
[rocksndiamonds.git] / src / game_em / synchro_2.c
index 6c9cf8f0a00defc731b111b454c3d20a68664c03..7ed2bfbd93934b630cd8b5f88ce462e78eb6a763 100644 (file)
  *
  * one giant switch statement to process everything.
  *
- * this whole thing is a major bottleneck. the compiler must use registers. compilers suck.
+ * this whole thing is a major bottleneck. the compiler must use registers.
+ * compilers suck.
  */
 
-#include "display.h"
-#include "tile.h"
-#include "level.h"
-#include "sample.h"
+#include "main_em.h"
 
 
-#if defined(TARGET_X11)
+#define SPRING_ROLL    /* spring rolling off round things continues to roll */
 
-extern unsigned int screen_x;
-extern unsigned int screen_y;
+#define RANDOM_RAW     (seed = seed << 31 | seed >> 1)
+#define RANDOM(x)      (RANDOM_RAW & (x - 1))
 
-void synchro_2(void)
+static unsigned int seed;
+static int score;
+
+static void Lboom_bug(int x, int y)
+{
+  Next[x][y] = Znormal;
+  Boom[x-1][y-1] = Xemerald;
+  Boom[x][y-1] = Xemerald;
+  Boom[x+1][y-1] = Xemerald;
+  Boom[x-1][y] = Xemerald;
+  Boom[x][y] = Xdiamond;
+  Boom[x+1][y] = Xemerald;
+  Boom[x-1][y+1] = Xemerald;
+  Boom[x][y+1] = Xemerald;
+  Boom[x+1][y+1] = Xemerald;
+
+#if PLAY_ELEMENT_SOUND
+  play_element_sound(x, y, SOUND_boom, element);
+#endif
+}
+
+static void Lboom_tank(int x, int y)
+{
+  Next[x][y] = Znormal;
+  Boom[x-1][y-1] = Xblank;
+  Boom[x][y-1] = Xblank;
+  Boom[x+1][y-1] = Xblank;
+  Boom[x-1][y] = Xblank;
+  Boom[x][y] = Xblank;
+  Boom[x+1][y] = Xblank;
+  Boom[x-1][y+1] = Xblank;
+  Boom[x][y+1] = Xblank;
+  Boom[x+1][y+1] = Xblank;
+#if PLAY_ELEMENT_SOUND
+  play_element_sound(x, y, SOUND_boom, element);
+#endif
+}
+
+static void set_nearest_player_xy(int x, int y, int *dx, int *dy)
+{
+  int distance, distance_shortest = EM_MAX_CAVE_WIDTH + EM_MAX_CAVE_HEIGHT;
+  int i;
+
+  /* default values if no players are alive anymore */
+  *dx = 0;
+  *dy = 0;
+
+  for (i = 0; i < MAX_PLAYERS; i++)
+  {
+    if (!ply[i].alive)
+      continue;
+
+    distance = ABS(ply[i].x - x) + ABS(ply[i].y - y);
+
+    if (distance < distance_shortest)
+    {
+      *dx = ply[i].x;
+      *dy = ply[i].y;
+
+      distance_shortest = distance;
+    }
+  }
+}
+
+static void Lacid_1(int x, int y)
+{
+  Next[x][y] = Xacid_2;
+}
+
+static void Lacid_2(int x, int y)
+{
+  Next[x][y] = Xacid_3;
+}
+
+static void Lacid_3(int x, int y)
+{
+  Next[x][y] = Xacid_4;
+}
+
+static void Lacid_4(int x, int y)
+{
+  Next[x][y] = Xacid_5;
+}
+
+static void Lacid_5(int x, int y)
+{
+  Next[x][y] = Xacid_6;
+}
+
+static void Lacid_6(int x, int y)
+{
+  Next[x][y] = Xacid_7;
+}
+
+static void Lacid_7(int x, int y)
+{
+  Next[x][y] = Xacid_8;
+}
+
+static void Lacid_8(int x, int y)
+{
+  Next[x][y] = Xacid_1;
+}
+
+#ifdef EM_ENGINE_USE_ADDITIONAL_ELEMENTS
+static void Lfake_acid_1(int x, int y)
+{
+  Next[x][y] = Xfake_acid_2;
+}
+
+static void Lfake_acid_2(int x, int y)
+{
+  Next[x][y] = Xfake_acid_3;
+}
+
+static void Lfake_acid_3(int x, int y)
+{
+  Next[x][y] = Xfake_acid_4;
+}
+
+static void Lfake_acid_4(int x, int y)
+{
+  Next[x][y] = Xfake_acid_5;
+}
+
+static void Lfake_acid_5(int x, int y)
+{
+  Next[x][y] = Xfake_acid_6;
+}
+
+static void Lfake_acid_6(int x, int y)
+{
+  Next[x][y] = Xfake_acid_7;
+}
+
+static void Lfake_acid_7(int x, int y)
+{
+  Next[x][y] = Xfake_acid_8;
+}
+
+static void Lfake_acid_8(int x, int y)
+{
+  Next[x][y] = Xfake_acid_1;
+}
+#endif
+
+static void Landroid(int x, int y)
+{
+  int dx, dy, temp;
+
+  if (lev.android_clone_cnt == 0)
+  {
+    if (Cave[x-1][y-1] != Xblank &&
+       Cave[x][y-1]   != Xblank &&
+       Cave[x+1][y-1] != Xblank &&
+       Cave[x-1][y]   != Xblank &&
+       Cave[x+1][y]   != Xblank &&
+       Cave[x-1][y+1] != Xblank &&
+       Cave[x][y+1]   != Xblank &&
+       Cave[x+1][y+1] != Xblank)
+      goto android_move;
+
+    switch (RANDOM(8))
+    {
+      /* randomly find an object to clone */
+
+      case 0: /* S,NE,W,NW,SE,E,SW,N */
+       temp = lev.android_array[Cave[x][y+1]];   if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x+1][y-1]]; if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x-1][y]];   if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x-1][y-1]]; if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x+1][y+1]]; if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x+1][y]];   if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x-1][y+1]]; if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x][y-1]];   if (temp != Xblank) break;
+       goto android_move;
+
+      case 1: /* NW,SE,N,S,NE,SW,E,W */
+       temp = lev.android_array[Cave[x-1][y-1]]; if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x+1][y+1]]; if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x][y-1]];   if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x][y+1]];   if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x+1][y-1]]; if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x-1][y+1]]; if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x+1][y]];   if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x-1][y]];   if (temp != Xblank) break;
+       goto android_move;
+
+      case 2: /* SW,E,S,W,N,NW,SE,NE */
+       temp = lev.android_array[Cave[x-1][y+1]]; if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x+1][y]];   if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x][y+1]];   if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x-1][y]];   if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x][y-1]];   if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x-1][y-1]]; if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x+1][y+1]]; if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x+1][y-1]]; if (temp != Xblank) break;
+       goto android_move;
+
+      case 3: /* N,SE,NE,E,W,S,NW,SW */
+       temp = lev.android_array[Cave[x][y-1]];   if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x+1][y+1]]; if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x+1][y-1]]; if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x+1][y]];   if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x-1][y]];   if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x][y+1]];   if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x-1][y-1]]; if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x-1][y+1]]; if (temp != Xblank) break;
+       goto android_move;
+
+      case 4: /* SE,NW,E,NE,SW,W,N,S */
+       temp = lev.android_array[Cave[x+1][y+1]]; if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x-1][y-1]]; if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x+1][y]];   if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x+1][y-1]]; if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x-1][y+1]]; if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x-1][y]];   if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x][y-1]];   if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x][y+1]];   if (temp != Xblank) break;
+       goto android_move;
+
+      case 5: /* NE,W,SE,SW,S,N,E,NW */
+       temp = lev.android_array[Cave[x+1][y-1]]; if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x-1][y]];   if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x+1][y+1]]; if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x-1][y+1]]; if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x][y+1]];   if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x][y-1]];   if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x+1][y]];   if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x-1][y-1]]; if (temp != Xblank) break;
+       goto android_move;
+
+      case 6: /* E,N,SW,S,NW,NE,SE,W */
+       temp = lev.android_array[Cave[x+1][y]];   if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x][y-1]];   if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x-1][y+1]]; if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x][y+1]];   if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x-1][y-1]]; if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x+1][y-1]]; if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x+1][y+1]]; if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x-1][y]];   if (temp != Xblank) break;
+       goto android_move;
+
+      case 7: /* W,SW,NW,N,E,SE,NE,S */
+       temp = lev.android_array[Cave[x-1][y]];   if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x-1][y+1]]; if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x-1][y-1]]; if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x][y-1]];   if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x+1][y]];   if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x+1][y+1]]; if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x+1][y-1]]; if (temp != Xblank) break;
+       temp = lev.android_array[Cave[x][y+1]];   if (temp != Xblank) break;
+       goto android_move;
+    }
+
+    Next[x][y] = temp; /* the item we chose to clone */
+    play_element_sound(x, y, SOUND_android_clone, temp);
+
+    switch (RANDOM(8))
+    {
+      /* randomly find a direction to move */
+
+      case 0: /* S,NE,W,NW,SE,E,SW,N */
+       if (Cave[x][y+1] == Xblank)   goto android_s;
+       if (Cave[x+1][y-1] == Xblank) goto android_ne;
+       if (Cave[x-1][y] == Xblank)   goto android_w;
+       if (Cave[x-1][y-1] == Xblank) goto android_nw;
+       if (Cave[x+1][y+1] == Xblank) goto android_se;
+       if (Cave[x+1][y] == Xblank)   goto android_e;
+       if (Cave[x-1][y+1] == Xblank) goto android_sw;
+       if (Cave[x][y-1] == Xblank)   goto android_n;
+       goto android_move;
+
+      case 1: /* NW,SE,N,S,NE,SW,E,W */
+       if (Cave[x-1][y-1] == Xblank) goto android_nw;
+       if (Cave[x+1][y+1] == Xblank) goto android_se;
+       if (Cave[x][y-1] == Xblank)   goto android_n;
+       if (Cave[x][y+1] == Xblank)   goto android_s;
+       if (Cave[x+1][y-1] == Xblank) goto android_ne;
+       if (Cave[x-1][y+1] == Xblank) goto android_sw;
+       if (Cave[x+1][y] == Xblank)   goto android_e;
+       if (Cave[x-1][y] == Xblank)   goto android_w;
+       goto android_move;
+
+      case 2: /* SW,E,S,W,N,NW,SE,NE */
+       if (Cave[x-1][y+1] == Xblank) goto android_sw;
+       if (Cave[x+1][y] == Xblank)   goto android_e;
+       if (Cave[x][y+1] == Xblank)   goto android_s;
+       if (Cave[x-1][y] == Xblank)   goto android_w;
+       if (Cave[x][y-1] == Xblank)   goto android_n;
+       if (Cave[x-1][y-1] == Xblank) goto android_nw;
+       if (Cave[x+1][y+1] == Xblank) goto android_se;
+       if (Cave[x+1][y-1] == Xblank) goto android_ne;
+       goto android_move;
+
+      case 3: /* N,SE,NE,E,W,S,NW,SW */
+       if (Cave[x][y-1] == Xblank)   goto android_n;
+       if (Cave[x+1][y+1] == Xblank) goto android_se;
+       if (Cave[x+1][y-1] == Xblank) goto android_ne;
+       if (Cave[x+1][y] == Xblank)   goto android_e;
+       if (Cave[x-1][y] == Xblank)   goto android_w;
+       if (Cave[x][y+1] == Xblank)   goto android_s;
+       if (Cave[x-1][y-1] == Xblank) goto android_nw;
+       if (Cave[x-1][y+1] == Xblank) goto android_sw;
+       goto android_move;
+
+      case 4: /* SE,NW,E,NE,SW,W,N,S */
+       if (Cave[x+1][y+1] == Xblank) goto android_se;
+       if (Cave[x-1][y-1] == Xblank) goto android_nw;
+       if (Cave[x+1][y] == Xblank)   goto android_e;
+       if (Cave[x+1][y-1] == Xblank) goto android_ne;
+       if (Cave[x-1][y+1] == Xblank) goto android_sw;
+       if (Cave[x-1][y] == Xblank)   goto android_w;
+       if (Cave[x][y-1] == Xblank)   goto android_n;
+       if (Cave[x][y+1] == Xblank)   goto android_s;
+       goto android_move;
+
+      case 5: /* NE,W,SE,SW,S,N,E,NW */
+       if (Cave[x+1][y-1] == Xblank) goto android_ne;
+       if (Cave[x-1][y] == Xblank)   goto android_w;
+       if (Cave[x+1][y+1] == Xblank) goto android_se;
+       if (Cave[x-1][y+1] == Xblank) goto android_sw;
+       if (Cave[x][y+1] == Xblank)   goto android_s;
+       if (Cave[x][y-1] == Xblank)   goto android_n;
+       if (Cave[x+1][y] == Xblank)   goto android_e;
+       if (Cave[x-1][y-1] == Xblank) goto android_nw;
+       goto android_move;
+
+      case 6: /* E,N,SW,S,NW,NE,SE,W */
+       if (Cave[x+1][y] == Xblank)   goto android_e;
+       if (Cave[x][y-1] == Xblank)   goto android_n;
+       if (Cave[x-1][y+1] == Xblank) goto android_sw;
+       if (Cave[x][y+1] == Xblank)   goto android_s;
+       if (Cave[x-1][y-1] == Xblank) goto android_nw;
+       if (Cave[x+1][y-1] == Xblank) goto android_ne;
+       if (Cave[x+1][y+1] == Xblank) goto android_se;
+       if (Cave[x-1][y] == Xblank)   goto android_w;
+       goto android_move;
+
+      case 7: /* W,SW,NW,N,E,SE,NE,S */
+       if (Cave[x-1][y] == Xblank)   goto android_w;
+       if (Cave[x-1][y+1] == Xblank) goto android_sw;
+       if (Cave[x-1][y-1] == Xblank) goto android_nw;
+       if (Cave[x][y-1] == Xblank)   goto android_n;
+       if (Cave[x+1][y] == Xblank)   goto android_e;
+       if (Cave[x+1][y+1] == Xblank) goto android_se;
+       if (Cave[x+1][y-1] == Xblank) goto android_ne;
+       if (Cave[x][y+1] == Xblank)   goto android_s;
+       goto android_move;
+    }
+  }
+
+ android_move:
+  if (lev.android_move_cnt == 0)
+  {
+    if (Cave[x-1][y-1] == Zplayer ||
+       Cave[x][y-1]   == Zplayer ||
+       Cave[x+1][y-1] == Zplayer ||
+       Cave[x-1][y]   == Zplayer ||
+       Cave[x+1][y]   == Zplayer ||
+       Cave[x-1][y+1] == Zplayer ||
+       Cave[x][y+1]   == Zplayer ||
+       Cave[x+1][y+1] == Zplayer)
+      goto android_still;
+
+    set_nearest_player_xy(x, y, &dx, &dy);
+
+    Next[x][y] = Xblank;       /* assume we will move */
+    temp = ((x < dx) + 1 - (x > dx)) + ((y < dy) + 1 - (y > dy)) * 3;
+
+    if (RANDOM(2))
+    {
+      switch (temp)
+      {
+       /* attempt clockwise move first if direct path is blocked */
+
+       case 0: /* north west */
+         if (tab_android_move[Cave[x-1][y-1]]) goto android_nw;
+         if (tab_android_move[Cave[x][y-1]])   goto android_n;
+         if (tab_android_move[Cave[x-1][y]])   goto android_w;
+         break;
+
+       case 1: /* north */
+         if (tab_android_move[Cave[x][y-1]])   goto android_n;
+         if (tab_android_move[Cave[x+1][y-1]]) goto android_ne;
+         if (tab_android_move[Cave[x-1][y-1]]) goto android_nw;
+         break;
+
+       case 2: /* north east */
+         if (tab_android_move[Cave[x+1][y-1]]) goto android_ne;
+         if (tab_android_move[Cave[x+1][y]])   goto android_e;
+         if (tab_android_move[Cave[x][y-1]])   goto android_n;
+         break;
+
+       case 3: /* west */
+         if (tab_android_move[Cave[x-1][y]])   goto android_w;
+         if (tab_android_move[Cave[x-1][y-1]]) goto android_nw;
+         if (tab_android_move[Cave[x-1][y+1]]) goto android_sw;
+         break;
+
+       case 4: /* nowhere */
+         break;
+
+       case 5: /* east */
+         if (tab_android_move[Cave[x+1][y]])   goto android_e;
+         if (tab_android_move[Cave[x+1][y+1]]) goto android_se;
+         if (tab_android_move[Cave[x+1][y-1]]) goto android_ne;
+         break;
+
+       case 6: /* south west */
+         if (tab_android_move[Cave[x-1][y+1]]) goto android_sw;
+         if (tab_android_move[Cave[x-1][y]])   goto android_w;
+         if (tab_android_move[Cave[x][y+1]])   goto android_s;
+         break;
+
+       case 7: /* south */
+         if (tab_android_move[Cave[x][y+1]])   goto android_s;
+         if (tab_android_move[Cave[x-1][y+1]]) goto android_sw;
+         if (tab_android_move[Cave[x+1][y+1]]) goto android_se;
+         break;
+
+       case 8: /* south east */
+         if (tab_android_move[Cave[x+1][y+1]]) goto android_se;
+         if (tab_android_move[Cave[x][y+1]])   goto android_s;
+         if (tab_android_move[Cave[x+1][y]])   goto android_e;
+         break;
+      }
+    }
+    else
+    {
+      switch (temp)
+      {
+       /* attempt counterclockwise move first if direct path is blocked */
+
+       case 0: /* north west */
+         if (tab_android_move[Cave[x-1][y-1]]) goto android_nw;
+         if (tab_android_move[Cave[x-1][y]])   goto android_w;
+         if (tab_android_move[Cave[x][y-1]])   goto android_n;
+         break;
+
+       case 1: /* north */
+         if (tab_android_move[Cave[x][y-1]])   goto android_n;
+         if (tab_android_move[Cave[x-1][y-1]]) goto android_nw;
+         if (tab_android_move[Cave[x+1][y-1]]) goto android_ne;
+         break;
+
+       case 2: /* north east */
+         if (tab_android_move[Cave[x+1][y-1]]) goto android_ne;
+         if (tab_android_move[Cave[x][y-1]])   goto android_n;
+         if (tab_android_move[Cave[x+1][y]])   goto android_e;
+         break;
+
+       case 3: /* west */
+         if (tab_android_move[Cave[x-1][y]])   goto android_w;
+         if (tab_android_move[Cave[x-1][y+1]]) goto android_sw;
+         if (tab_android_move[Cave[x-1][y-1]]) goto android_nw;
+         break;
+
+       case 4: /* nowhere */
+         break;
+
+       case 5: /* east */
+         if (tab_android_move[Cave[x+1][y]])   goto android_e;
+         if (tab_android_move[Cave[x+1][y-1]]) goto android_ne;
+         if (tab_android_move[Cave[x+1][y+1]]) goto android_se;
+         break;
+
+       case 6: /* south west */
+         if (tab_android_move[Cave[x-1][y+1]]) goto android_sw;
+         if (tab_android_move[Cave[x][y+1]])   goto android_s;
+         if (tab_android_move[Cave[x-1][y]])   goto android_w;
+         break;
+
+       case 7: /* south */
+         if (tab_android_move[Cave[x][y+1]])   goto android_s;
+         if (tab_android_move[Cave[x+1][y+1]]) goto android_se;
+         if (tab_android_move[Cave[x-1][y+1]]) goto android_sw;
+         break;
+
+       case 8: /* south east */
+         if (tab_android_move[Cave[x+1][y+1]]) goto android_se;
+         if (tab_android_move[Cave[x+1][y]])   goto android_e;
+         if (tab_android_move[Cave[x][y+1]])   goto android_s;
+         break;
+      }
+    }
+  }
+
+ android_still:
+  Next[x][y] = Xandroid;
+  return;
+
+ android_n:
+  Cave[x][y] = Yandroid_nB;
+  Cave[x][y-1] = Yandroid_n;
+  Next[x][y-1] = Xandroid;
+  play_element_sound(x, y, SOUND_android_move, Xandroid);
+  return;
+
+ android_ne:
+  Cave[x][y] = Yandroid_neB;
+  Cave[x+1][y-1] = Yandroid_ne;
+  Next[x+1][y-1] = Xandroid;
+  play_element_sound(x, y, SOUND_android_move, Xandroid);
+  return;
+
+ android_e:
+  Cave[x][y] = Yandroid_eB;
+  Cave[x+1][y] = Yandroid_e;
+  Next[x+1][y] = Xandroid;
+  play_element_sound(x, y, SOUND_android_move, Xandroid);
+  return;
+
+ android_se:
+  Cave[x][y] = Yandroid_seB;
+  Cave[x+1][y+1] = Yandroid_se;
+  Next[x+1][y+1] = Xandroid;
+  play_element_sound(x, y, SOUND_android_move, Xandroid);
+  return;
+
+ android_s:
+  Cave[x][y] = Yandroid_sB;
+  Cave[x][y+1] = Yandroid_s;
+  Next[x][y+1] = Xandroid;
+  play_element_sound(x, y, SOUND_android_move, Xandroid);
+  return;
+
+ android_sw:
+  Cave[x][y] = Yandroid_swB;
+  Cave[x-1][y+1] = Yandroid_sw;
+  Next[x-1][y+1] = Xandroid;
+  play_element_sound(x, y, SOUND_android_move, Xandroid);
+  return;
+
+ android_w:
+  Cave[x][y] = Yandroid_wB;
+  Cave[x-1][y] = Yandroid_w;
+  Next[x-1][y] = Xandroid;
+  play_element_sound(x, y, SOUND_android_move, Xandroid);
+  return;
+
+ android_nw:
+  Cave[x][y] = Yandroid_nwB;
+  Cave[x-1][y-1] = Yandroid_nw;
+  Next[x-1][y-1] = Xandroid;
+  play_element_sound(x, y, SOUND_android_move, Xandroid);
+  return;
+}
+
+static void Landroid_1_n(int x, int y)
+{
+  switch (Cave[x][y-1])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Yandroid_nB;
+      if (Cave[x+1][y-2] == Xblank)
+       Cave[x+1][y-2] = Xacid_splash_e;
+      if (Cave[x-1][y-2] == Xblank)
+       Cave[x-1][y-2] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+      Cave[x][y] = Yandroid_nB;
+      Cave[x][y-1] = Yandroid_n;
+      Next[x][y] = Xblank;
+      Next[x][y-1] = Xandroid;
+      play_element_sound(x, y, SOUND_android_move, Xandroid_1_n);
+      return;
+
+    default:
+      Landroid(x, y);
+      return;
+  }
+}
+
+static void Landroid_2_n(int x, int y)
+{
+  switch (Cave[x][y-1])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Yandroid_nB;
+      if (Cave[x+1][y-2] == Xblank)
+       Cave[x+1][y-2] = Xacid_splash_e;
+      if (Cave[x-1][y-2] == Xblank)
+       Cave[x-1][y-2] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+      Cave[x][y] = Yandroid_nB;
+      Cave[x][y-1] = Yandroid_n;
+      Next[x][y] = Xblank;
+      Next[x][y-1] = Xandroid_1_n;
+      play_element_sound(x, y, SOUND_android_move, Xandroid_2_n);
+      return;
+
+    default:
+      Landroid(x, y);
+      return;
+  }
+}
+
+static void Landroid_1_e(int x, int y)
+{
+  switch (Cave[x+1][y])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Yandroid_eB;
+      if (Cave[x+2][y-1] == Xblank)
+       Cave[x+2][y-1] = Xacid_splash_e;
+      if (Cave[x][y-1] == Xblank)
+       Cave[x][y-1] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+      Cave[x][y] = Yandroid_eB;
+      Cave[x+1][y] = Yandroid_e;
+      Next[x][y] = Xblank;
+      Next[x+1][y] = Xandroid;
+      play_element_sound(x, y, SOUND_android_move, Xandroid_1_e);
+      return;
+
+    default:
+      Landroid(x, y);
+      return;
+  }
+}
+
+static void Landroid_2_e(int x, int y)
+{
+  switch (Cave[x+1][y])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Yandroid_eB;
+      if (Cave[x+2][y-1] == Xblank)
+       Cave[x+2][y-1] = Xacid_splash_e;
+      if (Cave[x][y-1] == Xblank)
+       Cave[x][y-1] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+      Cave[x][y] = Yandroid_eB;
+      Cave[x+1][y] = Yandroid_e;
+      Next[x][y] = Xblank;
+      Next[x+1][y] = Xandroid_1_e;
+      play_element_sound(x, y, SOUND_android_move, Xandroid_2_e);
+      return;
+
+    default:
+      Landroid(x, y);
+      return;
+  }
+}
+
+static void Landroid_1_s(int x, int y)
+{
+  switch (Cave[x][y+1])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Yandroid_sB;
+      if (Cave[x+1][y] == Xblank)
+       Cave[x+1][y] = Xacid_splash_e;
+      if (Cave[x-1][y] == Xblank)
+       Cave[x-1][y] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+      Cave[x][y] = Yandroid_sB;
+      Cave[x][y+1] = Yandroid_s;
+      Next[x][y] = Xblank;
+      Next[x][y+1] = Xandroid;
+      play_element_sound(x, y, SOUND_android_move, Xandroid_1_s);
+      return;
+
+    default:
+      Landroid(x, y);
+      return;
+  }
+}
+
+static void Landroid_2_s(int x, int y)
+{
+  switch (Cave[x][y+1])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Yandroid_sB;
+      if (Cave[x+1][y] == Xblank)
+       Cave[x+1][y] = Xacid_splash_e;
+      if (Cave[x-1][y] == Xblank)
+       Cave[x-1][y] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+      Cave[x][y] = Yandroid_sB;
+      Cave[x][y+1] = Yandroid_s;
+      Next[x][y] = Xblank;
+      Next[x][y+1] = Xandroid_1_s;
+      play_element_sound(x, y, SOUND_android_move, Xandroid_2_s);
+      return;
+
+    default:
+      Landroid(x, y);
+      return;
+  }
+}
+
+static void Landroid_1_w(int x, int y)
+{
+  switch (Cave[x-1][y])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Yandroid_wB;
+      if (Cave[x][y-1] == Xblank)
+       Cave[x][y-1] = Xacid_splash_e;
+      if (Cave[x-2][y-1] == Xblank)
+       Cave[x-2][y-1] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+      Cave[x][y] = Yandroid_wB;
+      Cave[x-1][y] = Yandroid_w;
+      Next[x][y] = Xblank;
+      Next[x-1][y] = Xandroid;
+      play_element_sound(x, y, SOUND_android_move, Xandroid_1_w);
+      return;
+
+    default:
+      Landroid(x, y);
+      return;
+  }
+}
+
+static void Landroid_2_w(int x, int y)
+{
+  switch (Cave[x-1][y])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Yandroid_wB;
+      if (Cave[x][y-1] == Xblank)
+       Cave[x][y-1] = Xacid_splash_e;
+      if (Cave[x-2][y-1] == Xblank)
+       Cave[x-2][y-1] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+      Cave[x][y] = Yandroid_wB;
+      Cave[x-1][y] = Yandroid_w;
+      Next[x][y] = Xblank;
+      Next[x-1][y] = Xandroid_1_w;
+      play_element_sound(x, y, SOUND_android_move, Xandroid_1_w);
+      return;
+
+    default:
+      Landroid(x, y);
+      return;
+  }
+}
+
+static void Leater_n(int x, int y)
+{
+  if (Cave[x+1][y] == Xdiamond)
+  {
+    Cave[x+1][y] = Ydiamond_blank;
+    Next[x+1][y] = Xblank;
+    play_element_sound(x, y, SOUND_eater_eat, Xeater_n);
+    return;
+  }
+
+  if (Cave[x][y+1] == Xdiamond)
+  {
+    Cave[x][y+1] = Ydiamond_blank;
+    Next[x][y+1] = Xblank;
+    play_element_sound(x, y, SOUND_eater_eat, Xeater_n);
+    return;
+  }
+
+  if (Cave[x-1][y] == Xdiamond)
+  {
+    Cave[x-1][y] = Ydiamond_blank;
+    Next[x-1][y] = Xblank;
+    play_element_sound(x, y, SOUND_eater_eat, Xeater_n);
+    return;
+  }
+
+  if (Cave[x][y-1] == Xdiamond)
+  {
+    Cave[x][y-1] = Ydiamond_blank;
+    Next[x][y-1] = Xblank;
+    play_element_sound(x, y, SOUND_eater_eat, Xeater_n);
+    return;
+  }
+
+  switch (Cave[x][y-1])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Yeater_nB;
+      if (Cave[x+1][y-2] == Xblank)
+       Cave[x+1][y-2] = Xacid_splash_e;
+      if (Cave[x-1][y-2] == Xblank)
+       Cave[x-1][y-2] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+    case Xplant:
+    case Yplant:
+    case Zplayer:
+      Cave[x][y] = Yeater_nB;
+      Cave[x][y-1] = Yeater_n;
+      Next[x][y] = Xblank;
+      Next[x][y-1] = Xeater_n;
+      return;
+
+    default:
+      Next[x][y] = RANDOM(2) ? Xeater_e : Xeater_w;
+      play_element_sound(x, y, SOUND_eater, Xeater_n);
+      return;
+  }
+}
+
+static void Leater_e(int x, int y)
+{
+  if (Cave[x][y+1] == Xdiamond)
+  {
+    Cave[x][y+1] = Ydiamond_blank;
+    Next[x][y+1] = Xblank;
+    play_element_sound(x, y, SOUND_eater_eat, Xeater_e);
+    return;
+  }
+
+  if (Cave[x-1][y] == Xdiamond)
+  {
+    Cave[x-1][y] = Ydiamond_blank;
+    Next[x-1][y] = Xblank;
+    play_element_sound(x, y, SOUND_eater_eat, Xeater_e);
+    return;
+  }
+
+  if (Cave[x][y-1] == Xdiamond)
+  {
+    Cave[x][y-1] = Ydiamond_blank;
+    Next[x][y-1] = Xblank;
+    play_element_sound(x, y, SOUND_eater_eat, Xeater_e);
+    return;
+  }
+
+  if (Cave[x+1][y] == Xdiamond)
+  {
+    Cave[x+1][y] = Ydiamond_blank;
+    Next[x+1][y] = Xblank;
+    play_element_sound(x, y, SOUND_eater_eat, Xeater_e);
+    return;
+  }
+
+  switch (Cave[x+1][y])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Yeater_eB;
+      if (Cave[x+2][y-1] == Xblank)
+       Cave[x+2][y-1] = Xacid_splash_e;
+      if (Cave[x][y-1] == Xblank)
+       Cave[x][y-1] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+    case Xplant:
+    case Yplant:
+    case Zplayer:
+      Cave[x][y] = Yeater_eB;
+      Cave[x+1][y] = Yeater_e;
+      Next[x][y] = Xblank;
+      Next[x+1][y] = Xeater_e;
+      return;
+
+    default:
+      Next[x][y] = RANDOM(2) ? Xeater_n : Xeater_s;
+      play_element_sound(x, y, SOUND_eater, Xeater_e);
+      return;
+  }
+}
+
+static void Leater_s(int x, int y)
+{
+  if (Cave[x-1][y] == Xdiamond)
+  {
+    Cave[x-1][y] = Ydiamond_blank;
+    Next[x-1][y] = Xblank;
+    play_element_sound(x, y, SOUND_eater_eat, Xeater_s);
+    return;
+  }
+
+  if (Cave[x][y-1] == Xdiamond)
+  {
+    Cave[x][y-1] = Ydiamond_blank;
+    Next[x][y-1] = Xblank;
+    play_element_sound(x, y, SOUND_eater_eat, Xeater_s);
+    return;
+  }
+
+  if (Cave[x+1][y] == Xdiamond)
+  {
+    Cave[x+1][y] = Ydiamond_blank;
+    Next[x+1][y] = Xblank;
+    play_element_sound(x, y, SOUND_eater_eat, Xeater_s);
+    return;
+  }
+
+  if (Cave[x][y+1] == Xdiamond)
+  {
+    Cave[x][y+1] = Ydiamond_blank;
+    Next[x][y+1] = Xblank;
+    play_element_sound(x, y, SOUND_eater_eat, Xeater_s);
+    return;
+  }
+
+  switch (Cave[x][y+1])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Yeater_sB;
+      if (Cave[x+1][y] == Xblank)
+       Cave[x+1][y] = Xacid_splash_e;
+      if (Cave[x-1][y] == Xblank)
+       Cave[x-1][y] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+    case Xplant:
+    case Yplant:
+    case Zplayer:
+      Cave[x][y] = Yeater_sB;
+      Cave[x][y+1] = Yeater_s;
+      Next[x][y] = Xblank;
+      Next[x][y+1] = Xeater_s;
+      return;
+
+    default:
+      Next[x][y] = RANDOM(2) ? Xeater_e : Xeater_w;
+      play_element_sound(x, y, SOUND_eater, Xeater_s);
+      return;
+  }
+}
+
+static void Leater_w(int x, int y)
+{
+  if (Cave[x][y-1] == Xdiamond)
+  {
+    Cave[x][y-1] = Ydiamond_blank;
+    Next[x][y-1] = Xblank;
+    play_element_sound(x, y, SOUND_eater_eat, Xeater_w);
+    return;
+  }
+
+  if (Cave[x+1][y] == Xdiamond)
+  {
+    Cave[x+1][y] = Ydiamond_blank;
+    Next[x+1][y] = Xblank;
+    play_element_sound(x, y, SOUND_eater_eat, Xeater_w);
+    return;
+  }
+
+  if (Cave[x][y+1] == Xdiamond)
+  {
+    Cave[x][y+1] = Ydiamond_blank;
+    Next[x][y+1] = Xblank;
+    play_element_sound(x, y, SOUND_eater_eat, Xeater_w);
+    return;
+  }
+
+  if (Cave[x-1][y] == Xdiamond)
+  {
+    Cave[x-1][y] = Ydiamond_blank;
+    Next[x-1][y] = Xblank;
+    play_element_sound(x, y, SOUND_eater_eat, Xeater_w);
+    return;
+  }
+
+  switch (Cave[x-1][y])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Yeater_wB;
+      if (Cave[x][y-1] == Xblank)
+       Cave[x][y-1] = Xacid_splash_e;
+      if (Cave[x-2][y-1] == Xblank)
+       Cave[x-2][y-1] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+    case Xplant:
+    case Yplant:
+    case Zplayer:
+      Cave[x][y] = Yeater_wB;
+      Cave[x-1][y] = Yeater_w;
+      Next[x][y] = Xblank;
+      Next[x-1][y] = Xeater_w;
+      return;
+
+    default:
+      Next[x][y] = RANDOM(2) ? Xeater_n : Xeater_s;
+      play_element_sound(x, y, SOUND_eater, Xeater_w);
+      return;
+  }
+}
+
+static void Lalien(int x, int y)
+{
+  int dx, dy;
+
+  if (lev.wheel_cnt)
+  {
+    dx = lev.wheel_x;
+    dy = lev.wheel_y;
+  }
+  else
+  {
+    set_nearest_player_xy(x, y, &dx, &dy);
+  }
+
+  if (RANDOM(2))
+  {
+    if (y > dy)
+    {
+      switch (Cave[x][y-1])
+      {
+       case Xacid_1:
+       case Xacid_2:
+       case Xacid_3:
+       case Xacid_4:
+       case Xacid_5:
+       case Xacid_6:
+       case Xacid_7:
+       case Xacid_8:
+         Cave[x][y] = Yalien_nB;
+         if (Cave[x+1][y-2] == Xblank)
+           Cave[x+1][y-2] = Xacid_splash_e;
+         if (Cave[x-1][y-2] == Xblank)
+           Cave[x-1][y-2] = Xacid_splash_w;
+         Next[x][y] = Xblank;
+         play_element_sound(x, y, SOUND_acid, Xacid_1);
+         return;
+
+       case Xblank:
+       case Xacid_splash_e:
+       case Xacid_splash_w:
+       case Xplant:
+       case Yplant:
+       case Zplayer:
+         Cave[x][y] = Yalien_nB;
+         Cave[x][y-1] = Yalien_n;
+         Next[x][y] = Xblank;
+         Next[x][y-1] = Xalien_pause;
+         play_element_sound(x, y, SOUND_alien, Xalien);
+         return;
+      }
+    }
+    else if (y < dy)
+    {
+      switch (Cave[x][y+1])
+      {
+       case Xacid_1:
+       case Xacid_2:
+       case Xacid_3:
+       case Xacid_4:
+       case Xacid_5:
+       case Xacid_6:
+       case Xacid_7:
+       case Xacid_8:
+         Cave[x][y] = Yalien_sB;
+         Next[x][y] = Xblank;
+         if (Cave[x+1][y] == Xblank)
+           Cave[x+1][y] = Xacid_splash_e;
+         if (Cave[x-1][y] == Xblank)
+           Cave[x-1][y] = Xacid_splash_w;
+         play_element_sound(x, y, SOUND_acid, Xacid_1);
+         return;
+
+       case Xblank:
+       case Xacid_splash_e:
+       case Xacid_splash_w:
+       case Xplant:
+       case Yplant:
+       case Zplayer:
+         Cave[x][y] = Yalien_sB;
+         Cave[x][y+1] = Yalien_s;
+         Next[x][y] = Xblank;
+         Next[x][y+1] = Xalien_pause;
+         play_element_sound(x, y, SOUND_alien, Xalien);
+         return;
+      }
+    }
+  }
+  else
+  {
+    if (x < dx)
+    {
+      switch (Cave[x+1][y])
+      {
+       case Xacid_1:
+       case Xacid_2:
+       case Xacid_3:
+       case Xacid_4:
+       case Xacid_5:
+       case Xacid_6:
+       case Xacid_7:
+       case Xacid_8:
+         Cave[x][y] = Yalien_eB;
+         if (Cave[x+2][y-1] == Xblank)
+           Cave[x+2][y-1] = Xacid_splash_e;
+         if (Cave[x][y-1] == Xblank)
+           Cave[x][y-1] = Xacid_splash_w;
+         Next[x][y] = Xblank;
+         play_element_sound(x, y, SOUND_acid, Xacid_1);
+         return;
+
+       case Xblank:
+       case Xacid_splash_e:
+       case Xacid_splash_w:
+       case Xplant:
+       case Yplant:
+       case Zplayer:
+         Cave[x][y] = Yalien_eB;
+         Cave[x+1][y] = Yalien_e;
+         Next[x][y] = Xblank;
+         Next[x+1][y] = Xalien_pause;
+         play_element_sound(x, y, SOUND_alien, Xalien);
+         return;
+      }
+    }
+    else if (x > dx)
+    {
+      switch (Cave[x-1][y])
+      {
+       case Xacid_1:
+       case Xacid_2:
+       case Xacid_3:
+       case Xacid_4:
+       case Xacid_5:
+       case Xacid_6:
+       case Xacid_7:
+       case Xacid_8:
+         Cave[x][y] = Yalien_wB;
+         if (Cave[x][y-1] == Xblank)
+           Cave[x][y-1] = Xacid_splash_e;
+         if (Cave[x-2][y-1] == Xblank)
+           Cave[x-2][y-1] = Xacid_splash_w;
+         Next[x][y] = Xblank;
+         play_element_sound(x, y, SOUND_acid, Xacid_1);
+         return;
+
+       case Xblank:
+       case Xacid_splash_e:
+       case Xacid_splash_w:
+       case Xplant:
+       case Yplant:
+       case Zplayer:
+         Cave[x][y] = Yalien_wB;
+         Cave[x-1][y] = Yalien_w;
+         Next[x][y] = Xblank;
+         Next[x-1][y] = Xalien_pause;
+         play_element_sound(x, y, SOUND_alien, Xalien);
+         return;
+      }
+    }
+  }
+}
+
+static void Lalien_pause(int x, int y)
+{
+  Next[x][y] = Xalien;
+}
+
+static void Lbug_n(int x, int y)
+{
+  switch (Cave[x][y-1])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Ybug_nB;
+      if (Cave[x+1][y-2] == Xblank)
+       Cave[x+1][y-2] = Xacid_splash_e;
+      if (Cave[x-1][y-2] == Xblank)
+       Cave[x-1][y-2] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+    case Xplant:
+    case Yplant:
+    case Zplayer:
+      Cave[x][y] = Ybug_nB;
+      Cave[x][y-1] = Ybug_n;
+      Next[x][y] = Xblank;
+      Next[x][y-1] = Xbug_1_n;
+      play_element_sound(x, y, SOUND_bug, Xbug_1_n);
+      return;
+
+    default:
+      Cave[x][y] = Ybug_n_w;
+      Next[x][y] = Xbug_2_w;
+      play_element_sound(x, y, SOUND_bug, Xbug_1_n);
+      return;
+  }
+}
+
+static void Lbug_1_n(int x, int y)
+{
+  if (tab_amoeba[Cave[x][y-1]] ||
+      tab_amoeba[Cave[x+1][y]] ||
+      tab_amoeba[Cave[x][y+1]] ||
+      tab_amoeba[Cave[x-1][y]])
+  {
+    Lboom_bug(x, y);
+
+    return;
+  }
+
+  switch (Cave[x+1][y])
+  {
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+    case Xplant:
+    case Yplant:
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+    case Zplayer:
+      Cave[x][y] = Ybug_n_e;
+      Next[x][y] = Xbug_2_e;
+      play_element_sound(x, y, SOUND_bug, Xbug_1_n);
+      return;
+
+    default:
+      Lbug_n(x, y);
+      return;
+  }
+}
+
+static void Lbug_2_n(int x, int y)
+{
+  if (tab_amoeba[Cave[x][y-1]] ||
+      tab_amoeba[Cave[x+1][y]] ||
+      tab_amoeba[Cave[x][y+1]] ||
+      tab_amoeba[Cave[x-1][y]])
+  {
+    Lboom_bug(x, y);
+
+    return;
+  }
+
+  Lbug_n(x, y);
+}
+
+static void Lbug_e(int x, int y)
+{
+  switch (Cave[x+1][y])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Ybug_eB;
+      if (Cave[x+2][y-1] == Xblank)
+       Cave[x+2][y-1] = Xacid_splash_e;
+      if (Cave[x][y-1] == Xblank)
+       Cave[x][y-1] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+    case Xplant:
+    case Yplant:
+    case Zplayer:
+      Cave[x][y] = Ybug_eB;
+      Cave[x+1][y] = Ybug_e;
+      Next[x][y] = Xblank;
+      Next[x+1][y] = Xbug_1_e;
+      play_element_sound(x, y, SOUND_bug, Xbug_1_e);
+      return;
+
+    default:
+      Cave[x][y] = Ybug_e_n;
+      Next[x][y] = Xbug_2_n;
+      play_element_sound(x, y, SOUND_bug, Xbug_1_e);
+      return;
+  }
+}
+
+static void Lbug_1_e(int x, int y)
+{
+  if (tab_amoeba[Cave[x][y-1]] ||
+      tab_amoeba[Cave[x+1][y]] ||
+      tab_amoeba[Cave[x][y+1]] ||
+      tab_amoeba[Cave[x-1][y]])
+  {
+    Lboom_bug(x, y);
+
+    return;
+  }
+
+  switch (Cave[x][y+1])
+  {
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+    case Xplant:
+    case Yplant:
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+    case Zplayer:
+      Cave[x][y] = Ybug_e_s;
+      Next[x][y] = Xbug_2_s;
+      play_element_sound(x, y, SOUND_bug, Xbug_1_e);
+      return;
+
+    default:
+      Lbug_e(x, y);
+      return;
+  }
+}
+
+static void Lbug_2_e(int x, int y)
+{
+  if (tab_amoeba[Cave[x][y-1]] ||
+      tab_amoeba[Cave[x+1][y]] ||
+      tab_amoeba[Cave[x][y+1]] ||
+      tab_amoeba[Cave[x-1][y]])
+  {
+    Lboom_bug(x, y);
+
+    return;
+  }
+
+  Lbug_e(x, y);
+}
+
+static void Lbug_s(int x, int y)
+{
+  switch (Cave[x][y+1])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Ybug_sB;
+      if (Cave[x+1][y] == Xblank)
+       Cave[x+1][y] = Xacid_splash_e;
+      if (Cave[x-1][y] == Xblank)
+       Cave[x-1][y] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+    case Xplant:
+    case Yplant:
+    case Zplayer:
+      Cave[x][y] = Ybug_sB;
+      Cave[x][y+1] = Ybug_s;
+      Next[x][y] = Xblank;
+      Next[x][y+1] = Xbug_1_s;
+      play_element_sound(x, y, SOUND_bug, Xbug_1_s);
+      return;
+
+    default:
+      Cave[x][y] = Ybug_s_e;
+      Next[x][y] = Xbug_2_e;
+      play_element_sound(x, y, SOUND_bug, Xbug_1_s);
+      return;
+  }
+}
+
+static void Lbug_1_s(int x, int y)
+{
+  if (tab_amoeba[Cave[x][y-1]] ||
+      tab_amoeba[Cave[x+1][y]] ||
+      tab_amoeba[Cave[x][y+1]] ||
+      tab_amoeba[Cave[x-1][y]])
+  {
+    Lboom_bug(x, y);
+
+    return;
+  }
+
+  switch (Cave[x-1][y])
+  {
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+    case Xplant:
+    case Yplant:
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+    case Zplayer:
+      Cave[x][y] = Ybug_s_w;
+      Next[x][y] = Xbug_2_w;
+      play_element_sound(x, y, SOUND_bug, Xbug_1_s);
+      return;
+
+    default:
+      Lbug_s(x, y);
+      return;
+  }
+}
+
+static void Lbug_2_s(int x, int y)
+{
+  if (tab_amoeba[Cave[x][y-1]] ||
+      tab_amoeba[Cave[x+1][y]] ||
+      tab_amoeba[Cave[x][y+1]] ||
+      tab_amoeba[Cave[x-1][y]])
+  {
+    Lboom_bug(x, y);
+
+    return;
+  }
+
+  Lbug_s(x, y);
+}
+
+static void Lbug_w(int x, int y)
+{
+  switch (Cave[x-1][y])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Ybug_wB;
+      if (Cave[x][y-1] == Xblank)
+       Cave[x][y-1] = Xacid_splash_e;
+      if (Cave[x-2][y-1] == Xblank)
+       Cave[x-2][y-1] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+    case Xplant:
+    case Yplant:
+    case Zplayer:
+      Cave[x][y] = Ybug_wB;
+      Cave[x-1][y] = Ybug_w;
+      Next[x][y] = Xblank;
+      Next[x-1][y] = Xbug_1_w;
+      play_element_sound(x, y, SOUND_bug, Xbug_1_w);
+      return;
+
+    default:
+      Cave[x][y] = Ybug_w_s;
+      Next[x][y] = Xbug_2_s;
+      play_element_sound(x, y, SOUND_bug, Xbug_1_w);
+      return;
+  }
+}
+
+static void Lbug_1_w(int x, int y)
+{
+  if (tab_amoeba[Cave[x][y-1]] ||
+      tab_amoeba[Cave[x+1][y]] ||
+      tab_amoeba[Cave[x][y+1]] ||
+      tab_amoeba[Cave[x-1][y]])
+  {
+    Lboom_bug(x, y);
+
+    return;
+  }
+
+  switch (Cave[x][y-1])
+  {
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+    case Xplant:
+    case Yplant:
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+    case Zplayer:
+      Cave[x][y] = Ybug_w_n;
+      Next[x][y] = Xbug_2_n;
+      play_element_sound(x, y, SOUND_bug, Xbug_1_w);
+      return;
+
+    default:
+      Lbug_w(x, y);
+      return;
+  }
+}
+
+static void Lbug_2_w(int x, int y)
+{
+  if (tab_amoeba[Cave[x][y-1]] ||
+      tab_amoeba[Cave[x+1][y]] ||
+      tab_amoeba[Cave[x][y+1]] ||
+      tab_amoeba[Cave[x-1][y]])
+  {
+    Lboom_bug(x, y);
+
+    return;
+  }
+
+  Lbug_w(x, y);
+}
+
+static void Ltank_n(int x, int y)
+{
+  switch (Cave[x][y-1])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Ytank_nB;
+      if (Cave[x+1][y-2] == Xblank)
+       Cave[x+1][y-2] = Xacid_splash_e;
+      if (Cave[x-1][y-2] == Xblank)
+       Cave[x-1][y-2] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+    case Xplant:
+    case Yplant:
+    case Zplayer:
+      Cave[x][y] = Ytank_nB;
+      Cave[x][y-1] = Ytank_n;
+      Next[x][y] = Xblank;
+      Next[x][y-1] = Xtank_1_n;
+      play_element_sound(x, y, SOUND_tank, Xtank_1_n);
+      return;
+
+    default:
+      Cave[x][y] = Ytank_n_e;
+      Next[x][y] = Xtank_2_e;
+      play_element_sound(x, y, SOUND_tank, Xtank_1_n);
+      return;
+  }
+}
+
+static void Ltank_1_n(int x, int y)
+{
+  if (tab_amoeba[Cave[x][y-1]] ||
+      tab_amoeba[Cave[x+1][y]] ||
+      tab_amoeba[Cave[x][y+1]] ||
+      tab_amoeba[Cave[x-1][y]])
+  {
+    Lboom_tank(x, y);
+
+    return;
+  }
+
+  switch (Cave[x-1][y])
+  {
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+    case Xplant:
+    case Yplant:
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+    case Zplayer:
+      Cave[x][y] = Ytank_n_w;
+      Next[x][y] = Xtank_2_w;
+      play_element_sound(x, y, SOUND_tank, Xtank_1_n);
+      return;
+
+    default:
+      Ltank_n(x, y);
+      return;
+  }
+}
+
+static void Ltank_2_n(int x, int y)
+{
+  if (tab_amoeba[Cave[x][y-1]] ||
+      tab_amoeba[Cave[x+1][y]] ||
+      tab_amoeba[Cave[x][y+1]] ||
+      tab_amoeba[Cave[x-1][y]])
+  {
+    Lboom_tank(x, y);
+
+    return;
+  }
+
+  Ltank_n(x, y);
+}
+
+static void Ltank_e(int x, int y)
+{
+  switch (Cave[x+1][y])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Ytank_eB;
+      if (Cave[x+2][y-1] == Xblank)
+       Cave[x+2][y-1] = Xacid_splash_e;
+      if (Cave[x][y-1] == Xblank)
+       Cave[x][y-1] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+    case Xplant:
+    case Yplant:
+    case Zplayer:
+      Cave[x][y] = Ytank_eB;
+      Cave[x+1][y] = Ytank_e;
+      Next[x][y] = Xblank;
+      Next[x+1][y] = Xtank_1_e;
+      play_element_sound(x, y, SOUND_tank, Xtank_1_e);
+      return;
+
+    default:
+      Cave[x][y] = Ytank_e_s;
+      Next[x][y] = Xtank_2_s;
+      play_element_sound(x, y, SOUND_tank, Xtank_1_e);
+      return;
+  }
+}
+
+static void Ltank_1_e(int x, int y)
+{
+  if (tab_amoeba[Cave[x][y-1]] ||
+      tab_amoeba[Cave[x+1][y]] ||
+      tab_amoeba[Cave[x][y+1]] ||
+      tab_amoeba[Cave[x-1][y]])
+  {
+    Lboom_tank(x, y);
+
+    return;
+  }
+
+  switch (Cave[x][y-1])
+  {
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+    case Xplant:
+    case Yplant:
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+    case Zplayer:
+      Cave[x][y] = Ytank_e_n;
+      Next[x][y] = Xtank_2_n;
+      play_element_sound(x, y, SOUND_tank, Xtank_1_e);
+      return;
+
+    default:
+      Ltank_e(x, y);
+      return;
+  }
+}
+
+static void Ltank_2_e(int x, int y)
+{
+  if (tab_amoeba[Cave[x][y-1]] ||
+      tab_amoeba[Cave[x+1][y]] ||
+      tab_amoeba[Cave[x][y+1]] ||
+      tab_amoeba[Cave[x-1][y]])
+  {
+    Lboom_tank(x, y);
+
+    return;
+  }
+
+  Ltank_e(x, y);
+}
+
+static void Ltank_s(int x, int y)
+{
+  switch (Cave[x][y+1])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Ytank_sB;
+      if (Cave[x+1][y] == Xblank)
+       Cave[x+1][y] = Xacid_splash_e;
+      if (Cave[x-1][y] == Xblank)
+       Cave[x-1][y] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+    case Xplant:
+    case Yplant:
+    case Zplayer:
+      Cave[x][y] = Ytank_sB;
+      Cave[x][y+1] = Ytank_s;
+      Next[x][y] = Xblank;
+      Next[x][y+1] = Xtank_1_s;
+      play_element_sound(x, y, SOUND_tank, Xtank_1_s);
+      return;
+
+    default:
+      Cave[x][y] = Ytank_s_w;
+      Next[x][y] = Xtank_2_w;
+      play_element_sound(x, y, SOUND_tank, Xtank_1_s);
+      return;
+  }
+}
+
+static void Ltank_1_s(int x, int y)
+{
+  if (tab_amoeba[Cave[x][y-1]] ||
+      tab_amoeba[Cave[x+1][y]] ||
+      tab_amoeba[Cave[x][y+1]] ||
+      tab_amoeba[Cave[x-1][y]])
+  {
+    Lboom_tank(x, y);
+
+    return;
+  }
+
+  switch (Cave[x+1][y])
+  {
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+    case Xplant:
+    case Yplant:
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+    case Zplayer:
+      Cave[x][y] = Ytank_s_e;
+      Next[x][y] = Xtank_2_e;
+      play_element_sound(x, y, SOUND_tank, Xtank_1_s);
+      return;
+
+    default:
+      Ltank_s(x, y);
+      return;
+  }
+}
+
+static void Ltank_2_s(int x, int y)
+{
+  if (tab_amoeba[Cave[x][y-1]] ||
+      tab_amoeba[Cave[x+1][y]] ||
+      tab_amoeba[Cave[x][y+1]] ||
+      tab_amoeba[Cave[x-1][y]])
+  {
+    Lboom_tank(x, y);
+
+    return;
+  }
+
+  Ltank_s(x, y);
+}
+
+static void Ltank_w(int x, int y)
+{
+  switch (Cave[x-1][y])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Ytank_wB;
+      if (Cave[x][y-1] == Xblank)
+       Cave[x][y-1] = Xacid_splash_e;
+      if (Cave[x-2][y-1] == Xblank)
+       Cave[x-2][y-1] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+    case Xplant:
+    case Yplant:
+    case Zplayer:
+      Cave[x][y] = Ytank_wB;
+      Cave[x-1][y] = Ytank_w;
+      Next[x][y] = Xblank;
+      Next[x-1][y] = Xtank_1_w;
+      play_element_sound(x, y, SOUND_tank, Xtank_1_w);
+      return;
+
+    default:
+      Cave[x][y] = Ytank_w_n;
+      Next[x][y] = Xtank_2_n;
+      play_element_sound(x, y, SOUND_tank, Xtank_1_w);
+      return;
+  }
+}
+
+static void Ltank_1_w(int x, int y)
+{
+  if (tab_amoeba[Cave[x][y-1]] ||
+      tab_amoeba[Cave[x+1][y]] ||
+      tab_amoeba[Cave[x][y+1]] ||
+      tab_amoeba[Cave[x-1][y]])
+  {
+    Lboom_tank(x, y);
+
+    return;
+  }
+
+  switch (Cave[x][y+1])
+  {
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+    case Xplant:
+    case Yplant:
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+    case Zplayer:
+      Cave[x][y] = Ytank_w_s;
+      Next[x][y] = Xtank_2_s;
+      play_element_sound(x, y, SOUND_tank, Xtank_1_w);
+      return;
+
+    default:
+      Ltank_w(x, y);
+      return;
+  }
+}
+
+static void Ltank_2_w(int x, int y)
+{
+  if (tab_amoeba[Cave[x][y-1]] ||
+      tab_amoeba[Cave[x+1][y]] ||
+      tab_amoeba[Cave[x][y+1]] ||
+      tab_amoeba[Cave[x-1][y]])
+  {
+    Lboom_tank(x, y);
+
+    return;
+  }
+
+  Ltank_w(x, y);
+}
+
+static void Lemerald(int x, int y)
+{
+  switch (Cave[x][y+1])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Yemerald_sB;
+      if (Cave[x+1][y] == Xblank)
+       Cave[x+1][y] = Xacid_splash_e;
+      if (Cave[x-1][y] == Xblank)
+       Cave[x-1][y] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+      Cave[x][y] = Yemerald_sB;
+      Cave[x][y+1] = Yemerald_s;
+      Next[x][y] = Xblank;
+      Next[x][y+1] = Xemerald_fall;
+      return;
+
+    case Xspring:
+    case Xspring_pause:
+    case Xspring_e:
+    case Xspring_w:
+    case Xandroid:
+    case Xandroid_1_n:
+    case Xandroid_2_n:
+    case Xandroid_1_e:
+    case Xandroid_2_e:
+    case Xandroid_1_s:
+    case Xandroid_2_s:
+    case Xandroid_1_w:
+    case Xandroid_2_w:
+    case Xstone:
+    case Xstone_pause:
+    case Xemerald:
+    case Xemerald_pause:
+    case Xdiamond:
+    case Xdiamond_pause:
+    case Xbomb:
+    case Xbomb_pause:
+    case Xballoon:
+    case Xacid_ne:
+    case Xacid_nw:
+    case Xball_1:
+    case Xball_2:
+    case Xnut:
+    case Xnut_pause:
+    case Xslidewall_ns:
+    case Xslidewall_ew:
+    case Xwonderwall:
+    case Xkey_1:
+    case Xkey_2:
+    case Xkey_3:
+    case Xkey_4:
+    case Xkey_5:
+    case Xkey_6:
+    case Xkey_7:
+    case Xkey_8:
+    case Xbumper:
+    case Xswitch:
+    case Xsteel_1:
+    case Xsteel_2:
+    case Xsteel_3:
+    case Xsteel_4:
+    case Xwall_1:
+    case Xwall_2:
+    case Xwall_3:
+    case Xwall_4:
+    case Xroundwall_1:
+    case Xroundwall_2:
+    case Xroundwall_3:
+    case Xroundwall_4:
+      if (RANDOM(2))
+      {
+       if (tab_blank[Cave[x+1][y]] && tab_acid[Cave[x+1][y+1]])
+       {
+         Cave[x][y] = Yemerald_eB;
+         Cave[x+1][y] = Yemerald_e;
+         Next[x][y] = Xblank;
+         Next[x+1][y] = Xemerald_pause;
+         return;
+       }
+
+       if (tab_blank[Cave[x-1][y]] && tab_acid[Cave[x-1][y+1]])
+       {
+         Cave[x][y] = Yemerald_wB;
+         Cave[x-1][y] = Yemerald_w;
+         Next[x][y] = Xblank;
+         Next[x-1][y] = Xemerald_pause;
+         return;
+       }
+      }
+      else
+      {
+       if (tab_blank[Cave[x-1][y]] && tab_acid[Cave[x-1][y+1]])
+       {
+         Cave[x][y] = Yemerald_wB;
+         Cave[x-1][y] = Yemerald_w;
+         Next[x][y] = Xblank;
+         Next[x-1][y] = Xemerald_pause;
+         return;
+       }
+
+       if (tab_blank[Cave[x+1][y]] && tab_acid[Cave[x+1][y+1]])
+       {
+         Cave[x][y] = Yemerald_eB;
+         Cave[x+1][y] = Yemerald_e;
+         Next[x][y] = Xblank;
+         Next[x+1][y] = Xemerald_pause;
+         return;
+       }
+      }
+
+    default:
+      if (++lev.shine_cnt > 50)
+      {
+       lev.shine_cnt = RANDOM(8);
+       Cave[x][y] = Xemerald_shine;
+      }
+
+      return;
+  }
+}
+
+static void Lemerald_pause(int x, int y)
+{
+  switch (Cave[x][y+1])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Yemerald_sB;
+      if (Cave[x+1][y] == Xblank)
+       Cave[x+1][y] = Xacid_splash_e;
+      if (Cave[x-1][y] == Xblank)
+       Cave[x-1][y] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+      Cave[x][y] = Yemerald_sB;
+      Cave[x][y+1] = Yemerald_s;
+      Next[x][y] = Xblank;
+      Next[x][y+1] = Xemerald_fall;
+      return;
+
+    default:
+      Cave[x][y] = Xemerald;
+      Next[x][y] = Xemerald;
+      return;
+  }
+}
+
+static void Lemerald_fall(int x, int y)
+{
+  switch (Cave[x][y+1])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Yemerald_sB;
+      if (Cave[x+1][y] == Xblank)
+       Cave[x+1][y] = Xacid_splash_e;
+      if (Cave[x-1][y] == Xblank)
+       Cave[x-1][y] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+    case Zplayer:
+      Cave[x][y] = Yemerald_sB;
+      Cave[x][y+1] = Yemerald_s;
+      Next[x][y] = Xblank;
+      Next[x][y+1] = Xemerald_fall;
+      return;
+
+    case Xwonderwall:
+      if (lev.wonderwall_time)
+      {
+       lev.wonderwall_state = 1;
+       Cave[x][y] = Yemerald_sB;
+       if (tab_blank[Cave[x][y+2]])
+       {
+         Cave[x][y+2] = Ydiamond_s;
+         Next[x][y+2] = Xdiamond_fall;
+       }
+
+       Next[x][y] = Xblank;
+       play_element_sound(x, y, SOUND_wonderfall, Xwonderwall);
+       return;
+      }
+
+    default:
+      Cave[x][y] = Xemerald;
+      Next[x][y] = Xemerald;
+      play_element_sound(x, y, SOUND_diamond, Xemerald);
+      return;
+  }
+}
+
+static void Ldiamond(int x, int y)
+{
+  switch (Cave[x][y+1])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Ydiamond_sB;
+      if (Cave[x+1][y] == Xblank)
+       Cave[x+1][y] = Xacid_splash_e;
+      if (Cave[x-1][y] == Xblank)
+       Cave[x-1][y] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+      Cave[x][y] = Ydiamond_sB;
+      Cave[x][y+1] = Ydiamond_s;
+      Next[x][y] = Xblank;
+      Next[x][y+1] = Xdiamond_fall;
+      return;
+
+    case Xspring:
+    case Xspring_pause:
+    case Xspring_e:
+    case Xspring_w:
+    case Xandroid:
+    case Xandroid_1_n:
+    case Xandroid_2_n:
+    case Xandroid_1_e:
+    case Xandroid_2_e:
+    case Xandroid_1_s:
+    case Xandroid_2_s:
+    case Xandroid_1_w:
+    case Xandroid_2_w:
+    case Xstone:
+    case Xstone_pause:
+    case Xemerald:
+    case Xemerald_pause:
+    case Xdiamond:
+    case Xdiamond_pause:
+    case Xbomb:
+    case Xbomb_pause:
+    case Xballoon:
+    case Xacid_ne:
+    case Xacid_nw:
+    case Xball_1:
+    case Xball_2:
+    case Xnut:
+    case Xnut_pause:
+    case Xslidewall_ns:
+    case Xslidewall_ew:
+    case Xwonderwall:
+    case Xkey_1:
+    case Xkey_2:
+    case Xkey_3:
+    case Xkey_4:
+    case Xkey_5:
+    case Xkey_6:
+    case Xkey_7:
+    case Xkey_8:
+    case Xbumper:
+    case Xswitch:
+    case Xsteel_1:
+    case Xsteel_2:
+    case Xsteel_3:
+    case Xsteel_4:
+    case Xwall_1:
+    case Xwall_2:
+    case Xwall_3:
+    case Xwall_4:
+    case Xroundwall_1:
+    case Xroundwall_2:
+    case Xroundwall_3:
+    case Xroundwall_4:
+      if (RANDOM(2))
+      {
+       if (tab_blank[Cave[x+1][y]] && tab_acid[Cave[x+1][y+1]])
+       {
+         Cave[x][y] = Ydiamond_eB;
+         Cave[x+1][y] = Ydiamond_e;
+         Next[x][y] = Xblank;
+         Next[x+1][y] = Xdiamond_pause;
+         return;
+       }
+
+       if (tab_blank[Cave[x-1][y]] && tab_acid[Cave[x-1][y+1]])
+       {
+         Cave[x][y] = Ydiamond_wB;
+         Cave[x-1][y] = Ydiamond_w;
+         Next[x][y] = Xblank;
+         Next[x-1][y] = Xdiamond_pause;
+         return;
+       }
+      }
+      else
+      {
+       if (tab_blank[Cave[x-1][y]] && tab_acid[Cave[x-1][y+1]])
+       {
+         Cave[x][y] = Ydiamond_wB;
+         Cave[x-1][y] = Ydiamond_w;
+         Next[x][y] = Xblank;
+         Next[x-1][y] = Xdiamond_pause;
+         return;
+       }
+
+       if (tab_blank[Cave[x+1][y]] && tab_acid[Cave[x+1][y+1]])
+       {
+         Cave[x][y] = Ydiamond_eB;
+         Cave[x+1][y] = Ydiamond_e;
+         Next[x][y] = Xblank;
+         Next[x+1][y] = Xdiamond_pause;
+         return;
+       }
+      }
+
+    default:
+      if (++lev.shine_cnt > 50)
+      {
+       lev.shine_cnt = RANDOM(8);
+       Cave[x][y] = Xdiamond_shine;
+      }
+
+      return;
+  }
+}
+
+static void Ldiamond_pause(int x, int y)
+{
+  switch (Cave[x][y+1])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Ydiamond_sB;
+      if (Cave[x+1][y] == Xblank)
+       Cave[x+1][y] = Xacid_splash_e;
+      if (Cave[x-1][y] == Xblank)
+       Cave[x-1][y] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+      Cave[x][y] = Ydiamond_sB;
+      Cave[x][y+1] = Ydiamond_s;
+      Next[x][y] = Xblank;
+      Next[x][y+1] = Xdiamond_fall;
+      return;
+
+    default:
+      Cave[x][y] = Xdiamond;
+      Next[x][y] = Xdiamond;
+      return;
+  }
+}
+
+static void Ldiamond_fall(int x, int y)
+{
+  switch (Cave[x][y+1])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Ydiamond_sB;
+      if (Cave[x+1][y] == Xblank)
+       Cave[x+1][y] = Xacid_splash_e;
+      if (Cave[x-1][y] == Xblank)
+       Cave[x-1][y] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+    case Zplayer:
+      Cave[x][y] = Ydiamond_sB;
+      Cave[x][y+1] = Ydiamond_s;
+      Next[x][y] = Xblank;
+      Next[x][y+1] = Xdiamond_fall;
+      return;
+
+    case Xwonderwall:
+      if (lev.wonderwall_time)
+      {
+       lev.wonderwall_state = 1;
+       Cave[x][y] = Ydiamond_sB;
+       if (tab_blank[Cave[x][y+2]])
+       {
+         Cave[x][y+2] = Ystone_s;
+         Next[x][y+2] = Xstone_fall;
+       }
+
+       Next[x][y] = Xblank;
+       play_element_sound(x, y, SOUND_wonderfall, Xwonderwall);
+       return;
+      }
+
+    default:
+      Cave[x][y] = Xdiamond;
+      Next[x][y] = Xdiamond;
+      play_element_sound(x, y, SOUND_diamond, Xdiamond);
+      return;
+  }
+}
+
+static void Lstone(int x, int y)
 {
-       register unsigned int x = 0;
-       register unsigned int y = 1;
-       register unsigned long random = Random;
-       register unsigned short *cave_cache = Cave[y]; /* might be a win */
-       unsigned long score = 0;
-
-       unsigned int temp = 0;  /* initialized to make compilers happy */
-       unsigned int left = screen_x / TILEX; /* only needed for sounds */
-       unsigned int top = screen_y / TILEY;
-       unsigned int dx; /* only needed to find closest player */
-       unsigned int dy;
-
-#define RANDOM (random = random << 31 | random >> 1)
-#define PLAY(sample) { if((unsigned int)(y - top) <= 12 && (unsigned int)(x - left) <= 20) play[sample] = 1; }
-
-loop:
-       switch(cave_cache[++x]) {
-       default:
-               goto loop;
-/* ---------------------------------------------------------------------- */
-#ifdef BAD_ROLL
-       case Xstone_force_e:
-               switch(Cave[y][x+1]) {
-               case ZBORDER:
-               case Znormal:
-               case Zdynamite:
-               case Xboom_bug:
-               case Xboom_bomb:
-               case Xboom_android:
-               case Xboom_1:
-               case Zplayer:
-                       Cave[y][x] = Xstone;
-                       Next[y][x] = Xstone;
-                       goto loop;
-               default:
-                       Cave[y][x] = Ystone_eB;
-                       Cave[y][x+1] = Ystone_e;
-                       Next[y][x] = Xblank;
-                       Next[y][x+1] = Xstone_pause;
-                       goto loop;
-               }
-       case Xstone_force_w:
-               switch(Cave[y][x-1]) {
-               case ZBORDER:
-               case Znormal:
-               case Zdynamite:
-               case Xboom_bug:
-               case Xboom_bomb:
-               case Xboom_android:
-               case Xboom_1:
-               case Zplayer:
-                       Cave[y][x] = Xstone;
-                       Next[y][x] = Xstone;
-                       goto loop;
-               default:
-                       Cave[y][x] = Ystone_wB;
-                       Cave[y][x-1] = Ystone_w;
-                       Next[y][x] = Xblank;
-                       Next[y][x-1] = Xstone_pause;
-                       goto loop;
-               }
-       case Xnut_force_e:
-               switch(Cave[y][x+1]) {
-               case ZBORDER:
-               case Znormal:
-               case Zdynamite:
-               case Xboom_bug:
-               case Xboom_bomb:
-               case Xboom_android:
-               case Xboom_1:
-               case Zplayer:
-                       Cave[y][x] = Xnut;
-                       Next[y][x] = Xnut;
-                       goto loop;
-               default:
-                       Cave[y][x] = Ynut_eB;
-                       Cave[y][x+1] = Ynut_e;
-                       Next[y][x] = Xblank;
-                       Next[y][x+1] = Xnut_pause;
-                       goto loop;
-               }
-       case Xnut_force_w:
-               switch(Cave[y][x-1]) {
-               case ZBORDER:
-               case Znormal:
-               case Zdynamite:
-               case Xboom_bug:
-               case Xboom_bomb:
-               case Xboom_android:
-               case Xboom_1:
-               case Zplayer:
-                       Cave[y][x] = Xnut;
-                       Next[y][x] = Xnut;
-                       goto loop;
-               default:
-                       Cave[y][x] = Ynut_wB;
-                       Cave[y][x-1] = Ynut_w;
-                       Next[y][x] = Xblank;
-                       Next[y][x-1] = Xnut_pause;
-                       goto loop;
-               }
-       case Xspring_force_e:
-               switch(Cave[y][x+1]) {
-               case ZBORDER:
-               case Znormal:
-               case Zdynamite:
-               case Xboom_bug:
-               case Xboom_bomb:
-               case Xboom_android:
-               case Xboom_1:
-               case Zplayer:
-                       Cave[y][x] = Xspring;
-                       Next[y][x] = Xspring;
-                       goto loop;
-               default:
-                       Cave[y][x] = Yspring_eB;
-                       Cave[y][x+1] = Yspring_e;
-                       Next[y][x] = Xblank;
-#ifdef BAD_SPRING
-                       Next[y][x+1] = Xspring_e;
-#else
-                       Next[y][x+1] = Xspring_pause;
+  switch (Cave[x][y+1])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Ystone_sB;
+      if (Cave[x+1][y] == Xblank)
+       Cave[x+1][y] = Xacid_splash_e;
+      if (Cave[x-1][y] == Xblank)
+       Cave[x-1][y] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+    case Xplant:
+    case Yplant:
+#ifdef EM_ENGINE_USE_ADDITIONAL_ELEMENTS
+    case Xfake_acid_1:
+    case Xfake_acid_2:
+    case Xfake_acid_3:
+    case Xfake_acid_4:
+    case Xfake_acid_5:
+    case Xfake_acid_6:
+    case Xfake_acid_7:
+    case Xfake_acid_8:
 #endif
-                       goto loop;
-               }
-       case Xspring_force_w:
-               switch(Cave[y][x-1]) {
-               case ZBORDER:
-               case Znormal:
-               case Zdynamite:
-               case Xboom_bug:
-               case Xboom_bomb:
-               case Xboom_android:
-               case Xboom_1:
-               case Zplayer:
-                       Cave[y][x] = Xspring;
-                       Next[y][x] = Xspring;
-                       goto loop;
-               default:
-                       Cave[y][x] = Yspring_wB;
-                       Cave[y][x-1] = Yspring_w;
-                       Next[y][x] = Xblank;
-#ifdef BAD_SPRING
-                       Next[y][x-1] = Xspring_w;
-#else
-                       Next[y][x-1] = Xspring_pause;
+      Cave[x][y] = Ystone_sB;
+      Cave[x][y+1] = Ystone_s;
+      Next[x][y] = Xblank;
+      Next[x][y+1] = Xstone_fall;
+      return;
+
+    case Xsand:
+      Cave[x][y] = Xsand_stonein_1;
+      Cave[x][y+1] = Xsand_sandstone_1;
+      Next[x][y] = Xsand_stonein_2;
+      Next[x][y+1] = Xsand_sandstone_2;
+      return;
+
+    case Xspring:
+    case Xspring_pause:
+    case Xspring_e:
+    case Xspring_w:
+    case Xandroid:
+    case Xandroid_1_n:
+    case Xandroid_2_n:
+    case Xandroid_1_e:
+    case Xandroid_2_e:
+    case Xandroid_1_s:
+    case Xandroid_2_s:
+    case Xandroid_1_w:
+    case Xandroid_2_w:
+    case Xstone:
+    case Xstone_pause:
+    case Xemerald:
+    case Xemerald_pause:
+    case Xdiamond:
+    case Xdiamond_pause:
+    case Xbomb:
+    case Xbomb_pause:
+    case Xballoon:
+    case Xacid_ne:
+    case Xacid_nw:
+    case Xball_1:
+    case Xball_2:
+    case Xnut:
+    case Xnut_pause:
+    case Xslidewall_ns:
+    case Xslidewall_ew:
+    case Xkey_1:
+    case Xkey_2:
+    case Xkey_3:
+    case Xkey_4:
+    case Xkey_5:
+    case Xkey_6:
+    case Xkey_7:
+    case Xkey_8:
+    case Xbumper:
+    case Xswitch:
+    case Xlenses:
+    case Xmagnify:
+    case Xroundwall_1:
+    case Xroundwall_2:
+    case Xroundwall_3:
+    case Xroundwall_4:
+      if (RANDOM(2))
+      {
+       if (tab_blank[Cave[x+1][y]] && tab_acid[Cave[x+1][y+1]])
+       {
+         Cave[x][y] = Ystone_eB;
+         Cave[x+1][y] = Ystone_e;
+         Next[x][y] = Xblank;
+         Next[x+1][y] = Xstone_pause;
+         return;
+       }
+
+       if (tab_blank[Cave[x-1][y]] && tab_acid[Cave[x-1][y+1]])
+       {
+         Cave[x][y] = Ystone_wB;
+         Cave[x-1][y] = Ystone_w;
+         Next[x][y] = Xblank;
+         Next[x-1][y] = Xstone_pause;
+         return;
+       }
+      }
+      else
+      {
+       if (tab_blank[Cave[x-1][y]] && tab_acid[Cave[x-1][y+1]])
+       {
+         Cave[x][y] = Ystone_wB;
+         Cave[x-1][y] = Ystone_w;
+         Next[x][y] = Xblank;
+         Next[x-1][y] = Xstone_pause;
+         return;
+       }
+
+       if (tab_blank[Cave[x+1][y]] && tab_acid[Cave[x+1][y+1]])
+       {
+         Cave[x][y] = Ystone_eB;
+         Cave[x+1][y] = Ystone_e;
+         Next[x][y] = Xblank;
+         Next[x+1][y] = Xstone_pause;
+         return;
+       }
+      }
+  }
+}
+
+static void Lstone_pause(int x, int y)
+{
+  switch (Cave[x][y+1])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Ystone_sB;
+      if (Cave[x+1][y] == Xblank)
+       Cave[x+1][y] = Xacid_splash_e;
+      if (Cave[x-1][y] == Xblank)
+       Cave[x-1][y] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+#ifdef EM_ENGINE_USE_ADDITIONAL_ELEMENTS
+    case Xfake_acid_1:
+    case Xfake_acid_2:
+    case Xfake_acid_3:
+    case Xfake_acid_4:
+    case Xfake_acid_5:
+    case Xfake_acid_6:
+    case Xfake_acid_7:
+    case Xfake_acid_8:
 #endif
-                       goto loop;
-               }
-       case Xemerald_force_e:
-               switch(Cave[y][x+1]) {
-               case ZBORDER:
-               case Znormal:
-               case Zdynamite:
-               case Xboom_bug:
-               case Xboom_bomb:
-               case Xboom_android:
-               case Xboom_1:
-               case Zplayer:
-                       Cave[y][x] = Xemerald;
-                       Next[y][x] = Xemerald;
-                       goto loop;
-               default:
-                       Cave[y][x] = Yemerald_eB;
-                       Cave[y][x+1] = Yemerald_e;
-                       Next[y][x] = Xblank;
-                       Next[y][x+1] = Xemerald_pause;
-                       goto loop;
-               }
-       case Xemerald_force_w:
-               switch(Cave[y][x-1]) {
-               case ZBORDER:
-               case Znormal:
-               case Zdynamite:
-               case Xboom_bug:
-               case Xboom_bomb:
-               case Xboom_android:
-               case Xboom_1:
-               case Zplayer:
-                       Cave[y][x] = Xemerald;
-                       Next[y][x] = Xemerald;
-                       goto loop;
-               default:
-                       Cave[y][x] = Yemerald_wB;
-                       Cave[y][x-1] = Yemerald_w;
-                       Next[y][x] = Xblank;
-                       Next[y][x-1] = Xemerald_pause;
-                       goto loop;
-               }
-       case Xdiamond_force_e:
-               switch(Cave[y][x+1]) {
-               case ZBORDER:
-               case Znormal:
-               case Zdynamite:
-               case Xboom_bug:
-               case Xboom_bomb:
-               case Xboom_android:
-               case Xboom_1:
-               case Zplayer:
-                       Cave[y][x] = Xdiamond;
-                       Next[y][x] = Xdiamond;
-                       goto loop;
-               default:
-                       Cave[y][x] = Ydiamond_eB;
-                       Cave[y][x+1] = Ydiamond_e;
-                       Next[y][x] = Xblank;
-                       Next[y][x+1] = Xdiamond_pause;
-                       goto loop;
-               }
-       case Xdiamond_force_w:
-               switch(Cave[y][x-1]) {
-               case ZBORDER:
-               case Znormal:
-               case Zdynamite:
-               case Xboom_bug:
-               case Xboom_bomb:
-               case Xboom_android:
-               case Xboom_1:
-               case Zplayer:
-                       Cave[y][x] = Xdiamond;
-                       Next[y][x] = Xdiamond;
-                       goto loop;
-               default:
-                       Cave[y][x] = Ydiamond_wB;
-                       Cave[y][x-1] = Ydiamond_w;
-                       Next[y][x] = Xblank;
-                       Next[y][x-1] = Xdiamond_pause;
-                       goto loop;
-               }
-       case Xbomb_force_e:
-               switch(Cave[y][x+1]) {
-               case ZBORDER:
-               case Znormal:
-               case Zdynamite:
-               case Xboom_bug:
-               case Xboom_bomb:
-               case Xboom_android:
-               case Xboom_1:
-               case Zplayer:
-                       Cave[y][x] = Xbomb;
-                       Next[y][x] = Xbomb;
-                       goto loop;
-               default:
-                       Cave[y][x] = Ybomb_eB;
-                       Cave[y][x+1] = Ybomb_e;
-                       Next[y][x] = Xblank;
-                       Next[y][x+1] = Xbomb_pause;
-                       goto loop;
-               }
-       case Xbomb_force_w:
-               switch(Cave[y][x-1]) {
-               case ZBORDER:
-               case Znormal:
-               case Zdynamite:
-               case Xboom_bug:
-               case Xboom_bomb:
-               case Xboom_android:
-               case Xboom_1:
-               case Zplayer:
-                       Cave[y][x] = Xbomb;
-                       Next[y][x] = Xbomb;
-                       goto loop;
-               default:
-                       Cave[y][x] = Ybomb_wB;
-                       Cave[y][x-1] = Ybomb_w;
-                       Next[y][x] = Xblank;
-                       Next[y][x-1] = Xbomb_pause;
-                       goto loop;
-               }
+      Cave[x][y] = Ystone_sB;
+      Cave[x][y+1] = Ystone_s;
+      Next[x][y] = Xblank;
+      Next[x][y+1] = Xstone_fall;
+      return;
+
+    default:
+      Cave[x][y] = Xstone;
+      Next[x][y] = Xstone;
+      return;
+  }
+}
+
+static void Lstone_fall(int x, int y)
+{
+  switch (Cave[x][y+1])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Ystone_sB;
+      if (Cave[x+1][y] == Xblank)
+       Cave[x+1][y] = Xacid_splash_e;
+      if (Cave[x-1][y] == Xblank)
+       Cave[x-1][y] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+    case Zplayer:
+#ifdef EM_ENGINE_USE_ADDITIONAL_ELEMENTS
+    case Xfake_acid_1:
+    case Xfake_acid_2:
+    case Xfake_acid_3:
+    case Xfake_acid_4:
+    case Xfake_acid_5:
+    case Xfake_acid_6:
+    case Xfake_acid_7:
+    case Xfake_acid_8:
 #endif
-/* ---------------------------------------------------------------------- */
-       case Xstone:
-               switch(Cave[y+1][x]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Ystone_sB;
-                       if(Cave[y][x+1] == Xblank) Cave[y][x+1] = Yacid_splash_eB;
-                       if(Cave[y][x-1] == Xblank) Cave[y][x-1] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-               case Xplant:
-               case Yplant:
-                       Cave[y][x] = Ystone_sB;
-                       Cave[y+1][x] = Ystone_s;
-                       Next[y][x] = Xblank;
-                       Next[y+1][x] = Xstone_fall;
-                       goto loop;
-               case Xsand:
-                       Cave[y][x] = Xsand_stonein_1;
-                       Cave[y+1][x] = Xsand_sandstone_1;
-                       Next[y][x] = Xsand_stonein_2;
-                       Next[y+1][x] = Xsand_sandstone_2;
-                       goto loop;
-               case Xspring:
-               case Xspring_pause:
-               case Xspring_e:
-               case Xspring_w:
-               case Xandroid:
-               case Xandroid_1_n:
-               case Xandroid_2_n:
-               case Xandroid_1_e:
-               case Xandroid_2_e:
-               case Xandroid_1_s:
-               case Xandroid_2_s:
-               case Xandroid_1_w:
-               case Xandroid_2_w:
-               case Xstone:
-               case Xstone_pause:
-               case Xemerald:
-               case Xemerald_pause:
-               case Xdiamond:
-               case Xdiamond_pause:
-               case Xbomb:
-               case Xbomb_pause:
-               case Xballoon:
-               case Xacid_ne:
-               case Xacid_nw:
-               case Xball_1:
-               case Xball_2:
-               case Xnut:
-               case Xnut_pause:
-               case Xgrow_ns:
-               case Xgrow_ew:
-               case Xkey_1:
-               case Xkey_2:
-               case Xkey_3:
-               case Xkey_4:
-               case Xkey_5:
-               case Xkey_6:
-               case Xkey_7:
-               case Xkey_8:
-               case Xbumper:
-               case Xswitch:
-               case Xlenses:
-               case Xmagnify:
-               case Xround_wall_1:
-               case Xround_wall_2:
-               case Xround_wall_3:
-               case Xround_wall_4:
-                       if(RANDOM & 1) {
-                               if(tab_blank[Cave[y][x+1]] && tab_acid[Cave[y+1][x+1]]) {
-                                       Cave[y][x] = Ystone_eB;
-                                       Cave[y][x+1] = Ystone_e;
-                                       Next[y][x] = Xblank;
-                                       Next[y][x+1] = Xstone_pause;
-                                       goto loop;
-                               }
-                               if(tab_blank[Cave[y][x-1]] && tab_acid[Cave[y+1][x-1]]) {
-                                       Cave[y][x] = Ystone_wB;
-                                       Cave[y][x-1] = Ystone_w;
-                                       Next[y][x] = Xblank;
-                                       Next[y][x-1] = Xstone_pause;
-                                       goto loop;
-                               }
-                       } else {
-                               if(tab_blank[Cave[y][x-1]] && tab_acid[Cave[y+1][x-1]]) {
-                                       Cave[y][x] = Ystone_wB;
-                                       Cave[y][x-1] = Ystone_w;
-                                       Next[y][x] = Xblank;
-                                       Next[y][x-1] = Xstone_pause;
-                                       goto loop;
-                               }
-                               if(tab_blank[Cave[y][x+1]] && tab_acid[Cave[y+1][x+1]]) {
-                                       Cave[y][x] = Ystone_eB;
-                                       Cave[y][x+1] = Ystone_e;
-                                       Next[y][x] = Xblank;
-                                       Next[y][x+1] = Xstone_pause;
-                                       goto loop;
-                               }
-                       }
-               default:
-                       goto loop;
-               }
-/* ---------------------------------------------------------------------- */
-       case Xstone_pause:
-               switch(Cave[y+1][x]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Ystone_sB;
-                       if(Cave[y][x+1] == Xblank) Cave[y][x+1] = Yacid_splash_eB;
-                       if(Cave[y][x-1] == Xblank) Cave[y][x-1] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-                       Cave[y][x] = Ystone_sB;
-                       Cave[y+1][x] = Ystone_s;
-                       Next[y][x] = Xblank;
-                       Next[y+1][x] = Xstone_fall;
-                       goto loop;
-               default:
-                       Cave[y][x] = Xstone;
-                       Next[y][x] = Xstone;
-                       goto loop;
-               }
-/* ---------------------------------------------------------------------- */
-       case Xstone_fall:
-               switch(Cave[y+1][x]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Ystone_sB;
-                       if(Cave[y][x+1] == Xblank) Cave[y][x+1] = Yacid_splash_eB;
-                       if(Cave[y][x-1] == Xblank) Cave[y][x-1] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-               case Zplayer:
-                       Cave[y][x] = Ystone_sB;
-                       Cave[y+1][x] = Ystone_s;
-                       Next[y][x] = Xblank;
-                       Next[y+1][x] = Xstone_fall;
-                       goto loop;
-               case Xnut:
-               case Xnut_pause:
-                       Cave[y+1][x] = Yemerald_stone;
-                       Next[y][x] = Xstone;
-                       Next[y+1][x] = Xemerald;
-                       play[SAMPLE_crack] = 1;
-                       score += lev.nut_score;
-                       goto loop;
-               case Xbug_n:
-               case Xbug_e:
-               case Xbug_s:
-               case Xbug_w:
-               case Xbug_gon:
-               case Xbug_goe:
-               case Xbug_gos:
-               case Xbug_gow:
-                       Cave[y][x] = Ystone_sB;
-                       Cave[y+1][x] = Ybug_stone;
-                       Next[y+1][x] = Znormal;
-                       Boom[y][x-1] = Xemerald;
-                       Boom[y][x] = Xemerald;
-                       Boom[y][x+1] = Xemerald;
-                       Boom[y+1][x-1] = Xemerald;
-                       Boom[y+1][x] = Xdiamond;
-                       Boom[y+1][x+1] = Xemerald;
-                       Boom[y+2][x-1] = Xemerald;
-                       Boom[y+2][x] = Xemerald;
-                       Boom[y+2][x+1] = Xemerald;
-                       score += lev.bug_score;
-                       goto loop;
-               case Xtank_n:
-               case Xtank_e:
-               case Xtank_s:
-               case Xtank_w:
-               case Xtank_gon:
-               case Xtank_goe:
-               case Xtank_gos:
-               case Xtank_gow:
-                       Cave[y][x] = Ystone_sB;
-                       Cave[y+1][x] = Ytank_stone;
-                       Next[y+1][x] = Znormal;
-                       Boom[y][x-1] = Xblank;
-                       Boom[y][x] = Xblank;
-                       Boom[y][x+1] = Xblank;
-                       Boom[y+1][x-1] = Xblank;
-                       Boom[y+1][x] = Xblank;
-                       Boom[y+1][x+1] = Xblank;
-                       Boom[y+2][x-1] = Xblank;
-                       Boom[y+2][x] = Xblank;
-                       Boom[y+2][x+1] = Xblank;
-                       score += lev.tank_score;
-                       goto loop;
-               case Xspring:
-                       if(RANDOM & 1) {
-                               switch(Cave[y+1][x+1]) {
-                               case Xblank:
-                               case Yacid_splash_eB:
-                               case Yacid_splash_wB:
-                               case Xalien:
-                               case Xalien_pause:
-                                       Cave[y+1][x] = Xspring_e; break;
-                               default:
-                                       Cave[y+1][x] = Xspring_w; break;
-                               }
-                       } else {
-                               switch(Cave[y+1][x-1]) {
-                               case Xblank:
-                               case Yacid_splash_eB:
-                               case Yacid_splash_wB:
-                               case Xalien:
-                               case Xalien_pause:
-                                       Cave[y+1][x] = Xspring_w; break;
-                               default:
-                                       Cave[y+1][x] = Xspring_e; break;
-                               }
-                       }
-                       Next[y][x] = Xstone;
-                       goto loop;
-               case Xeater_n:
-               case Xeater_e:
-               case Xeater_s:
-               case Xeater_w:
-                       Cave[y][x] = Ystone_sB;
-                       Cave[y+1][x] = Yeater_stone;
-                       Next[y+1][x] = Znormal;
-                       Boom[y][x-1] = lev.eater_array[lev.eater_pos][0];
-                       Boom[y][x] = lev.eater_array[lev.eater_pos][1];
-                       Boom[y][x+1] = lev.eater_array[lev.eater_pos][2];
-                       Boom[y+1][x-1] = lev.eater_array[lev.eater_pos][3];
-                       Boom[y+1][x] = lev.eater_array[lev.eater_pos][4];
-                       Boom[y+1][x+1] = lev.eater_array[lev.eater_pos][5];
-                       Boom[y+2][x-1] = lev.eater_array[lev.eater_pos][6];
-                       Boom[y+2][x] = lev.eater_array[lev.eater_pos][7];
-                       Boom[y+2][x+1] = lev.eater_array[lev.eater_pos][8];
-                       lev.eater_pos = (lev.eater_pos + 1) & 7;
-                       score += lev.eater_score;
-                       goto loop;
-               case Xalien:
-               case Xalien_pause:
-                       Cave[y][x] = Ystone_sB;
-                       Cave[y+1][x] = Yalien_stone;
-                       Next[y+1][x] = Znormal;
-                       Boom[y][x-1] = Xblank;
-                       Boom[y][x] = Xblank;
-                       Boom[y][x+1] = Xblank;
-                       Boom[y+1][x-1] = Xblank;
-                       Boom[y+1][x] = Xblank;
-                       Boom[y+1][x+1] = Xblank;
-                       Boom[y+2][x-1] = Xblank;
-                       Boom[y+2][x] = Xblank;
-                       Boom[y+2][x+1] = Xblank;
-                       score += lev.alien_score;
-                       goto loop;
-               case Xdiamond:
-               case Xdiamond_pause:
-                       switch(Cave[y+2][x]) {
-                       case Xblank:
-                       case Yacid_splash_eB:
-                       case Yacid_splash_wB:
-                       case Zplayer:
-                       case Xbug_n:
-                       case Xbug_e:
-                       case Xbug_s:
-                       case Xbug_w:
-                       case Xbug_gon:
-                       case Xbug_goe:
-                       case Xbug_gos:
-                       case Xbug_gow:
-                       case Xtank_n:
-                       case Xtank_e:
-                       case Xtank_s:
-                       case Xtank_w:
-                       case Xtank_gon:
-                       case Xtank_goe:
-                       case Xtank_gos:
-                       case Xtank_gow:
-                       case Xspring_fall:
-                       case Xandroid:
-                       case Xandroid_1_n:
-                       case Xandroid_2_n:
-                       case Xandroid_1_e:
-                       case Xandroid_2_e:
-                       case Xandroid_1_s:
-                       case Xandroid_2_s:
-                       case Xandroid_1_w:
-                       case Xandroid_2_w:
-                       case Xstone_fall:
-                       case Xemerald_fall:
-                       case Xdiamond_fall:
-                       case Xbomb_fall:
-                       case Xacid_s:
-                       case Xacid_1:
-                       case Xacid_2:
-                       case Xacid_3:
-                       case Xacid_4:
-                       case Xacid_5:
-                       case Xacid_6:
-                       case Xacid_7:
-                       case Xacid_8:
-                       case Xnut_fall:
-                       case Xplant:
-                       case Yplant:
-                               Next[y][x] = Xstone;
-                               PLAY(SAMPLE_stone);
-                               goto loop;
-                       }
-                       Cave[y][x] = Ystone_sB;
-                       Cave[y+1][x] = Ydiamond_stone;
-                       Next[y][x] = Xblank;
-                       Next[y+1][x] = Xstone_pause;
-                       play[SAMPLE_squash] = 1;
-                       goto loop;
-               case Xbomb:
-               case Xbomb_pause:
-                       Cave[y+1][x] = Ybomb_eat;
-                       Next[y+1][x] = Znormal;
-                       Boom[y][x-1] = Xblank;
-                       Boom[y][x] = Xblank;
-                       Boom[y][x+1] = Xblank;
-                       Boom[y+1][x-1] = Xblank;
-                       Boom[y+1][x] = Xblank;
-                       Boom[y+1][x+1] = Xblank;
-                       Boom[y+2][x-1] = Xblank;
-                       Boom[y+2][x] = Xblank;
-                       Boom[y+2][x+1] = Xblank;
-                       goto loop;
-               case Xwonderwall:
-                       if(lev.wonderwall_time) {
-                               lev.wonderwall_state = 1;
-                               Cave[y][x] = Ystone_sB;
-                               if(tab_blank[Cave[y+2][x]]) {
-                                       Cave[y+2][x] = Yemerald_s;
-                                       Next[y+2][x] = Xemerald_fall;
-                               }
-                               Next[y][x] = Xblank;
-                               play[SAMPLE_squash] = 1;
-                               goto loop;
-                       }
-               default:
-                       Cave[y][x] = Xstone;
-                       Next[y][x] = Xstone;
-                       PLAY(SAMPLE_stone);
-                       goto loop;
-               }
-/* ---------------------------------------------------------------------- */
-       case Xnut:
-               switch(Cave[y+1][x]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Ynut_sB;
-                       if(Cave[y][x+1] == Xblank) Cave[y][x+1] = Yacid_splash_eB;
-                       if(Cave[y][x-1] == Xblank) Cave[y][x-1] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-                       Cave[y][x] = Ynut_sB;
-                       Cave[y+1][x] = Ynut_s;
-                       Next[y][x] = Xblank;
-                       Next[y+1][x] = Xnut_fall;
-                       goto loop;
-               case Xspring:
-               case Xspring_pause:
-               case Xspring_e:
-               case Xspring_w:
-               case Xandroid:
-               case Xandroid_1_n:
-               case Xandroid_2_n:
-               case Xandroid_1_e:
-               case Xandroid_2_e:
-               case Xandroid_1_s:
-               case Xandroid_2_s:
-               case Xandroid_1_w:
-               case Xandroid_2_w:
-               case Xstone:
-               case Xstone_pause:
-               case Xemerald:
-               case Xemerald_pause:
-               case Xdiamond:
-               case Xdiamond_pause:
-               case Xbomb:
-               case Xbomb_pause:
-               case Xballoon:
-               case Xacid_ne:
-               case Xacid_nw:
-               case Xball_1:
-               case Xball_2:
-               case Xnut:
-               case Xnut_pause:
-               case Xgrow_ns:
-               case Xgrow_ew:
-               case Xkey_1:
-               case Xkey_2:
-               case Xkey_3:
-               case Xkey_4:
-               case Xkey_5:
-               case Xkey_6:
-               case Xkey_7:
-               case Xkey_8:
-               case Xbumper:
-               case Xswitch:
-               case Xround_wall_1:
-               case Xround_wall_2:
-               case Xround_wall_3:
-               case Xround_wall_4:
-                       if(RANDOM & 1) {
-                               if(tab_blank[Cave[y][x+1]] && tab_acid[Cave[y+1][x+1]]) {
-                                       Cave[y][x] = Ynut_eB;
-                                       Cave[y][x+1] = Ynut_e;
-                                       Next[y][x] = Xblank;
-                                       Next[y][x+1] = Xnut_pause;
-                                       goto loop;
-                               }
-                               if(tab_blank[Cave[y][x-1]] && tab_acid[Cave[y+1][x-1]]) {
-                                       Cave[y][x] = Ynut_wB;
-                                       Cave[y][x-1] = Ynut_w;
-                                       Next[y][x] = Xblank;
-                                       Next[y][x-1] = Xnut_pause;
-                                       goto loop;
-                               }
-                       } else {
-                               if(tab_blank[Cave[y][x-1]] && tab_acid[Cave[y+1][x-1]]) {
-                                       Cave[y][x] = Ynut_wB;
-                                       Cave[y][x-1] = Ynut_w;
-                                       Next[y][x] = Xblank;
-                                       Next[y][x-1] = Xnut_pause;
-                                       goto loop;
-                               }
-                               if(tab_blank[Cave[y][x+1]] && tab_acid[Cave[y+1][x+1]]) {
-                                       Cave[y][x] = Ynut_eB;
-                                       Cave[y][x+1] = Ynut_e;
-                                       Next[y][x] = Xblank;
-                                       Next[y][x+1] = Xnut_pause;
-                                       goto loop;
-                               }
-                       }
-               default:
-                       goto loop;
-               }
-/* ---------------------------------------------------------------------- */
-       case Xnut_pause:
-               switch(Cave[y+1][x]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Ynut_sB;
-                       if(Cave[y][x+1] == Xblank) Cave[y][x+1] = Yacid_splash_eB;
-                       if(Cave[y][x-1] == Xblank) Cave[y][x-1] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-                       Cave[y][x] = Ynut_sB;
-                       Cave[y+1][x] = Ynut_s;
-                       Next[y][x] = Xblank;
-                       Next[y+1][x] = Xnut_fall;
-                       goto loop;
-               default:
-                       Cave[y][x] = Xnut;
-                       Next[y][x] = Xnut;
-                       goto loop;
-               }
-/* ---------------------------------------------------------------------- */
-       case Xnut_fall:
-               switch(Cave[y+1][x]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Ynut_sB;
-                       if(Cave[y][x+1] == Xblank) Cave[y][x+1] = Yacid_splash_eB;
-                       if(Cave[y][x-1] == Xblank) Cave[y][x-1] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-               case Zplayer:
-                       Cave[y][x] = Ynut_sB;
-                       Cave[y+1][x] = Ynut_s;
-                       Next[y][x] = Xblank;
-                       Next[y+1][x] = Xnut_fall;
-                       goto loop;
-               default:
-                       Cave[y][x] = Xnut;
-                       Next[y][x] = Xnut;
-                       PLAY(SAMPLE_nut);
-                       goto loop;
-               }
-/* ---------------------------------------------------------------------- */
-       case Xbug_n:
-               if(tab_ameuba[Cave[y-1][x]] || tab_ameuba[Cave[y][x+1]] || tab_ameuba[Cave[y+1][x]] || tab_ameuba[Cave[y][x-1]]) goto bug_boom;
-               switch(Cave[y][x+1]) {
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-               case Xplant:
-               case Yplant:
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-               case Zplayer:
-                       Cave[y][x] = Ybug_n_e;
-                       Next[y][x] = Xbug_goe;
-                       PLAY(SAMPLE_bug);
-                       goto loop;
-               default:
-                       goto bug_gon;
-               }
-       case Xbug_gon:
-               if(tab_ameuba[Cave[y-1][x]] || tab_ameuba[Cave[y][x+1]] || tab_ameuba[Cave[y+1][x]] || tab_ameuba[Cave[y][x-1]]) goto bug_boom;
-       bug_gon:
-               switch(Cave[y-1][x]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Ybug_nB;
-                       if(Cave[y-2][x+1] == Xblank) Cave[y-2][x+1] = Yacid_splash_eB;
-                       if(Cave[y-2][x-1] == Xblank) Cave[y-2][x-1] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-               case Xplant:
-               case Yplant:
-               case Zplayer:
-                       Cave[y][x] = Ybug_nB;
-                       Cave[y-1][x] = Ybug_n;
-                       Next[y][x] = Xblank;
-                       Next[y-1][x] = Xbug_n;
-                       PLAY(SAMPLE_bug);
-                       goto loop;
-               default:
-                       Cave[y][x] = Ybug_n_w;
-                       Next[y][x] = Xbug_gow;
-                       PLAY(SAMPLE_bug);
-                       goto loop;
-               }
-/* ---------------------------------------------------------------------- */
-       case Xbug_e:
-               if(tab_ameuba[Cave[y-1][x]] || tab_ameuba[Cave[y][x+1]] || tab_ameuba[Cave[y+1][x]] || tab_ameuba[Cave[y][x-1]]) goto bug_boom;
-               switch(Cave[y+1][x]) {
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-               case Xplant:
-               case Yplant:
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-               case Zplayer:
-                       Cave[y][x] = Ybug_e_s;
-                       Next[y][x] = Xbug_gos;
-                       PLAY(SAMPLE_bug);
-                       goto loop;
-               default:
-                       goto bug_goe;
-               }
-       case Xbug_goe:
-               if(tab_ameuba[Cave[y-1][x]] || tab_ameuba[Cave[y][x+1]] || tab_ameuba[Cave[y+1][x]] || tab_ameuba[Cave[y][x-1]]) goto bug_boom;
-       bug_goe:
-               switch(Cave[y][x+1]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Ybug_eB;
-                       if(Cave[y-1][x+2] == Xblank) Cave[y-1][x+2] = Yacid_splash_eB;
-                       if(Cave[y-1][x] == Xblank) Cave[y-1][x] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-               case Xplant:
-               case Yplant:
-               case Zplayer:
-                       Cave[y][x] = Ybug_eB;
-                       Cave[y][x+1] = Ybug_e;
-                       Next[y][x] = Xblank;
-                       Next[y][x+1] = Xbug_e;
-                       PLAY(SAMPLE_bug);
-                       goto loop;
-               default:
-                       Cave[y][x] = Ybug_e_n;
-                       Next[y][x] = Xbug_gon;
-                       PLAY(SAMPLE_bug);
-                       goto loop;
-               }
-/* ---------------------------------------------------------------------- */
-       case Xbug_s:
-               if(tab_ameuba[Cave[y-1][x]] || tab_ameuba[Cave[y][x+1]] || tab_ameuba[Cave[y+1][x]] || tab_ameuba[Cave[y][x-1]]) goto bug_boom;
-               switch(Cave[y][x-1]) {
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-               case Xplant:
-               case Yplant:
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-               case Zplayer:
-                       Cave[y][x] = Ybug_s_w;
-                       Next[y][x] = Xbug_gow;
-                       PLAY(SAMPLE_bug);
-                       goto loop;
-               default:
-                       goto bug_gos;
-               }
-       case Xbug_gos:
-               if(tab_ameuba[Cave[y-1][x]] || tab_ameuba[Cave[y][x+1]] || tab_ameuba[Cave[y+1][x]] || tab_ameuba[Cave[y][x-1]]) goto bug_boom;
-       bug_gos:
-               switch(Cave[y+1][x]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Ybug_sB;
-                       if(Cave[y][x+1] == Xblank) Cave[y][x+1] = Yacid_splash_eB;
-                       if(Cave[y][x-1] == Xblank) Cave[y][x-1] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-               case Xplant:
-               case Yplant:
-               case Zplayer:
-                       Cave[y][x] = Ybug_sB;
-                       Cave[y+1][x] = Ybug_s;
-                       Next[y][x] = Xblank;
-                       Next[y+1][x] = Xbug_s;
-                       PLAY(SAMPLE_bug);
-                       goto loop;
-               default:
-                       Cave[y][x] = Ybug_s_e;
-                       Next[y][x] = Xbug_goe;
-                       PLAY(SAMPLE_bug);
-                       goto loop;
-               }
-/* ---------------------------------------------------------------------- */
-       case Xbug_w:
-               if(tab_ameuba[Cave[y-1][x]] || tab_ameuba[Cave[y][x+1]] || tab_ameuba[Cave[y+1][x]] || tab_ameuba[Cave[y][x-1]]) goto bug_boom;
-               switch(Cave[y-1][x]) {
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-               case Xplant:
-               case Yplant:
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-               case Zplayer:
-                       Cave[y][x] = Ybug_w_n;
-                       Next[y][x] = Xbug_gon;
-                       PLAY(SAMPLE_bug);
-                       goto loop;
-               default:
-                       goto bug_gow;
-               }
-       case Xbug_gow:
-               if(tab_ameuba[Cave[y-1][x]] || tab_ameuba[Cave[y][x+1]] || tab_ameuba[Cave[y+1][x]] || tab_ameuba[Cave[y][x-1]]) goto bug_boom;
-       bug_gow:
-               switch(Cave[y][x-1]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Ybug_wB;
-                       if(Cave[y-1][x] == Xblank) Cave[y-1][x] = Yacid_splash_eB;
-                       if(Cave[y-1][x-2] == Xblank) Cave[y-1][x-2] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-               case Xplant:
-               case Yplant:
-               case Zplayer:
-                       Cave[y][x] = Ybug_wB;
-                       Cave[y][x-1] = Ybug_w;
-                       Next[y][x] = Xblank;
-                       Next[y][x-1] = Xbug_w;
-                       PLAY(SAMPLE_bug);
-                       goto loop;
-               default:
-                       Cave[y][x] = Ybug_w_s;
-                       Next[y][x] = Xbug_gos;
-                       PLAY(SAMPLE_bug);
-                       goto loop;
-               }
-/* ---------------------------------------------------------------------- */
-       case Xtank_n:
-               if(tab_ameuba[Cave[y-1][x]] || tab_ameuba[Cave[y][x+1]] || tab_ameuba[Cave[y+1][x]] || tab_ameuba[Cave[y][x-1]]) goto tank_boom;
-               switch(Cave[y][x-1]) {
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-               case Xplant:
-               case Yplant:
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-               case Zplayer:
-                       Cave[y][x] = Ytank_n_w;
-                       Next[y][x] = Xtank_gow;
-                       PLAY(SAMPLE_tank);
-                       goto loop;
-               default:
-                       goto tank_gon;
-               }
-       case Xtank_gon:
-               if(tab_ameuba[Cave[y-1][x]] || tab_ameuba[Cave[y][x+1]] || tab_ameuba[Cave[y+1][x]] || tab_ameuba[Cave[y][x-1]]) goto tank_boom;
-       tank_gon:
-               switch(Cave[y-1][x]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Ytank_nB;
-                       if(Cave[y-2][x+1] == Xblank) Cave[y-2][x+1] = Yacid_splash_eB;
-                       if(Cave[y-2][x-1] == Xblank) Cave[y-2][x-1] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-               case Xplant:
-               case Yplant:
-               case Zplayer:
-                       Cave[y][x] = Ytank_nB;
-                       Cave[y-1][x] = Ytank_n;
-                       Next[y][x] = Xblank;
-                       Next[y-1][x] = Xtank_n;
-                       PLAY(SAMPLE_tank);
-                       goto loop;
-               default:
-                       Cave[y][x] = Ytank_n_e;
-                       Next[y][x] = Xtank_goe;
-                       PLAY(SAMPLE_tank);
-                       goto loop;
-               }
-/* ---------------------------------------------------------------------- */
-       case Xtank_e:
-               if(tab_ameuba[Cave[y-1][x]] || tab_ameuba[Cave[y][x+1]] || tab_ameuba[Cave[y+1][x]] || tab_ameuba[Cave[y][x-1]]) goto tank_boom;
-               switch(Cave[y-1][x]) {
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-               case Xplant:
-               case Yplant:
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-               case Zplayer:
-                       Cave[y][x] = Ytank_e_n;
-                       Next[y][x] = Xtank_gon;
-                       PLAY(SAMPLE_tank);
-                       goto loop;
-               default:
-                       goto tank_goe;
-               }
-       case Xtank_goe:
-               if(tab_ameuba[Cave[y-1][x]] || tab_ameuba[Cave[y][x+1]] || tab_ameuba[Cave[y+1][x]] || tab_ameuba[Cave[y][x-1]]) goto tank_boom;
-       tank_goe:
-               switch(Cave[y][x+1]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Ytank_eB;
-                       if(Cave[y-1][x+2] == Xblank) Cave[y-1][x+2] = Yacid_splash_eB;
-                       if(Cave[y-1][x] == Xblank) Cave[y-1][x] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-               case Xplant:
-               case Yplant:
-               case Zplayer:
-                       Cave[y][x] = Ytank_eB;
-                       Cave[y][x+1] = Ytank_e;
-                       Next[y][x] = Xblank;
-                       Next[y][x+1] = Xtank_e;
-                       PLAY(SAMPLE_tank);
-                       goto loop;
-               default:
-                       Cave[y][x] = Ytank_e_s;
-                       Next[y][x] = Xtank_gos;
-                       PLAY(SAMPLE_tank);
-                       goto loop;
-               }
-/* ---------------------------------------------------------------------- */
-       case Xtank_s:
-               if(tab_ameuba[Cave[y-1][x]] || tab_ameuba[Cave[y][x+1]] || tab_ameuba[Cave[y+1][x]] || tab_ameuba[Cave[y][x-1]]) goto tank_boom;
-               switch(Cave[y][x+1]) {
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-               case Xplant:
-               case Yplant:
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-               case Zplayer:
-                       Cave[y][x] = Ytank_s_e;
-                       Next[y][x] = Xtank_goe;
-                       PLAY(SAMPLE_tank);
-                       goto loop;
-               default:
-                       goto tank_gos;
-               }
-       case Xtank_gos:
-               if(tab_ameuba[Cave[y-1][x]] || tab_ameuba[Cave[y][x+1]] || tab_ameuba[Cave[y+1][x]] || tab_ameuba[Cave[y][x-1]]) goto tank_boom;
-       tank_gos:
-               switch(Cave[y+1][x]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Ytank_sB;
-                       if(Cave[y][x+1] == Xblank) Cave[y][x+1] = Yacid_splash_eB;
-                       if(Cave[y][x-1] == Xblank) Cave[y][x-1] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-               case Xplant:
-               case Yplant:
-               case Zplayer:
-                       Cave[y][x] = Ytank_sB;
-                       Cave[y+1][x] = Ytank_s;
-                       Next[y][x] = Xblank;
-                       Next[y+1][x] = Xtank_s;
-                       PLAY(SAMPLE_tank);
-                       goto loop;
-               default:
-                       Cave[y][x] = Ytank_s_w;
-                       Next[y][x] = Xtank_gow;
-                       PLAY(SAMPLE_tank);
-                       goto loop;
-               }
-/* ---------------------------------------------------------------------- */
-       case Xtank_w:
-               if(tab_ameuba[Cave[y-1][x]] || tab_ameuba[Cave[y][x+1]] || tab_ameuba[Cave[y+1][x]] || tab_ameuba[Cave[y][x-1]]) goto tank_boom;
-               switch(Cave[y+1][x]) {
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-               case Xplant:
-               case Yplant:
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-               case Zplayer:
-                       Cave[y][x] = Ytank_w_s;
-                       Next[y][x] = Xtank_gos;
-                       PLAY(SAMPLE_tank);
-                       goto loop;
-               default:
-                       goto tank_gow;
-               }
-       case Xtank_gow:
-               if(tab_ameuba[Cave[y-1][x]] || tab_ameuba[Cave[y][x+1]] || tab_ameuba[Cave[y+1][x]] || tab_ameuba[Cave[y][x-1]]) goto tank_boom;
-       tank_gow:
-               switch(Cave[y][x-1]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Ytank_wB;
-                       if(Cave[y-1][x] == Xblank) Cave[y-1][x] = Yacid_splash_eB;
-                       if(Cave[y-1][x-2] == Xblank) Cave[y-1][x-2] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-               case Xplant:
-               case Yplant:
-               case Zplayer:
-                       Cave[y][x] = Ytank_wB;
-                       Cave[y][x-1] = Ytank_w;
-                       Next[y][x] = Xblank;
-                       Next[y][x-1] = Xtank_w;
-                       PLAY(SAMPLE_tank);
-                       goto loop;
-               default:
-                       Cave[y][x] = Ytank_w_n;
-                       Next[y][x] = Xtank_gon;
-                       PLAY(SAMPLE_tank);
-                       goto loop;
-               }
-/* ---------------------------------------------------------------------- */
+      Cave[x][y] = Ystone_sB;
+      Cave[x][y+1] = Ystone_s;
+      Next[x][y] = Xblank;
+      Next[x][y+1] = Xstone_fall;
+      return;
+
+    case Xnut:
+    case Xnut_pause:
+      Cave[x][y+1] = Ynut_stone;
+      Next[x][y] = Xstone;
+      Next[x][y+1] = Xemerald;
+      play_element_sound(x, y, SOUND_crack, Xnut);
+      score += lev.nut_score;
+      return;
+
+    case Xbug_1_n:
+    case Xbug_1_e:
+    case Xbug_1_s:
+    case Xbug_1_w:
+    case Xbug_2_n:
+    case Xbug_2_e:
+    case Xbug_2_s:
+    case Xbug_2_w:
+      Cave[x][y] = Ystone_sB;
+      Cave[x][y+1] = Ybug_stone;
+      Next[x][y+1] = Znormal;
+      Boom[x-1][y] = Xemerald;
+      Boom[x][y] = Xemerald;
+      Boom[x+1][y] = Xemerald;
+      Boom[x-1][y+1] = Xemerald;
+      Boom[x][y+1] = Xdiamond;
+      Boom[x+1][y+1] = Xemerald;
+      Boom[x-1][y+2] = Xemerald;
+      Boom[x][y+2] = Xemerald;
+      Boom[x+1][y+2] = Xemerald;
+#if PLAY_ELEMENT_SOUND
+      play_element_sound(x, y, SOUND_boom, Xstone_fall);
+#endif
+      score += lev.bug_score;
+      return;
+
+    case Xtank_1_n:
+    case Xtank_1_e:
+    case Xtank_1_s:
+    case Xtank_1_w:
+    case Xtank_2_n:
+    case Xtank_2_e:
+    case Xtank_2_s:
+    case Xtank_2_w:
+      Cave[x][y] = Ystone_sB;
+      Cave[x][y+1] = Ytank_stone;
+      Next[x][y+1] = Znormal;
+      Boom[x-1][y] = Xblank;
+      Boom[x][y] = Xblank;
+      Boom[x+1][y] = Xblank;
+      Boom[x-1][y+1] = Xblank;
+      Boom[x][y+1] = Xblank;
+      Boom[x+1][y+1] = Xblank;
+      Boom[x-1][y+2] = Xblank;
+      Boom[x][y+2] = Xblank;
+      Boom[x+1][y+2] = Xblank;
+#if PLAY_ELEMENT_SOUND
+      play_element_sound(x, y, SOUND_boom, Xstone_fall);
+#endif
+      score += lev.tank_score;
+      return;
+
+    case Xspring:
+      if (RANDOM(2))
+      {
+       switch (Cave[x+1][y+1])
+       {
+         case Xblank:
+         case Xacid_splash_e:
+         case Xacid_splash_w:
+         case Xalien:
+         case Xalien_pause:
+           Cave[x][y+1] = Xspring_e;
+           break;
+
+         default:
+           Cave[x][y+1] = Xspring_w;
+           break;
+       }
+      }
+      else
+      {
+       switch (Cave[x-1][y+1])
+       {
+         case Xblank:
+         case Xacid_splash_e:
+         case Xacid_splash_w:
+         case Xalien:
+         case Xalien_pause:
+           Cave[x][y+1] = Xspring_w;
+           break;
+         default:
+           Cave[x][y+1] = Xspring_e;
+           break;
+       }
+      }
+
+      Next[x][y] = Xstone;
+      return;
+
+    case Xeater_n:
+    case Xeater_e:
+    case Xeater_s:
+    case Xeater_w:
+      Cave[x][y] = Ystone_sB;
+      Cave[x][y+1] = Yeater_stone;
+      Next[x][y+1] = Znormal;
+      Boom[x-1][y] = lev.eater_array[lev.eater_pos][0];
+      Boom[x][y] = lev.eater_array[lev.eater_pos][1];
+      Boom[x+1][y] = lev.eater_array[lev.eater_pos][2];
+      Boom[x-1][y+1] = lev.eater_array[lev.eater_pos][3];
+      Boom[x][y+1] = lev.eater_array[lev.eater_pos][4];
+      Boom[x+1][y+1] = lev.eater_array[lev.eater_pos][5];
+      Boom[x-1][y+2] = lev.eater_array[lev.eater_pos][6];
+      Boom[x][y+2] = lev.eater_array[lev.eater_pos][7];
+      Boom[x+1][y+2] = lev.eater_array[lev.eater_pos][8];
+#if PLAY_ELEMENT_SOUND
+      play_element_sound(x, y, SOUND_boom, Xstone_fall);
+#endif
+      lev.eater_pos = (lev.eater_pos + 1) & 7;
+      score += lev.eater_score;
+      return;
+
+    case Xalien:
+    case Xalien_pause:
+      Cave[x][y] = Ystone_sB;
+      Cave[x][y+1] = Yalien_stone;
+      Next[x][y+1] = Znormal;
+      Boom[x-1][y] = Xblank;
+      Boom[x][y] = Xblank;
+      Boom[x+1][y] = Xblank;
+      Boom[x-1][y+1] = Xblank;
+      Boom[x][y+1] = Xblank;
+      Boom[x+1][y+1] = Xblank;
+      Boom[x-1][y+2] = Xblank;
+      Boom[x][y+2] = Xblank;
+      Boom[x+1][y+2] = Xblank;
+#if PLAY_ELEMENT_SOUND
+      play_element_sound(x, y, SOUND_boom, Xstone_fall);
+#endif
+      score += lev.alien_score;
+      return;
+
+    case Xdiamond:
+    case Xdiamond_pause:
+      switch (Cave[x][y+2])
+      {
+       case Xblank:
+       case Xacid_splash_e:
+       case Xacid_splash_w:
+       case Zplayer:
+       case Xbug_1_n:
+       case Xbug_1_e:
+       case Xbug_1_s:
+       case Xbug_1_w:
+       case Xbug_2_n:
+       case Xbug_2_e:
+       case Xbug_2_s:
+       case Xbug_2_w:
+       case Xtank_1_n:
+       case Xtank_1_e:
+       case Xtank_1_s:
+       case Xtank_1_w:
+       case Xtank_2_n:
+       case Xtank_2_e:
+       case Xtank_2_s:
+       case Xtank_2_w:
+       case Xspring_fall:
        case Xandroid:
-       android:
-               if(lev.android_clone_cnt == 0) {
-                       if(Cave[y-1][x-1] != Xblank && Cave[y-1][x] != Xblank &&
-                          Cave[y-1][x+1] != Xblank && Cave[y][x-1] != Xblank &&
-                          Cave[y][x+1] != Xblank && Cave[y+1][x-1] != Xblank &&
-                          Cave[y+1][x] != Xblank && Cave[y+1][x+1] != Xblank) goto android_move;
-
-                       switch(RANDOM & 7) { /* randomly find an object to clone */
-                       case 0: /* S,NE,W,NW,SE,E,SW,N */
-                               temp = lev.android_array[Cave[y+1][x]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y-1][x+1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y][x-1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y-1][x-1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y+1][x+1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y][x+1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y+1][x-1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y-1][x]]; if(temp != Xblank) break;
-                               goto android_move;
-                       case 1: /* NW,SE,N,S,NE,SW,E,W */
-                               temp = lev.android_array[Cave[y-1][x-1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y+1][x+1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y-1][x]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y+1][x]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y-1][x+1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y+1][x-1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y][x+1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y][x-1]]; if(temp != Xblank) break;
-                               goto android_move;
-                       case 2: /* SW,E,S,W,N,NW,SE,NE */
-                               temp = lev.android_array[Cave[y+1][x-1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y][x+1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y+1][x]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y][x-1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y-1][x]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y-1][x-1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y+1][x+1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y-1][x+1]]; if(temp != Xblank) break;
-                               goto android_move;
-                       case 3: /* N,SE,NE,E,W,S,NW,SW */
-                               temp = lev.android_array[Cave[y-1][x]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y+1][x+1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y-1][x+1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y][x+1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y][x-1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y+1][x]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y-1][x-1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y+1][x-1]]; if(temp != Xblank) break;
-                               goto android_move;
-                       case 4: /* SE,NW,E,NE,SW,W,N,S */
-                               temp = lev.android_array[Cave[y+1][x+1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y-1][x-1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y][x+1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y-1][x+1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y+1][x-1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y][x-1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y-1][x]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y+1][x]]; if(temp != Xblank) break;
-                               goto android_move;
-                       case 5: /* NE,W,SE,SW,S,N,E,NW */
-                               temp = lev.android_array[Cave[y-1][x+1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y][x-1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y+1][x+1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y+1][x-1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y+1][x]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y-1][x]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y][x+1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y-1][x-1]]; if(temp != Xblank) break;
-                               goto android_move;
-                       case 6: /* E,N,SW,S,NW,NE,SE,W */
-                               temp = lev.android_array[Cave[y][x+1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y-1][x]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y+1][x-1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y+1][x]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y-1][x-1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y-1][x+1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y+1][x+1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y][x-1]]; if(temp != Xblank) break;
-                               goto android_move;
-                       case 7: /* W,SW,NW,N,E,SE,NE,S */
-                               temp = lev.android_array[Cave[y][x-1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y+1][x-1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y-1][x-1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y-1][x]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y][x+1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y+1][x+1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y-1][x+1]]; if(temp != Xblank) break;
-                               temp = lev.android_array[Cave[y+1][x]]; if(temp != Xblank) break;
-                               goto android_move;
-                       }
-                       Next[y][x] = temp; /* the item we chose to clone */
-                       play[SAMPLE_android] = 1;
-                       switch(RANDOM & 7) { /* randomly find a direction to move */
-                       case 0: /* S,NE,W,NW,SE,E,SW,N */
-                               if(Cave[y+1][x] == Xblank) goto android_s;
-                               if(Cave[y-1][x+1] == Xblank) goto android_ne;
-                               if(Cave[y][x-1] == Xblank) goto android_w;
-                               if(Cave[y-1][x-1] == Xblank) goto android_nw;
-                               if(Cave[y+1][x+1] == Xblank) goto android_se;
-                               if(Cave[y][x+1] == Xblank) goto android_e;
-                               if(Cave[y+1][x-1] == Xblank) goto android_sw;
-                               if(Cave[y-1][x] == Xblank) goto android_n;
-                               goto android_move;
-                       case 1: /* NW,SE,N,S,NE,SW,E,W */
-                               if(Cave[y-1][x-1] == Xblank) goto android_nw;
-                               if(Cave[y+1][x+1] == Xblank) goto android_se;
-                               if(Cave[y-1][x] == Xblank) goto android_n;
-                               if(Cave[y+1][x] == Xblank) goto android_s;
-                               if(Cave[y-1][x+1] == Xblank) goto android_ne;
-                               if(Cave[y+1][x-1] == Xblank) goto android_sw;
-                               if(Cave[y][x+1] == Xblank) goto android_e;
-                               if(Cave[y][x-1] == Xblank) goto android_w;
-                               goto android_move;
-                       case 2: /* SW,E,S,W,N,NW,SE,NE */
-                               if(Cave[y+1][x-1] == Xblank) goto android_sw;
-                               if(Cave[y][x+1] == Xblank) goto android_e;
-                               if(Cave[y+1][x] == Xblank) goto android_s;
-                               if(Cave[y][x-1] == Xblank) goto android_w;
-                               if(Cave[y-1][x] == Xblank) goto android_n;
-                               if(Cave[y-1][x-1] == Xblank) goto android_nw;
-                               if(Cave[y+1][x+1] == Xblank) goto android_se;
-                               if(Cave[y-1][x+1] == Xblank) goto android_ne;
-                               goto android_move;
-                       case 3: /* N,SE,NE,E,W,S,NW,SW */
-                               if(Cave[y-1][x] == Xblank) goto android_n;
-                               if(Cave[y+1][x+1] == Xblank) goto android_se;
-                               if(Cave[y-1][x+1] == Xblank) goto android_ne;
-                               if(Cave[y][x+1] == Xblank) goto android_e;
-                               if(Cave[y][x-1] == Xblank) goto android_w;
-                               if(Cave[y+1][x] == Xblank) goto android_s;
-                               if(Cave[y-1][x-1] == Xblank) goto android_nw;
-                               if(Cave[y+1][x-1] == Xblank) goto android_sw;
-                               goto android_move;
-                       case 4: /* SE,NW,E,NE,SW,W,N,S */
-                               if(Cave[y+1][x+1] == Xblank) goto android_se;
-                               if(Cave[y-1][x-1] == Xblank) goto android_nw;
-                               if(Cave[y][x+1] == Xblank) goto android_e;
-                               if(Cave[y-1][x+1] == Xblank) goto android_ne;
-                               if(Cave[y+1][x-1] == Xblank) goto android_sw;
-                               if(Cave[y][x-1] == Xblank) goto android_w;
-                               if(Cave[y-1][x] == Xblank) goto android_n;
-                               if(Cave[y+1][x] == Xblank) goto android_s;
-                               goto android_move;
-                       case 5: /* NE,W,SE,SW,S,N,E,NW */
-                               if(Cave[y-1][x+1] == Xblank) goto android_ne;
-                               if(Cave[y][x-1] == Xblank) goto android_w;
-                               if(Cave[y+1][x+1] == Xblank) goto android_se;
-                               if(Cave[y+1][x-1] == Xblank) goto android_sw;
-                               if(Cave[y+1][x] == Xblank) goto android_s;
-                               if(Cave[y-1][x] == Xblank) goto android_n;
-                               if(Cave[y][x+1] == Xblank) goto android_e;
-                               if(Cave[y-1][x-1] == Xblank) goto android_nw;
-                               goto android_move;
-                       case 6: /* E,N,SW,S,NW,NE,SE,W */
-                               if(Cave[y][x+1] == Xblank) goto android_e;
-                               if(Cave[y-1][x] == Xblank) goto android_n;
-                               if(Cave[y+1][x-1] == Xblank) goto android_sw;
-                               if(Cave[y+1][x] == Xblank) goto android_s;
-                               if(Cave[y-1][x-1] == Xblank) goto android_nw;
-                               if(Cave[y-1][x+1] == Xblank) goto android_ne;
-                               if(Cave[y+1][x+1] == Xblank) goto android_se;
-                               if(Cave[y][x-1] == Xblank) goto android_w;
-                               goto android_move;
-                       case 7: /* W,SW,NW,N,E,SE,NE,S */
-                               if(Cave[y][x-1] == Xblank) goto android_w;
-                               if(Cave[y+1][x-1] == Xblank) goto android_sw;
-                               if(Cave[y-1][x-1] == Xblank) goto android_nw;
-                               if(Cave[y-1][x] == Xblank) goto android_n;
-                               if(Cave[y][x+1] == Xblank) goto android_e;
-                               if(Cave[y+1][x+1] == Xblank) goto android_se;
-                               if(Cave[y-1][x+1] == Xblank) goto android_ne;
-                               if(Cave[y+1][x] == Xblank) goto android_s;
-                               goto android_move;
-                       }
-               }
-       android_move:
-               if(lev.android_move_cnt == 0) {
-                       if(Cave[y-1][x-1] == Zplayer || Cave[y-1][x] == Zplayer ||
-                          Cave[y-1][x+1] == Zplayer || Cave[y][x-1] == Zplayer ||
-                          Cave[y][x+1] == Zplayer || Cave[y+1][x-1] == Zplayer ||
-                          Cave[y+1][x] == Zplayer || Cave[y+1][x+1] == Zplayer) goto android_still;
-
-                       if(ply1.alive && ply2.alive) {
-                               if( (ply1.x > x ? ply1.x - x : x - ply1.x) + (ply1.y > y ? ply1.y - y : y - ply1.y) < (ply2.x > x ? ply2.x - x : x - ply2.x) + (ply2.y > y ? ply2.y - y : y - ply2.y) ) {
-                                       dx = ply1.x;
-                                       dy = ply1.y;
-                               } else {
-                                       dx = ply2.x;
-                                       dy = ply2.y;
-                               }
-                       } else if(ply1.alive) {
-                               dx = ply1.x;
-                               dy = ply1.y;
-                       } else if(ply2.alive) {
-                               dx = ply2.x;
-                               dy = ply2.y;
-                       } else {
-                               dx = 0;
-                               dy = 0;
-                       }
-                       Next[y][x] = Xblank; /* assume we will move */
-                       temp = ((x < dx) + 1 - (x > dx)) + ((y < dy) + 1 - (y > dy)) * 3;
-                       if(RANDOM & 1) {
-                               switch(temp) { /* attempt clockwise move first if direct path is blocked */
-                               case 0: /* north west */
-                                       if(tab_android_move[Cave[y-1][x-1]]) goto android_nw;
-                                       if(tab_android_move[Cave[y-1][x]]) goto android_n;
-                                       if(tab_android_move[Cave[y][x-1]]) goto android_w;
-                                       break;
-                               case 1: /* north */
-                                       if(tab_android_move[Cave[y-1][x]]) goto android_n;
-                                       if(tab_android_move[Cave[y-1][x+1]]) goto android_ne;
-                                       if(tab_android_move[Cave[y-1][x-1]]) goto android_nw;
-                                       break;
-                               case 2: /* north east */
-                                       if(tab_android_move[Cave[y-1][x+1]]) goto android_ne;
-                                       if(tab_android_move[Cave[y][x+1]]) goto android_e;
-                                       if(tab_android_move[Cave[y-1][x]]) goto android_n;
-                                       break;
-                               case 3: /* west */
-                                       if(tab_android_move[Cave[y][x-1]]) goto android_w;
-                                       if(tab_android_move[Cave[y-1][x-1]]) goto android_nw;
-                                       if(tab_android_move[Cave[y+1][x-1]]) goto android_sw;
-                                       break;
-                               case 4: /* nowhere */
-                                       break;
-                               case 5: /* east */
-                                       if(tab_android_move[Cave[y][x+1]]) goto android_e;
-                                       if(tab_android_move[Cave[y+1][x+1]]) goto android_se;
-                                       if(tab_android_move[Cave[y-1][x+1]]) goto android_ne;
-                                       break;
-                               case 6: /* south west */
-                                       if(tab_android_move[Cave[y+1][x-1]]) goto android_sw;
-                                       if(tab_android_move[Cave[y][x-1]]) goto android_w;
-                                       if(tab_android_move[Cave[y+1][x]]) goto android_s;
-                                       break;
-                               case 7: /* south */
-                                       if(tab_android_move[Cave[y+1][x]]) goto android_s;
-                                       if(tab_android_move[Cave[y+1][x-1]]) goto android_sw;
-                                       if(tab_android_move[Cave[y+1][x+1]]) goto android_se;
-                                       break;
-                               case 8: /* south east */
-                                       if(tab_android_move[Cave[y+1][x+1]]) goto android_se;
-                                       if(tab_android_move[Cave[y+1][x]]) goto android_s;
-                                       if(tab_android_move[Cave[y][x+1]]) goto android_e;
-                                       break;
-                               }
-                       } else {
-                               switch(temp) { /* attempt counter clockwise move first if direct path is blocked */
-                               case 0: /* north west */
-                                       if(tab_android_move[Cave[y-1][x-1]]) goto android_nw;
-                                       if(tab_android_move[Cave[y][x-1]]) goto android_w;
-                                       if(tab_android_move[Cave[y-1][x]]) goto android_n;
-                                       break;
-                               case 1: /* north */
-                                       if(tab_android_move[Cave[y-1][x]]) goto android_n;
-                                       if(tab_android_move[Cave[y-1][x-1]]) goto android_nw;
-                                       if(tab_android_move[Cave[y-1][x+1]]) goto android_ne;
-                                       break;
-                               case 2: /* north east */
-                                       if(tab_android_move[Cave[y-1][x+1]]) goto android_ne;
-                                       if(tab_android_move[Cave[y-1][x]]) goto android_n;
-                                       if(tab_android_move[Cave[y][x+1]]) goto android_e;
-                                       break;
-                               case 3: /* west */
-                                       if(tab_android_move[Cave[y][x-1]]) goto android_w;
-                                       if(tab_android_move[Cave[y+1][x-1]]) goto android_sw;
-                                       if(tab_android_move[Cave[y-1][x-1]]) goto android_nw;
-                                       break;
-                               case 4: /* nowhere */
-                                       break;
-                               case 5: /* east */
-                                       if(tab_android_move[Cave[y][x+1]]) goto android_e;
-                                       if(tab_android_move[Cave[y-1][x+1]]) goto android_ne;
-                                       if(tab_android_move[Cave[y+1][x+1]]) goto android_se;
-                                       break;
-                               case 6: /* south west */
-                                       if(tab_android_move[Cave[y+1][x-1]]) goto android_sw;
-                                       if(tab_android_move[Cave[y+1][x]]) goto android_s;
-                                       if(tab_android_move[Cave[y][x-1]]) goto android_w;
-                                       break;
-                               case 7: /* south */
-                                       if(tab_android_move[Cave[y+1][x]]) goto android_s;
-                                       if(tab_android_move[Cave[y+1][x+1]]) goto android_se;
-                                       if(tab_android_move[Cave[y+1][x-1]]) goto android_sw;
-                                       break;
-                               case 8: /* south east */
-                                       if(tab_android_move[Cave[y+1][x+1]]) goto android_se;
-                                       if(tab_android_move[Cave[y][x+1]]) goto android_e;
-                                       if(tab_android_move[Cave[y+1][x]]) goto android_s;
-                                       break;
-                               }
-                       }
-               }
-       android_still:
-               Next[y][x] = Xandroid;
-               goto loop;
-       android_n:
-               Cave[y][x] = Yandroid_nB;
-               Cave[y-1][x] = Yandroid_n;
-               Next[y-1][x] = Xandroid;
-               PLAY(SAMPLE_tank);
-               goto loop;
-       android_ne:
-               Cave[y][x] = Yandroid_neB;
-               Cave[y-1][x+1] = Yandroid_ne;
-               Next[y-1][x+1] = Xandroid;
-               PLAY(SAMPLE_tank);
-               goto loop;
-       android_e:
-               Cave[y][x] = Yandroid_eB;
-               Cave[y][x+1] = Yandroid_e;
-               Next[y][x+1] = Xandroid;
-               PLAY(SAMPLE_tank);
-               goto loop;
-       android_se:
-               Cave[y][x] = Yandroid_seB;
-               Cave[y+1][x+1] = Yandroid_se;
-               Next[y+1][x+1] = Xandroid;
-               PLAY(SAMPLE_tank);
-               goto loop;
-       android_s:
-               Cave[y][x] = Yandroid_sB;
-               Cave[y+1][x] = Yandroid_s;
-               Next[y+1][x] = Xandroid;
-               PLAY(SAMPLE_tank);
-               goto loop;
-       android_sw:
-               Cave[y][x] = Yandroid_swB;
-               Cave[y+1][x-1] = Yandroid_sw;
-               Next[y+1][x-1] = Xandroid;
-               PLAY(SAMPLE_tank);
-               goto loop;
-       android_w:
-               Cave[y][x] = Yandroid_wB;
-               Cave[y][x-1] = Yandroid_w;
-               Next[y][x-1] = Xandroid;
-               PLAY(SAMPLE_tank);
-               goto loop;
-       android_nw:
-               Cave[y][x] = Yandroid_nwB;
-               Cave[y-1][x-1] = Yandroid_nw;
-               Next[y-1][x-1] = Xandroid;
-               PLAY(SAMPLE_tank);
-               goto loop;
-/* ---------------------------------------------------------------------- */
        case Xandroid_1_n:
-               switch(Cave[y-1][x]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Yandroid_nB;
-                       if(Cave[y-2][x+1] == Xblank) Cave[y-2][x+1] = Yacid_splash_eB;
-                       if(Cave[y-2][x-1] == Xblank) Cave[y-2][x-1] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-                       Cave[y][x] = Yandroid_nB;
-                       Cave[y-1][x] = Yandroid_n;
-                       Next[y][x] = Xblank;
-                       Next[y-1][x] = Xandroid;
-                       PLAY(SAMPLE_tank);
-                       goto loop;
-               default:
-                       goto android;
-               }
        case Xandroid_2_n:
-               switch(Cave[y-1][x]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Yandroid_nB;
-                       if(Cave[y-2][x+1] == Xblank) Cave[y-2][x+1] = Yacid_splash_eB;
-                       if(Cave[y-2][x-1] == Xblank) Cave[y-2][x-1] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-                       Cave[y][x] = Yandroid_nB;
-                       Cave[y-1][x] = Yandroid_n;
-                       Next[y][x] = Xblank;
-                       Next[y-1][x] = Xandroid_1_n;
-                       PLAY(SAMPLE_tank);
-                       goto loop;
-               default:
-                       goto android;
-               }
-/* ---------------------------------------------------------------------- */
        case Xandroid_1_e:
-               switch(Cave[y][x+1]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Yandroid_eB;
-                       if(Cave[y-1][x+2] == Xblank) Cave[y-1][x+2] = Yacid_splash_eB;
-                       if(Cave[y-1][x] == Xblank) Cave[y-1][x] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-                       Cave[y][x] = Yandroid_eB;
-                       Cave[y][x+1] = Yandroid_e;
-                       Next[y][x] = Xblank;
-                       Next[y][x+1] = Xandroid;
-                       PLAY(SAMPLE_tank);
-                       goto loop;
-               default:
-                       goto android;
-               }
        case Xandroid_2_e:
-               switch(Cave[y][x+1]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Yandroid_eB;
-                       if(Cave[y-1][x+2] == Xblank) Cave[y-1][x+2] = Yacid_splash_eB;
-                       if(Cave[y-1][x] == Xblank) Cave[y-1][x] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-                       Cave[y][x] = Yandroid_eB;
-                       Cave[y][x+1] = Yandroid_e;
-                       Next[y][x] = Xblank;
-                       Next[y][x+1] = Xandroid_1_e;
-                       PLAY(SAMPLE_tank);
-                       goto loop;
-               default:
-                       goto android;
-               }
-/* ---------------------------------------------------------------------- */
        case Xandroid_1_s:
-               switch(Cave[y+1][x]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Yandroid_sB;
-                       if(Cave[y][x+1] == Xblank) Cave[y][x+1] = Yacid_splash_eB;
-                       if(Cave[y][x-1] == Xblank) Cave[y][x-1] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-                       Cave[y][x] = Yandroid_sB;
-                       Cave[y+1][x] = Yandroid_s;
-                       Next[y][x] = Xblank;
-                       Next[y+1][x] = Xandroid;
-                       PLAY(SAMPLE_tank);
-                       goto loop;
-               default:
-                       goto android;
-               }
        case Xandroid_2_s:
-               switch(Cave[y+1][x]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Yandroid_sB;
-                       if(Cave[y][x+1] == Xblank) Cave[y][x+1] = Yacid_splash_eB;
-                       if(Cave[y][x-1] == Xblank) Cave[y][x-1] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-                       Cave[y][x] = Yandroid_sB;
-                       Cave[y+1][x] = Yandroid_s;
-                       Next[y][x] = Xblank;
-                       Next[y+1][x] = Xandroid_1_s;
-                       PLAY(SAMPLE_tank);
-                       goto loop;
-               default:
-                       goto android;
-               }
-/* ---------------------------------------------------------------------- */
        case Xandroid_1_w:
-               switch(Cave[y][x-1]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Yandroid_wB;
-                       if(Cave[y-1][x] == Xblank) Cave[y-1][x] = Yacid_splash_eB;
-                       if(Cave[y-1][x-2] == Xblank) Cave[y-1][x-2] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-                       Cave[y][x] = Yandroid_wB;
-                       Cave[y][x-1] = Yandroid_w;
-                       Next[y][x] = Xblank;
-                       Next[y][x-1] = Xandroid;
-                       PLAY(SAMPLE_tank);
-                       goto loop;
-               default:
-                       goto android;
-               }
        case Xandroid_2_w:
-               switch(Cave[y][x-1]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Yandroid_wB;
-                       if(Cave[y-1][x] == Xblank) Cave[y-1][x] = Yacid_splash_eB;
-                       if(Cave[y-1][x-2] == Xblank) Cave[y-1][x-2] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-                       Cave[y][x] = Yandroid_wB;
-                       Cave[y][x-1] = Yandroid_w;
-                       Next[y][x] = Xblank;
-                       Next[y][x-1] = Xandroid_1_w;
-                       PLAY(SAMPLE_tank);
-                       goto loop;
-               default:
-                       goto android;
-               }
-/* ---------------------------------------------------------------------- */
-       case Xspring:
-               switch(Cave[y+1][x]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Yspring_sB;
-                       if(Cave[y][x+1] == Xblank) Cave[y][x+1] = Yacid_splash_eB;
-                       if(Cave[y][x-1] == Xblank) Cave[y][x-1] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-               case Xplant:
-               case Yplant:
-                       Cave[y][x] = Yspring_sB;
-                       Cave[y+1][x] = Yspring_s;
-                       Next[y][x] = Xblank;
-                       Next[y+1][x] = Xspring_fall;
-                       goto loop;
-               case Xspring:
-               case Xspring_pause:
-               case Xspring_e:
-               case Xspring_w:
-               case Xandroid:
-               case Xandroid_1_n:
-               case Xandroid_2_n:
-               case Xandroid_1_e:
-               case Xandroid_2_e:
-               case Xandroid_1_s:
-               case Xandroid_2_s:
-               case Xandroid_1_w:
-               case Xandroid_2_w:
-               case Xstone:
-               case Xstone_pause:
-               case Xemerald:
-               case Xemerald_pause:
-               case Xdiamond:
-               case Xdiamond_pause:
-               case Xbomb:
-               case Xbomb_pause:
-               case Xballoon:
-               case Xacid_ne:
-               case Xacid_nw:
-               case Xball_1:
-               case Xball_2:
-               case Xnut:
-               case Xnut_pause:
-               case Xgrow_ns:
-               case Xgrow_ew:
-               case Xkey_1:
-               case Xkey_2:
-               case Xkey_3:
-               case Xkey_4:
-               case Xkey_5:
-               case Xkey_6:
-               case Xkey_7:
-               case Xkey_8:
-               case Xbumper:
-               case Xswitch:
-               case Xround_wall_1:
-               case Xround_wall_2:
-               case Xround_wall_3:
-               case Xround_wall_4:
-                       if(RANDOM & 1) {
-                               if(tab_blank[Cave[y][x+1]] && tab_acid[Cave[y+1][x+1]]) {
-                                       Cave[y][x] = Yspring_eB;
-                                       Cave[y][x+1] = Yspring_e;
-                                       if(Cave[y+1][x] == Xbumper) Cave[y+1][x] = XbumperB;
-                                       Next[y][x] = Xblank;
-#ifdef BAD_SPRING
-                                       Next[y][x+1] = Xspring_e;
-#else
-                                       Next[y][x+1] = Xspring_pause;
+       case Xstone_fall:
+       case Xemerald_fall:
+       case Xdiamond_fall:
+       case Xbomb_fall:
+       case Xacid_s:
+       case Xacid_1:
+       case Xacid_2:
+       case Xacid_3:
+       case Xacid_4:
+       case Xacid_5:
+       case Xacid_6:
+       case Xacid_7:
+       case Xacid_8:
+       case Xnut_fall:
+       case Xplant:
+       case Yplant:
+         Next[x][y] = Xstone;
+         play_element_sound(x, y, SOUND_stone, Xstone);
+         return;
+      }
+
+      Cave[x][y] = Ystone_sB;
+      Cave[x][y+1] = Ydiamond_stone;
+      Next[x][y] = Xblank;
+      Next[x][y+1] = Xstone_pause;
+      play_element_sound(x, y, SOUND_squash, Xdiamond);
+      return;
+
+    case Xbomb:
+    case Xbomb_pause:
+      Cave[x][y+1] = Ybomb_blank;
+      Next[x][y+1] = Znormal;
+      Boom[x-1][y] = Xblank;
+      Boom[x][y] = Xblank;
+      Boom[x+1][y] = Xblank;
+      Boom[x-1][y+1] = Xblank;
+      Boom[x][y+1] = Xblank;
+      Boom[x+1][y+1] = Xblank;
+      Boom[x-1][y+2] = Xblank;
+      Boom[x][y+2] = Xblank;
+      Boom[x+1][y+2] = Xblank;
+#if PLAY_ELEMENT_SOUND
+      play_element_sound(x, y, SOUND_boom, Xstone_fall);
+#endif
+      return;
+
+    case Xwonderwall:
+      if (lev.wonderwall_time)
+      {
+       lev.wonderwall_state = 1;
+       Cave[x][y] = Ystone_sB;
+
+       if (tab_blank[Cave[x][y+2]])
+       {
+         Cave[x][y+2] = Yemerald_s;
+         Next[x][y+2] = Xemerald_fall;
+       }
+
+       Next[x][y] = Xblank;
+       play_element_sound(x, y, SOUND_wonderfall, Xwonderwall);
+       return;
+      }
+
+    default:
+      Cave[x][y] = Xstone;
+      Next[x][y] = Xstone;
+      play_element_sound(x, y, SOUND_stone, Xstone);
+      return;
+  }
+}
+
+static void Lbomb(int x, int y)
+{
+  switch (Cave[x][y+1])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Ybomb_sB;
+      if (Cave[x+1][y] == Xblank)
+       Cave[x+1][y] = Xacid_splash_e;
+      if (Cave[x-1][y] == Xblank)
+       Cave[x-1][y] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+      Cave[x][y] = Ybomb_sB;
+      Cave[x][y+1] = Ybomb_s;
+      Next[x][y] = Xblank;
+      Next[x][y+1] = Xbomb_fall;
+      return;
+
+    case Xspring:
+    case Xspring_pause:
+    case Xspring_e:
+    case Xspring_w:
+    case Xandroid:
+    case Xandroid_1_n:
+    case Xandroid_2_n:
+    case Xandroid_1_e:
+    case Xandroid_2_e:
+    case Xandroid_1_s:
+    case Xandroid_2_s:
+    case Xandroid_1_w:
+    case Xandroid_2_w:
+    case Xstone:
+    case Xstone_pause:
+    case Xemerald:
+    case Xemerald_pause:
+    case Xdiamond:
+    case Xdiamond_pause:
+    case Xbomb:
+    case Xbomb_pause:
+    case Xballoon:
+    case Xacid_ne:
+    case Xacid_nw:
+    case Xball_1:
+    case Xball_2:
+    case Xnut:
+    case Xnut_pause:
+    case Xslidewall_ns:
+    case Xslidewall_ew:
+    case Xkey_1:
+    case Xkey_2:
+    case Xkey_3:
+    case Xkey_4:
+    case Xkey_5:
+    case Xkey_6:
+    case Xkey_7:
+    case Xkey_8:
+    case Xbumper:
+    case Xswitch:
+    case Xroundwall_1:
+    case Xroundwall_2:
+    case Xroundwall_3:
+    case Xroundwall_4:
+      if (RANDOM(2))
+      {
+       if (tab_blank[Cave[x+1][y]] && tab_acid[Cave[x+1][y+1]])
+       {
+         Cave[x][y] = Ybomb_eB;
+         Cave[x+1][y] = Ybomb_e;
+         Next[x][y] = Xblank;
+         Next[x+1][y] = Xbomb_pause;
+         return;
+       }
+
+       if (tab_blank[Cave[x-1][y]] && tab_acid[Cave[x-1][y+1]])
+       {
+         Cave[x][y] = Ybomb_wB;
+         Cave[x-1][y] = Ybomb_w;
+         Next[x][y] = Xblank;
+         Next[x-1][y] = Xbomb_pause;
+         return;
+       }
+      }
+      else
+      {
+       if (tab_blank[Cave[x-1][y]] && tab_acid[Cave[x-1][y+1]])
+       {
+         Cave[x][y] = Ybomb_wB;
+         Cave[x-1][y] = Ybomb_w;
+         Next[x][y] = Xblank;
+         Next[x-1][y] = Xbomb_pause;
+         return;
+       }
+
+       if (tab_blank[Cave[x+1][y]] && tab_acid[Cave[x+1][y+1]])
+       {
+         Cave[x][y] = Ybomb_eB;
+         Cave[x+1][y] = Ybomb_e;
+         Next[x][y] = Xblank;
+         Next[x+1][y] = Xbomb_pause;
+         return;
+       }
+      }
+  }
+}
+
+static void Lbomb_pause(int x, int y)
+{
+  switch (Cave[x][y+1])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Ybomb_sB;
+      if (Cave[x+1][y] == Xblank)
+       Cave[x+1][y] = Xacid_splash_e;
+      if (Cave[x-1][y] == Xblank)
+       Cave[x-1][y] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+      Cave[x][y] = Ybomb_sB;
+      Cave[x][y+1] = Ybomb_s;
+      Next[x][y] = Xblank;
+      Next[x][y+1] = Xbomb_fall;
+      return;
+
+    default:
+      Cave[x][y] = Xbomb;
+      Next[x][y] = Xbomb;
+      return;
+  }
+}
+
+static void Lbomb_fall(int x, int y)
+{
+  switch (Cave[x][y+1])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Ybomb_sB;
+      if (Cave[x+1][y] == Xblank)
+       Cave[x+1][y] = Xacid_splash_e;
+      if (Cave[x-1][y] == Xblank)
+       Cave[x-1][y] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+      Cave[x][y] = Ybomb_sB;
+      Cave[x][y+1] = Ybomb_s;
+      Next[x][y] = Xblank;
+      Next[x][y+1] = Xbomb_fall;
+      return;
+
+    default:
+      Cave[x][y] = Ybomb_blank;
+      Next[x][y] = Znormal;
+      Boom[x-1][y-1] = Xblank;
+      Boom[x][y-1] = Xblank;
+      Boom[x+1][y-1] = Xblank;
+      Boom[x-1][y] = Xblank;
+      Boom[x][y] = Xblank;
+      Boom[x+1][y] = Xblank;
+      Boom[x-1][y+1] = Xblank;
+      Boom[x][y+1] = Xblank;
+      Boom[x+1][y+1] = Xblank;
+#if PLAY_ELEMENT_SOUND
+      play_element_sound(x, y, SOUND_boom, Xbomb_fall);
+#endif
+      return;
+  }
+}
+
+static void Lnut(int x, int y)
+{
+  switch (Cave[x][y+1])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Ynut_sB;
+      if (Cave[x+1][y] == Xblank)
+       Cave[x+1][y] = Xacid_splash_e;
+      if (Cave[x-1][y] == Xblank)
+       Cave[x-1][y] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+      Cave[x][y] = Ynut_sB;
+      Cave[x][y+1] = Ynut_s;
+      Next[x][y] = Xblank;
+      Next[x][y+1] = Xnut_fall;
+      return;
+
+    case Xspring:
+    case Xspring_pause:
+    case Xspring_e:
+    case Xspring_w:
+    case Xandroid:
+    case Xandroid_1_n:
+    case Xandroid_2_n:
+    case Xandroid_1_e:
+    case Xandroid_2_e:
+    case Xandroid_1_s:
+    case Xandroid_2_s:
+    case Xandroid_1_w:
+    case Xandroid_2_w:
+    case Xstone:
+    case Xstone_pause:
+    case Xemerald:
+    case Xemerald_pause:
+    case Xdiamond:
+    case Xdiamond_pause:
+    case Xbomb:
+    case Xbomb_pause:
+    case Xballoon:
+    case Xacid_ne:
+    case Xacid_nw:
+    case Xball_1:
+    case Xball_2:
+    case Xnut:
+    case Xnut_pause:
+    case Xslidewall_ns:
+    case Xslidewall_ew:
+    case Xkey_1:
+    case Xkey_2:
+    case Xkey_3:
+    case Xkey_4:
+    case Xkey_5:
+    case Xkey_6:
+    case Xkey_7:
+    case Xkey_8:
+    case Xbumper:
+    case Xswitch:
+    case Xroundwall_1:
+    case Xroundwall_2:
+    case Xroundwall_3:
+    case Xroundwall_4:
+      if (RANDOM(2))
+      {
+       if (tab_blank[Cave[x+1][y]] && tab_acid[Cave[x+1][y+1]])
+       {
+         Cave[x][y] = Ynut_eB;
+         Cave[x+1][y] = Ynut_e;
+         Next[x][y] = Xblank;
+         Next[x+1][y] = Xnut_pause;
+         return;
+       }
+
+       if (tab_blank[Cave[x-1][y]] && tab_acid[Cave[x-1][y+1]])
+       {
+         Cave[x][y] = Ynut_wB;
+         Cave[x-1][y] = Ynut_w;
+         Next[x][y] = Xblank;
+         Next[x-1][y] = Xnut_pause;
+         return;
+       }
+      }
+      else
+      {
+       if (tab_blank[Cave[x-1][y]] && tab_acid[Cave[x-1][y+1]])
+       {
+         Cave[x][y] = Ynut_wB;
+         Cave[x-1][y] = Ynut_w;
+         Next[x][y] = Xblank;
+         Next[x-1][y] = Xnut_pause;
+         return;
+       }
+
+       if (tab_blank[Cave[x+1][y]] && tab_acid[Cave[x+1][y+1]])
+       {
+         Cave[x][y] = Ynut_eB;
+         Cave[x+1][y] = Ynut_e;
+         Next[x][y] = Xblank;
+         Next[x+1][y] = Xnut_pause;
+         return;
+       }
+      }
+  }
+}
+
+static void Lnut_pause(int x, int y)
+{
+  switch (Cave[x][y+1])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Ynut_sB;
+      if (Cave[x+1][y] == Xblank)
+       Cave[x+1][y] = Xacid_splash_e;
+      if (Cave[x-1][y] == Xblank)
+       Cave[x-1][y] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+      Cave[x][y] = Ynut_sB;
+      Cave[x][y+1] = Ynut_s;
+      Next[x][y] = Xblank;
+      Next[x][y+1] = Xnut_fall;
+      return;
+
+    default:
+      Cave[x][y] = Xnut;
+      Next[x][y] = Xnut;
+      return;
+  }
+}
+
+static void Lnut_fall(int x, int y)
+{
+  switch (Cave[x][y+1])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Ynut_sB;
+      if (Cave[x+1][y] == Xblank)
+       Cave[x+1][y] = Xacid_splash_e;
+      if (Cave[x-1][y] == Xblank)
+       Cave[x-1][y] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+    case Zplayer:
+      Cave[x][y] = Ynut_sB;
+      Cave[x][y+1] = Ynut_s;
+      Next[x][y] = Xblank;
+      Next[x][y+1] = Xnut_fall;
+      return;
+
+    default:
+      Cave[x][y] = Xnut;
+      Next[x][y] = Xnut;
+      play_element_sound(x, y, SOUND_nut, Xnut);
+      return;
+  }
+}
+
+static void Lspring(int x, int y)
+{
+  switch (Cave[x][y+1])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Yspring_sB;
+      if (Cave[x+1][y] == Xblank)
+       Cave[x+1][y] = Xacid_splash_e;
+      if (Cave[x-1][y] == Xblank)
+       Cave[x-1][y] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+    case Xplant:
+    case Yplant:
+      Cave[x][y] = Yspring_sB;
+      Cave[x][y+1] = Yspring_s;
+      Next[x][y] = Xblank;
+      Next[x][y+1] = Xspring_fall;
+      return;
+
+    case Xspring:
+    case Xspring_pause:
+    case Xspring_e:
+    case Xspring_w:
+    case Xandroid:
+    case Xandroid_1_n:
+    case Xandroid_2_n:
+    case Xandroid_1_e:
+    case Xandroid_2_e:
+    case Xandroid_1_s:
+    case Xandroid_2_s:
+    case Xandroid_1_w:
+    case Xandroid_2_w:
+    case Xstone:
+    case Xstone_pause:
+    case Xemerald:
+    case Xemerald_pause:
+    case Xdiamond:
+    case Xdiamond_pause:
+    case Xbomb:
+    case Xbomb_pause:
+    case Xballoon:
+    case Xacid_ne:
+    case Xacid_nw:
+    case Xball_1:
+    case Xball_2:
+    case Xnut:
+    case Xnut_pause:
+    case Xslidewall_ns:
+    case Xslidewall_ew:
+    case Xkey_1:
+    case Xkey_2:
+    case Xkey_3:
+    case Xkey_4:
+    case Xkey_5:
+    case Xkey_6:
+    case Xkey_7:
+    case Xkey_8:
+    case Xbumper:
+    case Xswitch:
+    case Xroundwall_1:
+    case Xroundwall_2:
+    case Xroundwall_3:
+    case Xroundwall_4:
+      if (RANDOM(2))
+      {
+       if (tab_blank[Cave[x+1][y]] && tab_acid[Cave[x+1][y+1]])
+       {
+         Cave[x][y] = Yspring_eB;
+         Cave[x+1][y] = Yspring_e;
+         if (Cave[x][y+1] == Xbumper)
+           Cave[x][y+1] = XbumperB;
+         Next[x][y] = Xblank;
+
+#ifdef SPRING_ROLL
+         Next[x+1][y] = Xspring_e;
+#else  
+         Next[x+1][y] = Xspring_pause;
 #endif
-                                       goto loop;
-                               }
-                               if(tab_blank[Cave[y][x-1]] && tab_acid[Cave[y+1][x-1]]) {
-                                       Cave[y][x] = Yspring_wB;
-                                       Cave[y][x-1] = Yspring_w;
-                                       if(Cave[y+1][x] == Xbumper) Cave[y+1][x] = XbumperB;
-                                       Next[y][x] = Xblank;
-#ifdef BAD_SPRING
-                                       Next[y][x-1] = Xspring_w;
+         return;
+       }
+
+       if (tab_blank[Cave[x-1][y]] && tab_acid[Cave[x-1][y+1]])
+       {
+         Cave[x][y] = Yspring_wB;
+         Cave[x-1][y] = Yspring_w;
+         if (Cave[x][y+1] == Xbumper)
+           Cave[x][y+1] = XbumperB;
+         Next[x][y] = Xblank;
+
+#ifdef SPRING_ROLL
+         Next[x-1][y] = Xspring_w;
 #else
-                                       Next[y][x-1] = Xspring_pause;
+         Next[x-1][y] = Xspring_pause;
 #endif
-                                       goto loop;
-                               }
-                       } else {
-                               if(tab_blank[Cave[y][x-1]] && tab_acid[Cave[y+1][x-1]]) {
-                                       Cave[y][x] = Yspring_wB;
-                                       Cave[y][x-1] = Yspring_w;
-                                       if(Cave[y+1][x] == Xbumper) Cave[y+1][x] = XbumperB;
-                                       Next[y][x] = Xblank;
-#ifdef BAD_SPRING
-                                       Next[y][x-1] = Xspring_w;
+         return;
+       }
+      }
+      else
+      {
+       if (tab_blank[Cave[x-1][y]] && tab_acid[Cave[x-1][y+1]])
+       {
+         Cave[x][y] = Yspring_wB;
+         Cave[x-1][y] = Yspring_w;
+         if (Cave[x][y+1] == Xbumper)
+           Cave[x][y+1] = XbumperB;
+         Next[x][y] = Xblank;
+
+#ifdef SPRING_ROLL
+         Next[x-1][y] = Xspring_w;
 #else
-                                       Next[y][x-1] = Xspring_pause;
+         Next[x-1][y] = Xspring_pause;
 #endif
-                                       goto loop;
-                               }
-                               if(tab_blank[Cave[y][x+1]] && tab_acid[Cave[y+1][x+1]]) {
-                                       Cave[y][x] = Yspring_eB;
-                                       Cave[y][x+1] = Yspring_e;
-                                       if(Cave[y+1][x] == Xbumper) Cave[y+1][x] = XbumperB;
-                                       Next[y][x] = Xblank;
-#ifdef BAD_SPRING
-                                       Next[y][x+1] = Xspring_e;
+         return;
+       }
+
+       if (tab_blank[Cave[x+1][y]] && tab_acid[Cave[x+1][y+1]])
+       {
+         Cave[x][y] = Yspring_eB;
+         Cave[x+1][y] = Yspring_e;
+         if (Cave[x][y+1] == Xbumper)
+           Cave[x][y+1] = XbumperB;
+         Next[x][y] = Xblank;
+
+#ifdef SPRING_ROLL
+         Next[x+1][y] = Xspring_e;
 #else
-                                       Next[y][x+1] = Xspring_pause;
+         Next[x+1][y] = Xspring_pause;
 #endif
-                                       goto loop;
-                               }
-                       }
-               default:
-                       goto loop;
-               }
-/* ---------------------------------------------------------------------- */
-       case Xspring_pause:
-               switch(Cave[y+1][x]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Yspring_sB;
-                       if(Cave[y][x+1] == Xblank) Cave[y][x+1] = Yacid_splash_eB;
-                       if(Cave[y][x-1] == Xblank) Cave[y][x-1] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-                       Cave[y][x] = Yspring_sB;
-                       Cave[y+1][x] = Yspring_s;
-                       Next[y][x] = Xblank;
-                       Next[y+1][x] = Xspring_fall;
-                       goto loop;
-               default:
-                       Cave[y][x] = Xspring;
-                       Next[y][x] = Xspring;
-                       goto loop;
-               }
-/* ---------------------------------------------------------------------- */
-       case Xspring_e:
-               switch(Cave[y+1][x]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Yspring_sB;
-                       if(Cave[y][x+1] == Xblank) Cave[y][x+1] = Yacid_splash_eB;
-                       if(Cave[y][x-1] == Xblank) Cave[y][x-1] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-                       Cave[y][x] = Yspring_sB;
-                       Cave[y+1][x] = Yspring_s;
-                       Next[y][x] = Xblank;
-                       Next[y+1][x] = Xspring_fall;
-                       goto loop;
-               case Xbumper:
-                       Cave[y+1][x] = XbumperB;
-               }
-               switch(Cave[y][x+1]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Yspring_eB;
-                       if(Cave[y-1][x+2] == Xblank) Cave[y-1][x+2] = Yacid_splash_eB;
-                       if(Cave[y-1][x] == Xblank) Cave[y-1][x] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-               case Yalien_nB:
-               case Yalien_eB:
-               case Yalien_sB:
-               case Yalien_wB:
-                       Cave[y][x] = Yspring_eB;
-                       Cave[y][x+1] = Yspring_e;
-                       Next[y][x] = Xblank;
-                       Next[y][x+1] = Xspring_e;
-                       goto loop;
-               case Xalien:
-               case Xalien_pause:
-               case Yalien_n:
-               case Yalien_e:
-               case Yalien_s:
-               case Yalien_w:
-                       Cave[y][x] = Yspring_kill_eB;
-                       Cave[y][x+1] = Yspring_kill_e;
-                       Next[y][x] = Xblank;
-                       Next[y][x+1] = Xspring_e;
-                       play[SAMPLE_slurp] = 1;
-                       score += lev.slurp_score;
-                       goto loop;
-               case Xbumper:
-               case XbumperB:
-                       Cave[y][x+1] = XbumperB;
-                       Next[y][x] = Xspring_w;
-                       PLAY(SAMPLE_spring);
-                       goto loop;
-               default:
-                       Cave[y][x] = Xspring;
-                       Next[y][x] = Xspring;
-                       PLAY(SAMPLE_spring);
-                       goto loop;
-               }
-/* ---------------------------------------------------------------------- */
-       case Xspring_w:
-               switch(Cave[y+1][x]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Yspring_sB;
-                       if(Cave[y][x+1] == Xblank) Cave[y][x+1] = Yacid_splash_eB;
-                       if(Cave[y][x-1] == Xblank) Cave[y][x-1] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-                       Cave[y][x] = Yspring_sB;
-                       Cave[y+1][x] = Yspring_s;
-                       Next[y][x] = Xblank;
-                       Next[y+1][x] = Xspring_fall;
-                       goto loop;
-               case Xbumper:
-                       Cave[y+1][x] = XbumperB;
-               }
-               switch(Cave[y][x-1]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Yspring_wB;
-                       if(Cave[y-1][x] == Xblank) Cave[y-1][x] = Yacid_splash_eB;
-                       if(Cave[y-1][x-2] == Xblank) Cave[y-1][x-2] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-               case Yalien_nB:
-               case Yalien_eB:
-               case Yalien_sB:
-               case Yalien_wB:
-                       Cave[y][x] = Yspring_wB;
-                       Cave[y][x-1] = Yspring_w;
-                       Next[y][x] = Xblank;
-                       Next[y][x-1] = Xspring_w;
-                       goto loop;
-               case Xalien:
-               case Xalien_pause:
-               case Yalien_n:
-               case Yalien_e:
-               case Yalien_s:
-               case Yalien_w:
-                       Cave[y][x] = Yspring_kill_wB;
-                       Cave[y][x-1] = Yspring_kill_w;
-                       Next[y][x] = Xblank;
-                       Next[y][x-1] = Xspring_w;
-                       play[SAMPLE_slurp] = 1;
-                       score += lev.slurp_score;
-                       goto loop;
-               case Xbumper:
-               case XbumperB:
-                       Cave[y][x-1] = XbumperB;
-                       Next[y][x] = Xspring_e;
-                       PLAY(SAMPLE_spring);
-                       goto loop;
-               default:
-                       Cave[y][x] = Xspring;
-                       Next[y][x] = Xspring;
-                       PLAY(SAMPLE_spring);
-                       goto loop;
-               }
-/* ---------------------------------------------------------------------- */
-       case Xspring_fall:
-               switch(Cave[y+1][x]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Yspring_sB;
-                       if(Cave[y][x+1] == Xblank) Cave[y][x+1] = Yacid_splash_eB;
-                       if(Cave[y][x-1] == Xblank) Cave[y][x-1] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-               case Zplayer:
-                       Cave[y][x] = Yspring_sB;
-                       Cave[y+1][x] = Yspring_s;
-                       Next[y][x] = Xblank;
-                       Next[y+1][x] = Xspring_fall;
-                       goto loop;
-               case Xbomb:
-               case Xbomb_pause:
-                       Cave[y+1][x] = Ybomb_eat;
-                       Next[y+1][x] = Znormal;
-                       Boom[y][x-1] = Xblank;
-                       Boom[y][x] = Xblank;
-                       Boom[y][x+1] = Xblank;
-                       Boom[y+1][x-1] = Xblank;
-                       Boom[y+1][x] = Xblank;
-                       Boom[y+1][x+1] = Xblank;
-                       Boom[y+2][x-1] = Xblank;
-                       Boom[y+2][x] = Xblank;
-                       Boom[y+2][x+1] = Xblank;
-                       goto loop;
-               case Xbug_n:
-               case Xbug_e:
-               case Xbug_s:
-               case Xbug_w:
-               case Xbug_gon:
-               case Xbug_goe:
-               case Xbug_gos:
-               case Xbug_gow:
-                       Cave[y][x] = Yspring_sB;
-                       Cave[y+1][x] = Ybug_spring;
-                       Next[y+1][x] = Znormal;
-                       Boom[y][x-1] = Xemerald;
-                       Boom[y][x] = Xemerald;
-                       Boom[y][x+1] = Xemerald;
-                       Boom[y+1][x-1] = Xemerald;
-                       Boom[y+1][x] = Xdiamond;
-                       Boom[y+1][x+1] = Xemerald;
-                       Boom[y+2][x-1] = Xemerald;
-                       Boom[y+2][x] = Xemerald;
-                       Boom[y+2][x+1] = Xemerald;
-                       score += lev.bug_score;
-                       goto loop;
-               case Xtank_n:
-               case Xtank_e:
-               case Xtank_s:
-               case Xtank_w:
-               case Xtank_gon:
-               case Xtank_goe:
-               case Xtank_gos:
-               case Xtank_gow:
-                       Cave[y][x] = Yspring_sB;
-                       Cave[y+1][x] = Ytank_spring;
-                       Next[y+1][x] = Znormal;
-                       Boom[y][x-1] = Xblank;
-                       Boom[y][x] = Xblank;
-                       Boom[y][x+1] = Xblank;
-                       Boom[y+1][x-1] = Xblank;
-                       Boom[y+1][x] = Xblank;
-                       Boom[y+1][x+1] = Xblank;
-                       Boom[y+2][x-1] = Xblank;
-                       Boom[y+2][x] = Xblank;
-                       Boom[y+2][x+1] = Xblank;
-                       score += lev.tank_score;
-                       goto loop;
-               case Xeater_n:
-               case Xeater_e:
-               case Xeater_s:
-               case Xeater_w:
-                       Cave[y][x] = Yspring_sB;
-                       Cave[y+1][x] = Yeater_spring;
-                       Next[y+1][x] = Znormal;
-                       Boom[y][x-1] = lev.eater_array[lev.eater_pos][0];
-                       Boom[y][x] = lev.eater_array[lev.eater_pos][1];
-                       Boom[y][x+1] = lev.eater_array[lev.eater_pos][2];
-                       Boom[y+1][x-1] = lev.eater_array[lev.eater_pos][3];
-                       Boom[y+1][x] = lev.eater_array[lev.eater_pos][4];
-                       Boom[y+1][x+1] = lev.eater_array[lev.eater_pos][5];
-                       Boom[y+2][x-1] = lev.eater_array[lev.eater_pos][6];
-                       Boom[y+2][x] = lev.eater_array[lev.eater_pos][7];
-                       Boom[y+2][x+1] = lev.eater_array[lev.eater_pos][8];
-                       lev.eater_pos = (lev.eater_pos + 1) & 7;
-                       score += lev.eater_score;
-                       goto loop;
-               case Xalien:
-               case Xalien_pause:
-                       Cave[y][x] = Yspring_sB;
-                       Cave[y+1][x] = Yalien_spring;
-                       Next[y+1][x] = Znormal;
-                       Boom[y][x-1] = Xblank;
-                       Boom[y][x] = Xblank;
-                       Boom[y][x+1] = Xblank;
-                       Boom[y+1][x-1] = Xblank;
-                       Boom[y+1][x] = Xblank;
-                       Boom[y+1][x+1] = Xblank;
-                       Boom[y+2][x-1] = Xblank;
-                       Boom[y+2][x] = Xblank;
-                       Boom[y+2][x+1] = Xblank;
-                       score += lev.alien_score;
-                       goto loop;
-               default:
-                       Cave[y][x] = Xspring;
-                       Next[y][x] = Xspring;
-                       PLAY(SAMPLE_spring);
-                       goto loop;
-               }
-/* ---------------------------------------------------------------------- */
-       case Xeater_n:
-               if(Cave[y][x+1] == Xdiamond) {
-                       Cave[y][x+1] = Ydiamond_eat;
-                       Next[y][x+1] = Xblank;
-                       play[SAMPLE_eater] = 1;
-                       goto loop;
-               }
-               if(Cave[y+1][x] == Xdiamond) {
-                       Cave[y+1][x] = Ydiamond_eat;
-                       Next[y+1][x] = Xblank;
-                       play[SAMPLE_eater] = 1;
-                       goto loop;
-               }
-               if(Cave[y][x-1] == Xdiamond) {
-                       Cave[y][x-1] = Ydiamond_eat;
-                       Next[y][x-1] = Xblank;
-                       play[SAMPLE_eater] = 1;
-                       goto loop;
-               }
-               if(Cave[y-1][x] == Xdiamond) {
-                       Cave[y-1][x] = Ydiamond_eat;
-                       Next[y-1][x] = Xblank;
-                       play[SAMPLE_eater] = 1;
-                       goto loop;
-               }
-               switch(Cave[y-1][x]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Yeater_nB;
-                       if(Cave[y-2][x+1] == Xblank) Cave[y-2][x+1] = Yacid_splash_eB;
-                       if(Cave[y-2][x-1] == Xblank) Cave[y-2][x-1] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-               case Xplant:
-               case Yplant:
-               case Zplayer:
-                       Cave[y][x] = Yeater_nB;
-                       Cave[y-1][x] = Yeater_n;
-                       Next[y][x] = Xblank;
-                       Next[y-1][x] = Xeater_n;
-                       goto loop;
-               default:
-                       Next[y][x] = RANDOM & 1 ? Xeater_e : Xeater_w;
-                       PLAY(SAMPLE_eater);
-                       goto loop;
-               }
-/* ---------------------------------------------------------------------- */
-       case Xeater_e:
-               if(Cave[y+1][x] == Xdiamond) {
-                       Cave[y+1][x] = Ydiamond_eat;
-                       Next[y+1][x] = Xblank;
-                       play[SAMPLE_eater] = 1;
-                       goto loop;
-               }
-               if(Cave[y][x-1] == Xdiamond) {
-                       Cave[y][x-1] = Ydiamond_eat;
-                       Next[y][x-1] = Xblank;
-                       play[SAMPLE_eater] = 1;
-                       goto loop;
-               }
-               if(Cave[y-1][x] == Xdiamond) {
-                       Cave[y-1][x] = Ydiamond_eat;
-                       Next[y-1][x] = Xblank;
-                       play[SAMPLE_eater] = 1;
-                       goto loop;
-               }
-               if(Cave[y][x+1] == Xdiamond) {
-                       Cave[y][x+1] = Ydiamond_eat;
-                       Next[y][x+1] = Xblank;
-                       play[SAMPLE_eater] = 1;
-                       goto loop;
-               }
-               switch(Cave[y][x+1]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Yeater_eB;
-                       if(Cave[y-1][x+2] == Xblank) Cave[y-1][x+2] = Yacid_splash_eB;
-                       if(Cave[y-1][x] == Xblank) Cave[y-1][x] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-               case Xplant:
-               case Yplant:
-               case Zplayer:
-                       Cave[y][x] = Yeater_eB;
-                       Cave[y][x+1] = Yeater_e;
-                       Next[y][x] = Xblank;
-                       Next[y][x+1] = Xeater_e;
-                       goto loop;
-               default:
-                       Next[y][x] = RANDOM & 1 ? Xeater_n : Xeater_s;
-                       PLAY(SAMPLE_eater);
-                       goto loop;
-               }
-/* ---------------------------------------------------------------------- */
-       case Xeater_s:
-               if(Cave[y][x-1] == Xdiamond) {
-                       Cave[y][x-1] = Ydiamond_eat;
-                       Next[y][x-1] = Xblank;
-                       play[SAMPLE_eater] = 1;
-                       goto loop;
-               }
-               if(Cave[y-1][x] == Xdiamond) {
-                       Cave[y-1][x] = Ydiamond_eat;
-                       Next[y-1][x] = Xblank;
-                       play[SAMPLE_eater] = 1;
-                       goto loop;
-               }
-               if(Cave[y][x+1] == Xdiamond) {
-                       Cave[y][x+1] = Ydiamond_eat;
-                       Next[y][x+1] = Xblank;
-                       play[SAMPLE_eater] = 1;
-                       goto loop;
-               }
-               if(Cave[y+1][x] == Xdiamond) {
-                       Cave[y+1][x] = Ydiamond_eat;
-                       Next[y+1][x] = Xblank;
-                       play[SAMPLE_eater] = 1;
-                       goto loop;
-               }
-               switch(Cave[y+1][x]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Yeater_sB;
-                       if(Cave[y][x+1] == Xblank) Cave[y][x+1] = Yacid_splash_eB;
-                       if(Cave[y][x-1] == Xblank) Cave[y][x-1] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-               case Xplant:
-               case Yplant:
-               case Zplayer:
-                       Cave[y][x] = Yeater_sB;
-                       Cave[y+1][x] = Yeater_s;
-                       Next[y][x] = Xblank;
-                       Next[y+1][x] = Xeater_s;
-                       goto loop;
-               default:
-                       Next[y][x] = RANDOM & 1 ? Xeater_e : Xeater_w;
-                       PLAY(SAMPLE_eater);
-                       goto loop;
-               }
-/* ---------------------------------------------------------------------- */
-       case Xeater_w:
-               if(Cave[y-1][x] == Xdiamond) {
-                       Cave[y-1][x] = Ydiamond_eat;
-                       Next[y-1][x] = Xblank;
-                       play[SAMPLE_eater] = 1;
-                       goto loop;
-               }
-               if(Cave[y][x+1] == Xdiamond) {
-                       Cave[y][x+1] = Ydiamond_eat;
-                       Next[y][x+1] = Xblank;
-                       play[SAMPLE_eater] = 1;
-                       goto loop;
-               }
-               if(Cave[y+1][x] == Xdiamond) {
-                       Cave[y+1][x] = Ydiamond_eat;
-                       Next[y+1][x] = Xblank;
-                       play[SAMPLE_eater] = 1;
-                       goto loop;
-               }
-               if(Cave[y][x-1] == Xdiamond) {
-                       Cave[y][x-1] = Ydiamond_eat;
-                       Next[y][x-1] = Xblank;
-                       play[SAMPLE_eater] = 1;
-                       goto loop;
-               }
-               switch(Cave[y][x-1]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Yeater_wB;
-                       if(Cave[y-1][x] == Xblank) Cave[y-1][x] = Yacid_splash_eB;
-                       if(Cave[y-1][x-2] == Xblank) Cave[y-1][x-2] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-               case Xplant:
-               case Yplant:
-               case Zplayer:
-                       Cave[y][x] = Yeater_wB;
-                       Cave[y][x-1] = Yeater_w;
-                       Next[y][x] = Xblank;
-                       Next[y][x-1] = Xeater_w;
-                       goto loop;
-               default:
-                       Next[y][x] = RANDOM & 1 ? Xeater_n : Xeater_s;
-                       PLAY(SAMPLE_eater);
-                       goto loop;
-               }
-/* ---------------------------------------------------------------------- */
-       case Xalien:
-               if(lev.wheel_cnt) {
-                       dx = lev.wheel_x;
-                       dy = lev.wheel_y;
-               } else if(ply1.alive && ply2.alive) {
-                       if( (ply1.x > x ? ply1.x - x : x - ply1.x) + (ply1.y > y ? ply1.y - y : y - ply1.y) < (ply2.x > x ? ply2.x - x : x - ply2.x) + (ply2.y > y ? ply2.y - y : y - ply2.y) ) {
-                               dx = ply1.x;
-                               dy = ply1.y;
-                       } else {
-                               dx = ply2.x;
-                               dy = ply2.y;
-                       }
-               } else if(ply1.alive) {
-                       dx = ply1.x;
-                       dy = ply1.y;
-               } else if(ply2.alive) {
-                       dx = ply2.x;
-                       dy = ply2.y;
-               } else {
-                       dx = 0;
-                       dy = 0;
-               }
-               if(RANDOM & 1) {
-                       if(y > dy) {
-                               switch(Cave[y-1][x]) {
-                               case Xacid_1:
-                               case Xacid_2:
-                               case Xacid_3:
-                               case Xacid_4:
-                               case Xacid_5:
-                               case Xacid_6:
-                               case Xacid_7:
-                               case Xacid_8:
-                                       Cave[y][x] = Yalien_nB;
-                                       if(Cave[y-2][x+1] == Xblank) Cave[y-2][x+1] = Yacid_splash_eB;
-                                       if(Cave[y-2][x-1] == Xblank) Cave[y-2][x-1] = Yacid_splash_wB;
-                                       Next[y][x] = Xblank;
-                                       PLAY(SAMPLE_acid);
-                                       goto loop;
-                               case Xblank:
-                               case Yacid_splash_eB:
-                               case Yacid_splash_wB:
-                               case Xplant:
-                               case Yplant:
-                               case Zplayer:
-                                       Cave[y][x] = Yalien_nB;
-                                       Cave[y-1][x] = Yalien_n;
-                                       Next[y][x] = Xblank;
-                                       Next[y-1][x] = Xalien_pause;
-                                       PLAY(SAMPLE_alien);
-                                       goto loop;
-                               }
-                       } else if(y < dy) {
-                               switch(Cave[y+1][x]) {
-                               case Xacid_1:
-                               case Xacid_2:
-                               case Xacid_3:
-                               case Xacid_4:
-                               case Xacid_5:
-                               case Xacid_6:
-                               case Xacid_7:
-                               case Xacid_8:
-                                       Cave[y][x] = Yalien_sB;
-                                       Next[y][x] = Xblank;
-                                       if(Cave[y][x+1] == Xblank) Cave[y][x+1] = Yacid_splash_eB;
-                                       if(Cave[y][x-1] == Xblank) Cave[y][x-1] = Yacid_splash_wB;
-                                       PLAY(SAMPLE_acid);
-                                       goto loop;
-                               case Xblank:
-                               case Yacid_splash_eB:
-                               case Yacid_splash_wB:
-                               case Xplant:
-                               case Yplant:
-                               case Zplayer:
-                                       Cave[y][x] = Yalien_sB;
-                                       Cave[y+1][x] = Yalien_s;
-                                       Next[y][x] = Xblank;
-                                       Next[y+1][x] = Xalien_pause;
-                                       PLAY(SAMPLE_alien);
-                                       goto loop;
-                               }
-                       }
-               } else {
-                       if(x < dx) {
-                               switch(Cave[y][x+1]) {
-                               case Xacid_1:
-                               case Xacid_2:
-                               case Xacid_3:
-                               case Xacid_4:
-                               case Xacid_5:
-                               case Xacid_6:
-                               case Xacid_7:
-                               case Xacid_8:
-                                       Cave[y][x] = Yalien_eB;
-                                       if(Cave[y-1][x+2] == Xblank) Cave[y-1][x+2] = Yacid_splash_eB;
-                                       if(Cave[y-1][x] == Xblank) Cave[y-1][x] = Yacid_splash_wB;
-                                       Next[y][x] = Xblank;
-                                       PLAY(SAMPLE_acid);
-                                       goto loop;
-                               case Xblank:
-                               case Yacid_splash_eB:
-                               case Yacid_splash_wB:
-                               case Xplant:
-                               case Yplant:
-                               case Zplayer:
-                                       Cave[y][x] = Yalien_eB;
-                                       Cave[y][x+1] = Yalien_e;
-                                       Next[y][x] = Xblank;
-                                       Next[y][x+1] = Xalien_pause;
-                                       PLAY(SAMPLE_alien);
-                                       goto loop;
-                               }
-                       } else if(x > dx) {
-                               switch(Cave[y][x-1]) {
-                               case Xacid_1:
-                               case Xacid_2:
-                               case Xacid_3:
-                               case Xacid_4:
-                               case Xacid_5:
-                               case Xacid_6:
-                               case Xacid_7:
-                               case Xacid_8:
-                                       Cave[y][x] = Yalien_wB;
-                                       if(Cave[y-1][x] == Xblank) Cave[y-1][x] = Yacid_splash_eB;
-                                       if(Cave[y-1][x-2] == Xblank) Cave[y-1][x-2] = Yacid_splash_wB;
-                                       Next[y][x] = Xblank;
-                                       PLAY(SAMPLE_acid);
-                                       goto loop;
-                               case Xblank:
-                               case Yacid_splash_eB:
-                               case Yacid_splash_wB:
-                               case Xplant:
-                               case Yplant:
-                               case Zplayer:
-                                       Cave[y][x] = Yalien_wB;
-                                       Cave[y][x-1] = Yalien_w;
-                                       Next[y][x] = Xblank;
-                                       Next[y][x-1] = Xalien_pause;
-                                       PLAY(SAMPLE_alien);
-                                       goto loop;
-                               }
-                       }
-               }
-               goto loop;
-       case Xalien_pause:
-               Next[y][x] = Xalien;
-               goto loop;
-/* ---------------------------------------------------------------------- */
-       case Xemerald:
-               switch(Cave[y+1][x]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Yemerald_sB;
-                       if(Cave[y][x+1] == Xblank) Cave[y][x+1] = Yacid_splash_eB;
-                       if(Cave[y][x-1] == Xblank) Cave[y][x-1] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-                       Cave[y][x] = Yemerald_sB;
-                       Cave[y+1][x] = Yemerald_s;
-                       Next[y][x] = Xblank;
-                       Next[y+1][x] = Xemerald_fall;
-                       goto loop;
-               case Xspring:
-               case Xspring_pause:
-               case Xspring_e:
-               case Xspring_w:
-               case Xandroid:
-               case Xandroid_1_n:
-               case Xandroid_2_n:
-               case Xandroid_1_e:
-               case Xandroid_2_e:
-               case Xandroid_1_s:
-               case Xandroid_2_s:
-               case Xandroid_1_w:
-               case Xandroid_2_w:
-               case Xstone:
-               case Xstone_pause:
-               case Xemerald:
-               case Xemerald_pause:
-               case Xdiamond:
-               case Xdiamond_pause:
-               case Xbomb:
-               case Xbomb_pause:
-               case Xballoon:
-               case Xacid_ne:
-               case Xacid_nw:
-               case Xball_1:
-               case Xball_2:
-               case Xnut:
-               case Xnut_pause:
-               case Xgrow_ns:
-               case Xgrow_ew:
-               case Xwonderwall:
-               case Xkey_1:
-               case Xkey_2:
-               case Xkey_3:
-               case Xkey_4:
-               case Xkey_5:
-               case Xkey_6:
-               case Xkey_7:
-               case Xkey_8:
-               case Xbumper:
-               case Xswitch:
-               case Xsteel_1:
-               case Xsteel_2:
-               case Xsteel_3:
-               case Xsteel_4:
-               case Xwall_1:
-               case Xwall_2:
-               case Xwall_3:
-               case Xwall_4:
-               case Xround_wall_1:
-               case Xround_wall_2:
-               case Xround_wall_3:
-               case Xround_wall_4:
-                       if(RANDOM & 1) {
-                               if(tab_blank[Cave[y][x+1]] && tab_acid[Cave[y+1][x+1]]) {
-                                       Cave[y][x] = Yemerald_eB;
-                                       Cave[y][x+1] = Yemerald_e;
-                                       Next[y][x] = Xblank;
-                                       Next[y][x+1] = Xemerald_pause;
-                                       goto loop;
-                               }
-                               if(tab_blank[Cave[y][x-1]] && tab_acid[Cave[y+1][x-1]]) {
-                                       Cave[y][x] = Yemerald_wB;
-                                       Cave[y][x-1] = Yemerald_w;
-                                       Next[y][x] = Xblank;
-                                       Next[y][x-1] = Xemerald_pause;
-                                       goto loop;
-                               }
-                       } else {
-                               if(tab_blank[Cave[y][x-1]] && tab_acid[Cave[y+1][x-1]]) {
-                                       Cave[y][x] = Yemerald_wB;
-                                       Cave[y][x-1] = Yemerald_w;
-                                       Next[y][x] = Xblank;
-                                       Next[y][x-1] = Xemerald_pause;
-                                       goto loop;
-                               }
-                               if(tab_blank[Cave[y][x+1]] && tab_acid[Cave[y+1][x+1]]) {
-                                       Cave[y][x] = Yemerald_eB;
-                                       Cave[y][x+1] = Yemerald_e;
-                                       Next[y][x] = Xblank;
-                                       Next[y][x+1] = Xemerald_pause;
-                                       goto loop;
-                               }
-                       }
-               default:
-                       if(++lev.shine_cnt > 50) {
-                               lev.shine_cnt = RANDOM & 7;
-                               Cave[y][x] = Xemerald_shine;
-                       }
-                       goto loop;
-               }
-/* ---------------------------------------------------------------------- */
-       case Xemerald_pause:
-               switch(Cave[y+1][x]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Yemerald_sB;
-                       if(Cave[y][x+1] == Xblank) Cave[y][x+1] = Yacid_splash_eB;
-                       if(Cave[y][x-1] == Xblank) Cave[y][x-1] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-                       Cave[y][x] = Yemerald_sB;
-                       Cave[y+1][x] = Yemerald_s;
-                       Next[y][x] = Xblank;
-                       Next[y+1][x] = Xemerald_fall;
-                       goto loop;
-               default:
-                       Cave[y][x] = Xemerald;
-                       Next[y][x] = Xemerald;
-                       goto loop;
-               }
-/* ---------------------------------------------------------------------- */
-       case Xemerald_fall:
-               switch(Cave[y+1][x]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Yemerald_sB;
-                       if(Cave[y][x+1] == Xblank) Cave[y][x+1] = Yacid_splash_eB;
-                       if(Cave[y][x-1] == Xblank) Cave[y][x-1] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-               case Zplayer:
-                       Cave[y][x] = Yemerald_sB;
-                       Cave[y+1][x] = Yemerald_s;
-                       Next[y][x] = Xblank;
-                       Next[y+1][x] = Xemerald_fall;
-                       goto loop;
-               case Xwonderwall:
-                       if(lev.wonderwall_time) {
-                               lev.wonderwall_state = 1;
-                               Cave[y][x] = Yemerald_sB;
-                               if(tab_blank[Cave[y+2][x]]) {
-                                       Cave[y+2][x] = Ydiamond_s;
-                                       Next[y+2][x] = Xdiamond_fall;
-                               }
-                               Next[y][x] = Xblank;
-                               play[SAMPLE_squash] = 1;
-                               goto loop;
-                       }
-               default:
-                       Cave[y][x] = Xemerald;
-                       Next[y][x] = Xemerald;
-                       PLAY(SAMPLE_diamond);
-                       goto loop;
-               }
-/* ---------------------------------------------------------------------- */
-       case Xdiamond:
-               switch(Cave[y+1][x]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Ydiamond_sB;
-                       if(Cave[y][x+1] == Xblank) Cave[y][x+1] = Yacid_splash_eB;
-                       if(Cave[y][x-1] == Xblank) Cave[y][x-1] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-                       Cave[y][x] = Ydiamond_sB;
-                       Cave[y+1][x] = Ydiamond_s;
-                       Next[y][x] = Xblank;
-                       Next[y+1][x] = Xdiamond_fall;
-                       goto loop;
-               case Xspring:
-               case Xspring_pause:
-               case Xspring_e:
-               case Xspring_w:
-               case Xandroid:
-               case Xandroid_1_n:
-               case Xandroid_2_n:
-               case Xandroid_1_e:
-               case Xandroid_2_e:
-               case Xandroid_1_s:
-               case Xandroid_2_s:
-               case Xandroid_1_w:
-               case Xandroid_2_w:
-               case Xstone:
-               case Xstone_pause:
-               case Xemerald:
-               case Xemerald_pause:
-               case Xdiamond:
-               case Xdiamond_pause:
-               case Xbomb:
-               case Xbomb_pause:
-               case Xballoon:
-               case Xacid_ne:
-               case Xacid_nw:
-               case Xball_1:
-               case Xball_2:
-               case Xnut:
-               case Xnut_pause:
-               case Xgrow_ns:
-               case Xgrow_ew:
-               case Xwonderwall:
-               case Xkey_1:
-               case Xkey_2:
-               case Xkey_3:
-               case Xkey_4:
-               case Xkey_5:
-               case Xkey_6:
-               case Xkey_7:
-               case Xkey_8:
-               case Xbumper:
-               case Xswitch:
-               case Xsteel_1:
-               case Xsteel_2:
-               case Xsteel_3:
-               case Xsteel_4:
-               case Xwall_1:
-               case Xwall_2:
-               case Xwall_3:
-               case Xwall_4:
-               case Xround_wall_1:
-               case Xround_wall_2:
-               case Xround_wall_3:
-               case Xround_wall_4:
-                       if(RANDOM & 1) {
-                               if(tab_blank[Cave[y][x+1]] && tab_acid[Cave[y+1][x+1]]) {
-                                       Cave[y][x] = Ydiamond_eB;
-                                       Cave[y][x+1] = Ydiamond_e;
-                                       Next[y][x] = Xblank;
-                                       Next[y][x+1] = Xdiamond_pause;
-                                       goto loop;
-                               }
-                               if(tab_blank[Cave[y][x-1]] && tab_acid[Cave[y+1][x-1]]) {
-                                       Cave[y][x] = Ydiamond_wB;
-                                       Cave[y][x-1] = Ydiamond_w;
-                                       Next[y][x] = Xblank;
-                                       Next[y][x-1] = Xdiamond_pause;
-                                       goto loop;
-                               }
-                       } else {
-                               if(tab_blank[Cave[y][x-1]] && tab_acid[Cave[y+1][x-1]]) {
-                                       Cave[y][x] = Ydiamond_wB;
-                                       Cave[y][x-1] = Ydiamond_w;
-                                       Next[y][x] = Xblank;
-                                       Next[y][x-1] = Xdiamond_pause;
-                                       goto loop;
-                               }
-                               if(tab_blank[Cave[y][x+1]] && tab_acid[Cave[y+1][x+1]]) {
-                                       Cave[y][x] = Ydiamond_eB;
-                                       Cave[y][x+1] = Ydiamond_e;
-                                       Next[y][x] = Xblank;
-                                       Next[y][x+1] = Xdiamond_pause;
-                                       goto loop;
-                               }
-                       }
-               default:
-                       if(++lev.shine_cnt > 50) {
-                               lev.shine_cnt = RANDOM & 7;
-                               Cave[y][x] = Xdiamond_shine;
-                       }
-                       goto loop;
-               }
-/* ---------------------------------------------------------------------- */
-       case Xdiamond_pause:
-               switch(Cave[y+1][x]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Ydiamond_sB;
-                       if(Cave[y][x+1] == Xblank) Cave[y][x+1] = Yacid_splash_eB;
-                       if(Cave[y][x-1] == Xblank) Cave[y][x-1] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-                       Cave[y][x] = Ydiamond_sB;
-                       Cave[y+1][x] = Ydiamond_s;
-                       Next[y][x] = Xblank;
-                       Next[y+1][x] = Xdiamond_fall;
-                       goto loop;
-               default:
-                       Cave[y][x] = Xdiamond;
-                       Next[y][x] = Xdiamond;
-                       goto loop;
-               }
-/* ---------------------------------------------------------------------- */
-       case Xdiamond_fall:
-               switch(Cave[y+1][x]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Ydiamond_sB;
-                       if(Cave[y][x+1] == Xblank) Cave[y][x+1] = Yacid_splash_eB;
-                       if(Cave[y][x-1] == Xblank) Cave[y][x-1] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-               case Zplayer:
-                       Cave[y][x] = Ydiamond_sB;
-                       Cave[y+1][x] = Ydiamond_s;
-                       Next[y][x] = Xblank;
-                       Next[y+1][x] = Xdiamond_fall;
-                       goto loop;
-               case Xwonderwall:
-                       if(lev.wonderwall_time) {
-                               lev.wonderwall_state = 1;
-                               Cave[y][x] = Ydiamond_sB;
-                               if(tab_blank[Cave[y+2][x]]) {
-                                       Cave[y+2][x] = Ystone_s;
-                                       Next[y+2][x] = Xstone_fall;
-                               }
-                               Next[y][x] = Xblank;
-                               play[SAMPLE_squash] = 1;
-                               goto loop;
-                       }
-               default:
-                       Cave[y][x] = Xdiamond;
-                       Next[y][x] = Xdiamond;
-                       PLAY(SAMPLE_diamond);
-                       goto loop;
-               }
-/* ---------------------------------------------------------------------- */
-       case Xdrip_fall:
-               switch(Cave[y+1][x]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Ydrip_s1B;
-                       if(Cave[y][x+1] == Xblank) Cave[y][x+1] = Yacid_splash_eB;
-                       if(Cave[y][x-1] == Xblank) Cave[y][x-1] = Yacid_splash_wB;
-                       Next[y][x] = Xdrip_stretchB;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-               case Xplant:
-               case Yplant:
-               case Zplayer:
-                       Cave[y][x] = Ydrip_s1B;
-                       Cave[y+1][x] = Ydrip_s1;
-                       Next[y][x] = Xdrip_stretchB;
-                       Next[y+1][x] = Xdrip_stretch;
-                       goto loop;
-               default:
-                       switch(RANDOM & 7) {
-                       case 0: temp = Xameuba_1; break;
-                       case 1: temp = Xameuba_2; break;
-                       case 2: temp = Xameuba_3; break;
-                       case 3: temp = Xameuba_4; break;
-                       case 4: temp = Xameuba_5; break;
-                       case 5: temp = Xameuba_6; break;
-                       case 6: temp = Xameuba_7; break;
-                       case 7: temp = Xameuba_8; break;
-                       }
-                       Cave[y][x] = temp;
-                       Next[y][x] = temp;
-                       play[SAMPLE_drip] = 1;
-                       goto loop;
-               }
-/* ---------------------------------------------------------------------- */
-       case Xdrip_stretch:
-               Cave[y][x] = Ydrip_s2;
-               Next[y][x] = Xdrip_fall;
-               goto loop;
-       case Xdrip_stretchB:
-               Cave[y][x] = Ydrip_s2B;
-               Next[y][x] = Xblank;
-               goto loop;
-       case Xdrip_eat:
-               Next[y][x] = Xdrip_fall;
-               goto loop;
-/* ---------------------------------------------------------------------- */
-       case Xbomb:
-               switch(Cave[y+1][x]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Ybomb_sB;
-                       if(Cave[y][x+1] == Xblank) Cave[y][x+1] = Yacid_splash_eB;
-                       if(Cave[y][x-1] == Xblank) Cave[y][x-1] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-                       Cave[y][x] = Ybomb_sB;
-                       Cave[y+1][x] = Ybomb_s;
-                       Next[y][x] = Xblank;
-                       Next[y+1][x] = Xbomb_fall;
-                       goto loop;
-               case Xspring:
-               case Xspring_pause:
-               case Xspring_e:
-               case Xspring_w:
-               case Xandroid:
-               case Xandroid_1_n:
-               case Xandroid_2_n:
-               case Xandroid_1_e:
-               case Xandroid_2_e:
-               case Xandroid_1_s:
-               case Xandroid_2_s:
-               case Xandroid_1_w:
-               case Xandroid_2_w:
-               case Xstone:
-               case Xstone_pause:
-               case Xemerald:
-               case Xemerald_pause:
-               case Xdiamond:
-               case Xdiamond_pause:
-               case Xbomb:
-               case Xbomb_pause:
-               case Xballoon:
-               case Xacid_ne:
-               case Xacid_nw:
-               case Xball_1:
-               case Xball_2:
-               case Xnut:
-               case Xnut_pause:
-               case Xgrow_ns:
-               case Xgrow_ew:
-               case Xkey_1:
-               case Xkey_2:
-               case Xkey_3:
-               case Xkey_4:
-               case Xkey_5:
-               case Xkey_6:
-               case Xkey_7:
-               case Xkey_8:
-               case Xbumper:
-               case Xswitch:
-               case Xround_wall_1:
-               case Xround_wall_2:
-               case Xround_wall_3:
-               case Xround_wall_4:
-                       if(RANDOM & 1) {
-                               if(tab_blank[Cave[y][x+1]] && tab_acid[Cave[y+1][x+1]]) {
-                                       Cave[y][x] = Ybomb_eB;
-                                       Cave[y][x+1] = Ybomb_e;
-                                       Next[y][x] = Xblank;
-                                       Next[y][x+1] = Xbomb_pause;
-                                       goto loop;
-                               }
-                               if(tab_blank[Cave[y][x-1]] && tab_acid[Cave[y+1][x-1]]) {
-                                       Cave[y][x] = Ybomb_wB;
-                                       Cave[y][x-1] = Ybomb_w;
-                                       Next[y][x] = Xblank;
-                                       Next[y][x-1] = Xbomb_pause;
-                                       goto loop;
-                               }
-                       } else {
-                               if(tab_blank[Cave[y][x-1]] && tab_acid[Cave[y+1][x-1]]) {
-                                       Cave[y][x] = Ybomb_wB;
-                                       Cave[y][x-1] = Ybomb_w;
-                                       Next[y][x] = Xblank;
-                                       Next[y][x-1] = Xbomb_pause;
-                                       goto loop;
-                               }
-                               if(tab_blank[Cave[y][x+1]] && tab_acid[Cave[y+1][x+1]]) {
-                                       Cave[y][x] = Ybomb_eB;
-                                       Cave[y][x+1] = Ybomb_e;
-                                       Next[y][x] = Xblank;
-                                       Next[y][x+1] = Xbomb_pause;
-                                       goto loop;
-                               }
-                       }
-               default:
-                       goto loop;
-               }
-/* ---------------------------------------------------------------------- */
-       case Xbomb_pause:
-               switch(Cave[y+1][x]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Ybomb_sB;
-                       if(Cave[y][x+1] == Xblank) Cave[y][x+1] = Yacid_splash_eB;
-                       if(Cave[y][x-1] == Xblank) Cave[y][x-1] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-                       Cave[y][x] = Ybomb_sB;
-                       Cave[y+1][x] = Ybomb_s;
-                       Next[y][x] = Xblank;
-                       Next[y+1][x] = Xbomb_fall;
-                       goto loop;
-               default:
-                       Cave[y][x] = Xbomb;
-                       Next[y][x] = Xbomb;
-                       goto loop;
-               }
-/* ---------------------------------------------------------------------- */
-       case Xbomb_fall:
-               switch(Cave[y+1][x]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Ybomb_sB;
-                       if(Cave[y][x+1] == Xblank) Cave[y][x+1] = Yacid_splash_eB;
-                       if(Cave[y][x-1] == Xblank) Cave[y][x-1] = Yacid_splash_wB;
-                       Next[y][x] = Xblank;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-                       Cave[y][x] = Ybomb_sB;
-                       Cave[y+1][x] = Ybomb_s;
-                       Next[y][x] = Xblank;
-                       Next[y+1][x] = Xbomb_fall;
-                       goto loop;
-               default:
-                       Cave[y][x] = Ybomb_eat;
-                       Next[y][x] = Znormal;
-                       Boom[y-1][x-1] = Xblank;
-                       Boom[y-1][x] = Xblank;
-                       Boom[y-1][x+1] = Xblank;
-                       Boom[y][x-1] = Xblank;
-                       Boom[y][x] = Xblank;
-                       Boom[y][x+1] = Xblank;
-                       Boom[y+1][x-1] = Xblank;
-                       Boom[y+1][x] = Xblank;
-                       Boom[y+1][x+1] = Xblank;
-                       goto loop;
-               }
-/* ---------------------------------------------------------------------- */
-       case Xballoon:
-               if(lev.wind_cnt == 0) goto loop;
-               switch(lev.wind_direction) {
-               case 0: /* north */
-                       switch(Cave[y-1][x]) {
-                       case Xacid_1:
-                       case Xacid_2:
-                       case Xacid_3:
-                       case Xacid_4:
-                       case Xacid_5:
-                       case Xacid_6:
-                       case Xacid_7:
-                       case Xacid_8:
-                               Cave[y][x] = Yballoon_nB;
-                               if(Cave[y-2][x+1] == Xblank) Cave[y-2][x+1] = Yacid_splash_eB;
-                               if(Cave[y-2][x-1] == Xblank) Cave[y-2][x-1] = Yacid_splash_wB;
-                               Next[y][x] = Xblank;
-                               PLAY(SAMPLE_acid);
-                               goto loop;
-                       case Xblank:
-                       case Yacid_splash_eB:
-                       case Yacid_splash_wB:
-                               Cave[y][x] = Yballoon_nB;
-                               Cave[y-1][x] = Yballoon_n;
-                               Next[y][x] = Xblank;
-                               Next[y-1][x] = Xballoon;
-                               goto loop;
-                       default:
-                               goto loop;
-                       }
-               case 1: /* east */
-                       switch(Cave[y][x+1]) {
-                       case Xacid_1:
-                       case Xacid_2:
-                       case Xacid_3:
-                       case Xacid_4:
-                       case Xacid_5:
-                       case Xacid_6:
-                       case Xacid_7:
-                       case Xacid_8:
-                               Cave[y][x] = Yballoon_eB;
-                               if(Cave[y-1][x+2] == Xblank) Cave[y-1][x+2] = Yacid_splash_eB;
-                               if(Cave[y-1][x] == Xblank) Cave[y-1][x] = Yacid_splash_wB;
-                               Next[y][x] = Xblank;
-                               PLAY(SAMPLE_acid);
-                               goto loop;
-                       case Xblank:
-                       case Yacid_splash_eB:
-                       case Yacid_splash_wB:
-                               Cave[y][x] = Yballoon_eB;
-                               Cave[y][x+1] = Yballoon_e;
-                               Next[y][x] = Xblank;
-                               Next[y][x+1] = Xballoon;
-                               goto loop;
-                       default:
-                               goto loop;
-                       }
-               case 2: /* south */
-                       switch(Cave[y+1][x]) {
-                       case Xacid_1:
-                       case Xacid_2:
-                       case Xacid_3:
-                       case Xacid_4:
-                       case Xacid_5:
-                       case Xacid_6:
-                       case Xacid_7:
-                       case Xacid_8:
-                               Cave[y][x] = Yballoon_sB;
-                               if(Cave[y][x+1] == Xblank) Cave[y][x+1] = Yacid_splash_eB;
-                               if(Cave[y][x-1] == Xblank) Cave[y][x-1] = Yacid_splash_wB;
-                               Next[y][x] = Xblank;
-                               PLAY(SAMPLE_acid);
-                               goto loop;
-                       case Xblank:
-                       case Yacid_splash_eB:
-                       case Yacid_splash_wB:
-                               Cave[y][x] = Yballoon_sB;
-                               Cave[y+1][x] = Yballoon_s;
-                               Next[y][x] = Xblank;
-                               Next[y+1][x] = Xballoon;
-                               goto loop;
-                       default:
-                               goto loop;
-                       }
-               case 3: /* west */
-                       switch(Cave[y][x-1]) {
-                       case Xacid_1:
-                       case Xacid_2:
-                       case Xacid_3:
-                       case Xacid_4:
-                       case Xacid_5:
-                       case Xacid_6:
-                       case Xacid_7:
-                       case Xacid_8:
-                               Cave[y][x] = Yballoon_wB;
-                               if(Cave[y-1][x] == Xblank) Cave[y-1][x] = Yacid_splash_eB;
-                               if(Cave[y-1][x-2] == Xblank) Cave[y-1][x-2] = Yacid_splash_wB;
-                               Next[y][x] = Xblank;
-                               PLAY(SAMPLE_acid);
-                               goto loop;
-                       case Xblank:
-                       case Yacid_splash_eB:
-                       case Yacid_splash_wB:
-                               Cave[y][x] = Yballoon_wB;
-                               Cave[y][x-1] = Yballoon_w;
-                               Next[y][x] = Xblank;
-                               Next[y][x-1] = Xballoon;
-                               goto loop;
-                       default:
-                               goto loop;
-                       }
-               }
-/* ---------------------------------------------------------------------- */
+         return;
+       }
+      }
+  }
+}
+
+static void Lspring_pause(int x, int y)
+{
+  switch (Cave[x][y+1])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Yspring_sB;
+      if (Cave[x+1][y] == Xblank)
+       Cave[x+1][y] = Xacid_splash_e;
+      if (Cave[x-1][y] == Xblank)
+       Cave[x-1][y] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+      Cave[x][y] = Yspring_sB;
+      Cave[x][y+1] = Yspring_s;
+      Next[x][y] = Xblank;
+      Next[x][y+1] = Xspring_fall;
+      return;
+
+    default:
+      Cave[x][y] = Xspring;
+      Next[x][y] = Xspring;
+      return;
+  }
+}
+
+static void Lspring_e(int x, int y)
+{
+  switch (Cave[x][y+1])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Yspring_sB;
+      if (Cave[x+1][y] == Xblank)
+       Cave[x+1][y] = Xacid_splash_e;
+      if (Cave[x-1][y] == Xblank)
+       Cave[x-1][y] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+      Cave[x][y] = Yspring_sB;
+      Cave[x][y+1] = Yspring_s;
+      Next[x][y] = Xblank;
+      Next[x][y+1] = Xspring_fall;
+      return;
+
+    case Xbumper:
+      Cave[x][y+1] = XbumperB;
+  }
+
+  switch (Cave[x+1][y])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Yspring_eB;
+      if (Cave[x+2][y-1] == Xblank)
+       Cave[x+2][y-1] = Xacid_splash_e;
+      if (Cave[x][y-1] == Xblank)
+       Cave[x][y-1] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+    case Yalien_nB:
+    case Yalien_eB:
+    case Yalien_sB:
+    case Yalien_wB:
+      Cave[x][y] = Yspring_eB;
+      Cave[x+1][y] = Yspring_e;
+      Next[x][y] = Xblank;
+      Next[x+1][y] = Xspring_e;
+      return;
+
+    case Xalien:
+    case Xalien_pause:
+    case Yalien_n:
+    case Yalien_e:
+    case Yalien_s:
+    case Yalien_w:
+      Cave[x][y] = Yspring_alien_eB;
+      Cave[x+1][y] = Yspring_alien_e;
+      Next[x][y] = Xblank;
+      Next[x+1][y] = Xspring_e;
+      play_element_sound(x, y, SOUND_slurp, Xalien);
+      score += lev.slurp_score;
+      return;
+
+    case Xbumper:
+    case XbumperB:
+      Cave[x+1][y] = XbumperB;
+      Next[x][y] = Xspring_w;
+      play_element_sound(x, y, SOUND_spring, Xspring);
+      return;
+
+    default:
+      Cave[x][y] = Xspring;
+      Next[x][y] = Xspring;
+      play_element_sound(x, y, SOUND_spring, Xspring);
+      return;
+  }
+}
+
+static void Lspring_w(int x, int y)
+{
+  switch (Cave[x][y+1])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Yspring_sB;
+      if (Cave[x+1][y] == Xblank)
+       Cave[x+1][y] = Xacid_splash_e;
+      if (Cave[x-1][y] == Xblank)
+       Cave[x-1][y] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+      Cave[x][y] = Yspring_sB;
+      Cave[x][y+1] = Yspring_s;
+      Next[x][y] = Xblank;
+      Next[x][y+1] = Xspring_fall;
+      return;
+
+    case Xbumper:
+      Cave[x][y+1] = XbumperB;
+  }
+
+  switch (Cave[x-1][y])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Yspring_wB;
+      if (Cave[x][y-1] == Xblank)
+       Cave[x][y-1] = Xacid_splash_e;
+      if (Cave[x-2][y-1] == Xblank)
+       Cave[x-2][y-1] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+    case Yalien_nB:
+    case Yalien_eB:
+    case Yalien_sB:
+    case Yalien_wB:
+      Cave[x][y] = Yspring_wB;
+      Cave[x-1][y] = Yspring_w;
+      Next[x][y] = Xblank;
+      Next[x-1][y] = Xspring_w;
+      return;
+
+    case Xalien:
+    case Xalien_pause:
+    case Yalien_n:
+    case Yalien_e:
+    case Yalien_s:
+    case Yalien_w:
+      Cave[x][y] = Yspring_alien_wB;
+      Cave[x-1][y] = Yspring_alien_w;
+      Next[x][y] = Xblank;
+      Next[x-1][y] = Xspring_w;
+      play_element_sound(x, y, SOUND_slurp, Xalien);
+      score += lev.slurp_score;
+      return;
+
+    case Xbumper:
+    case XbumperB:
+      Cave[x-1][y] = XbumperB;
+      Next[x][y] = Xspring_e;
+      play_element_sound(x, y, SOUND_spring, Xspring);
+      return;
+
+    default:
+      Cave[x][y] = Xspring;
+      Next[x][y] = Xspring;
+      play_element_sound(x, y, SOUND_spring, Xspring);
+      return;
+  }
+}
+
+static void Lspring_fall(int x, int y)
+{
+  switch (Cave[x][y+1])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Yspring_sB;
+      if (Cave[x+1][y] == Xblank)
+       Cave[x+1][y] = Xacid_splash_e;
+      if (Cave[x-1][y] == Xblank)
+       Cave[x-1][y] = Xacid_splash_w;
+      Next[x][y] = Xblank;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+    case Zplayer:
+      Cave[x][y] = Yspring_sB;
+      Cave[x][y+1] = Yspring_s;
+      Next[x][y] = Xblank;
+      Next[x][y+1] = Xspring_fall;
+      return;
+
+    case Xbomb:
+    case Xbomb_pause:
+      Cave[x][y+1] = Ybomb_blank;
+      Next[x][y+1] = Znormal;
+      Boom[x-1][y] = Xblank;
+      Boom[x][y] = Xblank;
+      Boom[x+1][y] = Xblank;
+      Boom[x-1][y+1] = Xblank;
+      Boom[x][y+1] = Xblank;
+      Boom[x+1][y+1] = Xblank;
+      Boom[x-1][y+2] = Xblank;
+      Boom[x][y+2] = Xblank;
+      Boom[x+1][y+2] = Xblank;
+#if PLAY_ELEMENT_SOUND
+      play_element_sound(x, y, SOUND_boom, Xspring_fall);
+#endif
+      return;
+
+    case Xbug_1_n:
+    case Xbug_1_e:
+    case Xbug_1_s:
+    case Xbug_1_w:
+    case Xbug_2_n:
+    case Xbug_2_e:
+    case Xbug_2_s:
+    case Xbug_2_w:
+      Cave[x][y] = Yspring_sB;
+      Cave[x][y+1] = Ybug_spring;
+      Next[x][y+1] = Znormal;
+      Boom[x-1][y] = Xemerald;
+      Boom[x][y] = Xemerald;
+      Boom[x+1][y] = Xemerald;
+      Boom[x-1][y+1] = Xemerald;
+      Boom[x][y+1] = Xdiamond;
+      Boom[x+1][y+1] = Xemerald;
+      Boom[x-1][y+2] = Xemerald;
+      Boom[x][y+2] = Xemerald;
+      Boom[x+1][y+2] = Xemerald;
+#if PLAY_ELEMENT_SOUND
+      play_element_sound(x, y, SOUND_boom, Xspring_fall);
+#endif
+      score += lev.bug_score;
+      return;
+
+    case Xtank_1_n:
+    case Xtank_1_e:
+    case Xtank_1_s:
+    case Xtank_1_w:
+    case Xtank_2_n:
+    case Xtank_2_e:
+    case Xtank_2_s:
+    case Xtank_2_w:
+      Cave[x][y] = Yspring_sB;
+      Cave[x][y+1] = Ytank_spring;
+      Next[x][y+1] = Znormal;
+      Boom[x-1][y] = Xblank;
+      Boom[x][y] = Xblank;
+      Boom[x+1][y] = Xblank;
+      Boom[x-1][y+1] = Xblank;
+      Boom[x][y+1] = Xblank;
+      Boom[x+1][y+1] = Xblank;
+      Boom[x-1][y+2] = Xblank;
+      Boom[x][y+2] = Xblank;
+      Boom[x+1][y+2] = Xblank;
+#if PLAY_ELEMENT_SOUND
+      play_element_sound(x, y, SOUND_boom, Xspring_fall);
+#endif
+      score += lev.tank_score;
+      return;
+
+    case Xeater_n:
+    case Xeater_e:
+    case Xeater_s:
+    case Xeater_w:
+      Cave[x][y] = Yspring_sB;
+      Cave[x][y+1] = Yeater_spring;
+      Next[x][y+1] = Znormal;
+      Boom[x-1][y] = lev.eater_array[lev.eater_pos][0];
+      Boom[x][y] = lev.eater_array[lev.eater_pos][1];
+      Boom[x+1][y] = lev.eater_array[lev.eater_pos][2];
+      Boom[x-1][y+1] = lev.eater_array[lev.eater_pos][3];
+      Boom[x][y+1] = lev.eater_array[lev.eater_pos][4];
+      Boom[x+1][y+1] = lev.eater_array[lev.eater_pos][5];
+      Boom[x-1][y+2] = lev.eater_array[lev.eater_pos][6];
+      Boom[x][y+2] = lev.eater_array[lev.eater_pos][7];
+      Boom[x+1][y+2] = lev.eater_array[lev.eater_pos][8];
+#if PLAY_ELEMENT_SOUND
+      play_element_sound(x, y, SOUND_boom, Xspring_fall);
+#endif
+      lev.eater_pos = (lev.eater_pos + 1) & 7;
+      score += lev.eater_score;
+      return;
+
+    case Xalien:
+    case Xalien_pause:
+      Cave[x][y] = Yspring_sB;
+      Cave[x][y+1] = Yalien_spring;
+      Next[x][y+1] = Znormal;
+      Boom[x-1][y] = Xblank;
+      Boom[x][y] = Xblank;
+      Boom[x+1][y] = Xblank;
+      Boom[x-1][y+1] = Xblank;
+      Boom[x][y+1] = Xblank;
+      Boom[x+1][y+1] = Xblank;
+      Boom[x-1][y+2] = Xblank;
+      Boom[x][y+2] = Xblank;
+      Boom[x+1][y+2] = Xblank;
+#if PLAY_ELEMENT_SOUND
+      play_element_sound(x, y, SOUND_boom, Xspring_fall);
+#endif
+      score += lev.alien_score;
+      return;
+
+    default:
+      Cave[x][y] = Xspring;
+      Next[x][y] = Xspring;
+      play_element_sound(x, y, SOUND_spring, Xspring);
+      return;
+  }
+}
+
+static void Lpush_emerald_e(int x, int y)
+{
+  switch (Cave[x+1][y])
+  {
+    case Zborder:
+    case Znormal:
+    case Zdynamite:
+    case Xboom_bug:
+    case Xboom_bomb:
+    case Xboom_android:
+    case Xboom_1:
+    case Zplayer:
+      Cave[x][y] = Xemerald;
+      Next[x][y] = Xemerald;
+      return;
+
+    default:
+      Cave[x][y] = Yemerald_eB;
+      Cave[x+1][y] = Yemerald_e;
+      Next[x][y] = Xblank;
+      Next[x+1][y] = Xemerald_pause;
+      return;
+  }
+}
+
+static void Lpush_emerald_w(int x, int y)
+{
+  switch (Cave[x-1][y])
+  {
+    case Zborder:
+    case Znormal:
+    case Zdynamite:
+    case Xboom_bug:
+    case Xboom_bomb:
+    case Xboom_android:
+    case Xboom_1:
+    case Zplayer:
+      Cave[x][y] = Xemerald;
+      Next[x][y] = Xemerald;
+      return;
+
+    default:
+      Cave[x][y] = Yemerald_wB;
+      Cave[x-1][y] = Yemerald_w;
+      Next[x][y] = Xblank;
+      Next[x-1][y] = Xemerald_pause;
+      return;
+  }
+}
+
+static void Lpush_diamond_e(int x, int y)
+{
+  switch (Cave[x+1][y])
+  {
+    case Zborder:
+    case Znormal:
+    case Zdynamite:
+    case Xboom_bug:
+    case Xboom_bomb:
+    case Xboom_android:
+    case Xboom_1:
+    case Zplayer:
+      Cave[x][y] = Xdiamond;
+      Next[x][y] = Xdiamond;
+      return;
+
+    default:
+      Cave[x][y] = Ydiamond_eB;
+      Cave[x+1][y] = Ydiamond_e;
+      Next[x][y] = Xblank;
+      Next[x+1][y] = Xdiamond_pause;
+      return;
+  }
+}
+
+static void Lpush_diamond_w(int x, int y)
+{
+  switch (Cave[x-1][y])
+  {
+    case Zborder:
+    case Znormal:
+    case Zdynamite:
+    case Xboom_bug:
+    case Xboom_bomb:
+    case Xboom_android:
+    case Xboom_1:
+    case Zplayer:
+      Cave[x][y] = Xdiamond;
+      Next[x][y] = Xdiamond;
+      return;
+
+    default:
+      Cave[x][y] = Ydiamond_wB;
+      Cave[x-1][y] = Ydiamond_w;
+      Next[x][y] = Xblank;
+      Next[x-1][y] = Xdiamond_pause;
+      return;
+  }
+}
+
+static void Lpush_stone_e(int x, int y)
+{
+  switch (Cave[x+1][y])
+  {
+    case Zborder:
+    case Znormal:
+    case Zdynamite:
+    case Xboom_bug:
+    case Xboom_bomb:
+    case Xboom_android:
+    case Xboom_1:
+    case Zplayer:
+      Cave[x][y] = Xstone;
+      Next[x][y] = Xstone;
+      return;
+
+    default:
+      Cave[x][y] = Ystone_eB;
+      Cave[x+1][y] = Ystone_e;
+      Next[x][y] = Xblank;
+      Next[x+1][y] = Xstone_pause;
+      return;
+  }
+}
+
+static void Lpush_stone_w(int x, int y)
+{
+  switch (Cave[x-1][y])
+  {
+    case Zborder:
+    case Znormal:
+    case Zdynamite:
+    case Xboom_bug:
+    case Xboom_bomb:
+    case Xboom_android:
+    case Xboom_1:
+    case Zplayer:
+      Cave[x][y] = Xstone;
+      Next[x][y] = Xstone;
+      return;
+
+    default:
+      Cave[x][y] = Ystone_wB;
+      Cave[x-1][y] = Ystone_w;
+      Next[x][y] = Xblank;
+      Next[x-1][y] = Xstone_pause;
+      return;
+  }
+}
+
+static void Lpush_bomb_e(int x, int y)
+{
+  switch (Cave[x+1][y])
+  {
+    case Zborder:
+    case Znormal:
+    case Zdynamite:
+    case Xboom_bug:
+    case Xboom_bomb:
+    case Xboom_android:
+    case Xboom_1:
+    case Zplayer:
+      Cave[x][y] = Xbomb;
+      Next[x][y] = Xbomb;
+      return;
+
+    default:
+      Cave[x][y] = Ybomb_eB;
+      Cave[x+1][y] = Ybomb_e;
+      Next[x][y] = Xblank;
+      Next[x+1][y] = Xbomb_pause;
+      return;
+  }
+}
+
+static void Lpush_bomb_w(int x, int y)
+{
+  switch (Cave[x-1][y])
+  {
+    case Zborder:
+    case Znormal:
+    case Zdynamite:
+    case Xboom_bug:
+    case Xboom_bomb:
+    case Xboom_android:
+    case Xboom_1:
+    case Zplayer:
+      Cave[x][y] = Xbomb;
+      Next[x][y] = Xbomb;
+      return;
+
+    default:
+      Cave[x][y] = Ybomb_wB;
+      Cave[x-1][y] = Ybomb_w;
+      Next[x][y] = Xblank;
+      Next[x-1][y] = Xbomb_pause;
+      return;
+  }
+}
+
+static void Lpush_nut_e(int x, int y)
+{
+  switch (Cave[x+1][y])
+  {
+    case Zborder:
+    case Znormal:
+    case Zdynamite:
+    case Xboom_bug:
+    case Xboom_bomb:
+    case Xboom_android:
+    case Xboom_1:
+    case Zplayer:
+      Cave[x][y] = Xnut;
+      Next[x][y] = Xnut;
+      return;
+
+    default:
+      Cave[x][y] = Ynut_eB;
+      Cave[x+1][y] = Ynut_e;
+      Next[x][y] = Xblank;
+      Next[x+1][y] = Xnut_pause;
+      return;
+  }
+}
+
+static void Lpush_nut_w(int x, int y)
+{
+  switch (Cave[x-1][y])
+  {
+    case Zborder:
+    case Znormal:
+    case Zdynamite:
+    case Xboom_bug:
+    case Xboom_bomb:
+    case Xboom_android:
+    case Xboom_1:
+    case Zplayer:
+      Cave[x][y] = Xnut;
+      Next[x][y] = Xnut;
+      return;
+
+    default:
+      Cave[x][y] = Ynut_wB;
+      Cave[x-1][y] = Ynut_w;
+      Next[x][y] = Xblank;
+      Next[x-1][y] = Xnut_pause;
+      return;
+  }
+}
+
+static void Lpush_spring_e(int x, int y)
+{
+  switch (Cave[x+1][y])
+  {
+    case Zborder:
+    case Znormal:
+    case Zdynamite:
+    case Xboom_bug:
+    case Xboom_bomb:
+    case Xboom_android:
+    case Xboom_1:
+    case Zplayer:
+      Cave[x][y] = Xspring;
+      Next[x][y] = Xspring;
+      return;
+
+    default:
+      Cave[x][y] = Yspring_eB;
+      Cave[x+1][y] = Yspring_e;
+      Next[x][y] = Xblank;
+      Next[x+1][y] = Xspring_e;
+      return;
+  }
+}
+
+static void Lpush_spring_w(int x, int y)
+{
+  switch (Cave[x-1][y])
+  {
+    case Zborder:
+    case Znormal:
+    case Zdynamite:
+    case Xboom_bug:
+    case Xboom_bomb:
+    case Xboom_android:
+    case Xboom_1:
+    case Zplayer:
+      Cave[x][y] = Xspring;
+      Next[x][y] = Xspring;
+      return;
+
+    default:
+      Cave[x][y] = Yspring_wB;
+      Cave[x-1][y] = Yspring_w;
+      Next[x][y] = Xblank;
+      Next[x-1][y] = Xspring_w;
+      return;
+  }
+}
+
+static void Ldynamite_1(int x, int y)
+{
+  play_element_sound(x, y, SOUND_tick, Xdynamite_1);
+  Next[x][y] = Xdynamite_2;
+}
+
+static void Ldynamite_2(int x, int y)
+{
+  play_element_sound(x, y, SOUND_tick, Xdynamite_2);
+  Next[x][y] = Xdynamite_3;
+}
+
+static void Ldynamite_3(int x, int y)
+{
+  play_element_sound(x, y, SOUND_tick, Xdynamite_3);
+  Next[x][y] = Xdynamite_4;
+}
+
+static void Ldynamite_4(int x, int y)
+{
+  play_element_sound(x, y, SOUND_tick, Xdynamite_4);
+  Next[x][y] = Zdynamite;
+  Boom[x-1][y-1] = Xblank;
+  Boom[x][y-1] = Xblank;
+  Boom[x+1][y-1] = Xblank;
+  Boom[x-1][y] = Xblank;
+  Boom[x][y] = Xblank;
+  Boom[x+1][y] = Xblank;
+  Boom[x-1][y+1] = Xblank;
+  Boom[x][y+1] = Xblank;
+  Boom[x+1][y+1] = Xblank;
+}
+
+static void Lfake_door_1(int x, int y)
+{
+  if (lev.magnify_cnt)
+    Cave[x][y] = Xdoor_1;
+}
+
+static void Lfake_door_2(int x, int y)
+{
+  if (lev.magnify_cnt)
+    Cave[x][y] = Xdoor_2;
+}
+
+static void Lfake_door_3(int x, int y)
+{
+  if (lev.magnify_cnt)
+    Cave[x][y] = Xdoor_3;
+}
+
+static void Lfake_door_4(int x, int y)
+{
+  if (lev.magnify_cnt)
+    Cave[x][y] = Xdoor_4;
+}
+
+static void Lfake_door_5(int x, int y)
+{
+  if (lev.magnify_cnt)
+    Cave[x][y] = Xdoor_5;
+}
+
+static void Lfake_door_6(int x, int y)
+{
+  if (lev.magnify_cnt)
+    Cave[x][y] = Xdoor_6;
+}
+
+static void Lfake_door_7(int x, int y)
+{
+  if (lev.magnify_cnt)
+    Cave[x][y] = Xdoor_7;
+}
+
+static void Lfake_door_8(int x, int y)
+{
+  if (lev.magnify_cnt)
+    Cave[x][y] = Xdoor_8;
+}
+
+static void Lballoon(int x, int y)
+{
+  if (lev.wind_cnt == 0)
+    return;
+
+  switch (lev.wind_direction)
+  {
+    case 0: /* north */
+      switch (Cave[x][y-1])
+      {
+       case Xacid_1:
+       case Xacid_2:
+       case Xacid_3:
+       case Xacid_4:
+       case Xacid_5:
+       case Xacid_6:
+       case Xacid_7:
+       case Xacid_8:
+         Cave[x][y] = Yballoon_nB;
+         if (Cave[x+1][y-2] == Xblank)
+           Cave[x+1][y-2] = Xacid_splash_e;
+         if (Cave[x-1][y-2] == Xblank)
+           Cave[x-1][y-2] = Xacid_splash_w;
+         Next[x][y] = Xblank;
+         play_element_sound(x, y, SOUND_acid, Xacid_1);
+         return;
+
+       case Xblank:
+       case Xacid_splash_e:
+       case Xacid_splash_w:
+         Cave[x][y] = Yballoon_nB;
+         Cave[x][y-1] = Yballoon_n;
+         Next[x][y] = Xblank;
+         Next[x][y-1] = Xballoon;
+         return;
+      }
+      break;
+
+    case 1: /* east */
+      switch (Cave[x+1][y])
+      {
+       case Xacid_1:
+       case Xacid_2:
+       case Xacid_3:
+       case Xacid_4:
+       case Xacid_5:
+       case Xacid_6:
+       case Xacid_7:
+       case Xacid_8:
+         Cave[x][y] = Yballoon_eB;
+         if (Cave[x+2][y-1] == Xblank)
+           Cave[x+2][y-1] = Xacid_splash_e;
+         if (Cave[x][y-1] == Xblank)
+           Cave[x][y-1] = Xacid_splash_w;
+         Next[x][y] = Xblank;
+         play_element_sound(x, y, SOUND_acid, Xacid_1);
+         return;
+
+       case Xblank:
+       case Xacid_splash_e:
+       case Xacid_splash_w:
+         Cave[x][y] = Yballoon_eB;
+         Cave[x+1][y] = Yballoon_e;
+         Next[x][y] = Xblank;
+         Next[x+1][y] = Xballoon;
+         return;
+      }
+      break;
+
+    case 2: /* south */
+      switch (Cave[x][y+1])
+      {
+       case Xacid_1:
+       case Xacid_2:
+       case Xacid_3:
+       case Xacid_4:
+       case Xacid_5:
+       case Xacid_6:
+       case Xacid_7:
+       case Xacid_8:
+         Cave[x][y] = Yballoon_sB;
+         if (Cave[x+1][y] == Xblank)
+           Cave[x+1][y] = Xacid_splash_e;
+         if (Cave[x-1][y] == Xblank)
+           Cave[x-1][y] = Xacid_splash_w;
+         Next[x][y] = Xblank;
+         play_element_sound(x, y, SOUND_acid, Xacid_1);
+         return;
+
+       case Xblank:
+       case Xacid_splash_e:
+       case Xacid_splash_w:
+         Cave[x][y] = Yballoon_sB;
+         Cave[x][y+1] = Yballoon_s;
+         Next[x][y] = Xblank;
+         Next[x][y+1] = Xballoon;
+         return;
+      }
+      break;
+
+    case 3: /* west */
+      switch (Cave[x-1][y])
+      {
        case Xacid_1:
-               Next[y][x] = Xacid_2;
-               goto loop;
        case Xacid_2:
-               Next[y][x] = Xacid_3;
-               goto loop;
        case Xacid_3:
-               Next[y][x] = Xacid_4;
-               goto loop;
        case Xacid_4:
-               Next[y][x] = Xacid_5;
-               goto loop;
        case Xacid_5:
-               Next[y][x] = Xacid_6;
-               goto loop;
        case Xacid_6:
-               Next[y][x] = Xacid_7;
-               goto loop;
        case Xacid_7:
-               Next[y][x] = Xacid_8;
-               goto loop;
        case Xacid_8:
-               Next[y][x] = Xacid_1;
-               goto loop;
-/* ---------------------------------------------------------------------- */
-       case Xball_1:
-               if(lev.ball_state == 0) goto loop;
-               Cave[y][x] = Xball_1B;
-               Next[y][x] = Xball_2;
-               if(lev.ball_cnt) goto loop;
-               goto ball_common;
-       case Xball_2:
-               if(lev.ball_state == 0) goto loop;
-               Cave[y][x] = Xball_2B;
-               Next[y][x] = Xball_1;
-               if(lev.ball_cnt) goto loop;
-               goto ball_common;
-       ball_common:
-               play[SAMPLE_ball] = 1;
-               if(lev.ball_random) {
-                       switch(RANDOM & 7) {
-                       case 0:
-                               if(lev.ball_array[lev.ball_pos][0] != Xblank && tab_blank[Cave[y-1][x-1]]) {
-                                       Cave[y-1][x-1] = Yball_eat;
-                                       Next[y-1][x-1] = lev.ball_array[lev.ball_pos][0];
-                               }
-                               break;
-                       case 1:
-                               if(lev.ball_array[lev.ball_pos][1] != Xblank && tab_blank[Cave[y-1][x]]) {
-                                       Cave[y-1][x] = Yball_eat;
-                                       Next[y-1][x] = lev.ball_array[lev.ball_pos][1];
-                               }
-                               break;
-                       case 2:
-                               if(lev.ball_array[lev.ball_pos][2] != Xblank && tab_blank[Cave[y-1][x+1]]) {
-                                       Cave[y-1][x+1] = Yball_eat;
-                                       Next[y-1][x+1] = lev.ball_array[lev.ball_pos][2];
-                               }
-                               break;
-                       case 3:
-                               if(lev.ball_array[lev.ball_pos][3] != Xblank && tab_blank[Cave[y][x-1]]) {
-                                       Cave[y][x-1] = Yball_eat;
-                                       Next[y][x-1] = lev.ball_array[lev.ball_pos][3];
-                               }
-                               break;
-                       case 4:
-                               if(lev.ball_array[lev.ball_pos][4] != Xblank && tab_blank[Cave[y][x+1]]) {
-                                       Cave[y][x+1] = Yball_eat;
-                                       Next[y][x+1] = lev.ball_array[lev.ball_pos][4];
-                               }
-                               break;
-                       case 5:
-                               if(lev.ball_array[lev.ball_pos][5] != Xblank && tab_blank[Cave[y+1][x-1]]) {
-                                       Cave[y+1][x-1] = Yball_eat;
-                                       Next[y+1][x-1] = lev.ball_array[lev.ball_pos][5];
-                               }
-                               break;
-                       case 6:
-                               if(lev.ball_array[lev.ball_pos][6] != Xblank && tab_blank[Cave[y+1][x]]) {
-                                       Cave[y+1][x] = Yball_eat;
-                                       Next[y+1][x] = lev.ball_array[lev.ball_pos][6];
-                               }
-                               break;
-                       case 7:
-                               if(lev.ball_array[lev.ball_pos][7] != Xblank && tab_blank[Cave[y+1][x+1]]) {
-                                       Cave[y+1][x+1] = Yball_eat;
-                                       Next[y+1][x+1] = lev.ball_array[lev.ball_pos][7];
-                               }
-                               break;
-                       }
-               } else {
-                       if(lev.ball_array[lev.ball_pos][0] != Xblank && tab_blank[Cave[y-1][x-1]]) {
-                               Cave[y-1][x-1] = Yball_eat;
-                               Next[y-1][x-1] = lev.ball_array[lev.ball_pos][0];
-                       }
-                       if(lev.ball_array[lev.ball_pos][1] != Xblank && tab_blank[Cave[y-1][x]]) {
-                               Cave[y-1][x] = Yball_eat;
-                               Next[y-1][x] = lev.ball_array[lev.ball_pos][1];
-                       }
-                       if(lev.ball_array[lev.ball_pos][2] != Xblank && tab_blank[Cave[y-1][x+1]]) {
-                               Cave[y-1][x+1] = Yball_eat;
-                               Next[y-1][x+1] = lev.ball_array[lev.ball_pos][2];
-                       }
-                       if(lev.ball_array[lev.ball_pos][3] != Xblank && tab_blank[Cave[y][x-1]]) {
-                               Cave[y][x-1] = Yball_eat;
-                               Next[y][x-1] = lev.ball_array[lev.ball_pos][3];
-                       }
-                       if(lev.ball_array[lev.ball_pos][4] != Xblank && tab_blank[Cave[y][x+1]]) {
-                               Cave[y][x+1] = Yball_eat;
-                               Next[y][x+1] = lev.ball_array[lev.ball_pos][4];
-                       }
-                       if(lev.ball_array[lev.ball_pos][5] != Xblank && tab_blank[Cave[y+1][x-1]]) {
-                               Cave[y+1][x-1] = Yball_eat;
-                               Next[y+1][x-1] = lev.ball_array[lev.ball_pos][5];
-                       }
-                       if(lev.ball_array[lev.ball_pos][6] != Xblank && tab_blank[Cave[y+1][x]]) {
-                               Cave[y+1][x] = Yball_eat;
-                               Next[y+1][x] = lev.ball_array[lev.ball_pos][6];
-                       }
-                       if(lev.ball_array[lev.ball_pos][7] != Xblank && tab_blank[Cave[y+1][x+1]]) {
-                               Cave[y+1][x+1] = Yball_eat;
-                               Next[y+1][x+1] = lev.ball_array[lev.ball_pos][7];
-                       }
-               }
-               lev.ball_pos = (lev.ball_pos + 1) & 7;
-               goto loop;
-/* ---------------------------------------------------------------------- */
-       case Xgrow_ns:
-               if(tab_blank[Cave[y-1][x]]) {
-                       Cave[y-1][x] = Ygrow_ns_eat;
-                       Next[y-1][x] = Xgrow_ns;
-                       play[SAMPLE_grow] = 1;
-               }
-               if(tab_blank[Cave[y+1][x]]) {
-                       Cave[y+1][x] = Ygrow_ns_eat;
-                       Next[y+1][x] = Xgrow_ns;
-                       play[SAMPLE_grow] = 1;
-               }
-               goto loop;
-       case Xgrow_ew:
-               if(tab_blank[Cave[y][x+1]]) {
-                       Cave[y][x+1] = Ygrow_ew_eat;
-                       Next[y][x+1] = Xgrow_ew;
-                       play[SAMPLE_grow] = 1;
-               }
-               if(tab_blank[Cave[y][x-1]]) {
-                       Cave[y][x-1] = Ygrow_ew_eat;
-                       Next[y][x-1] = Xgrow_ew;
-                       play[SAMPLE_grow] = 1;
-               }
-               goto loop;
-/* ---------------------------------------------------------------------- */
-       case Xwonderwall:
-               if(lev.wonderwall_time && lev.wonderwall_state) {
-                       Cave[y][x] = XwonderwallB;
-                       play[SAMPLE_wonder] = 1;
-               }
-               goto loop;
-/* ---------------------------------------------------------------------- */
-       case Xexit:
-               if(lev.required > 0) goto loop;
-               temp = RANDOM & 63;
-               if(temp < 21) {
-                       Cave[y][x] = Xexit_1;
-                       Next[y][x] = Xexit_2;
-               } else if(temp < 42) {
-                       Cave[y][x] = Xexit_2;
-                       Next[y][x] = Xexit_3;
-               } else {
-                       Cave[y][x] = Xexit_3;
-                       Next[y][x] = Xexit_1;
-               }
-               goto loop;
-       case Xexit_1:
-               Next[y][x] = Xexit_2;
-               goto loop;
-       case Xexit_2:
-               Next[y][x] = Xexit_3;
-               goto loop;
-       case Xexit_3:
-               Next[y][x] = Xexit_1;
-               goto loop;
-/* ---------------------------------------------------------------------- */
-       case Xdynamite_1:
-               play[SAMPLE_tick] = 1;
-               Next[y][x] = Xdynamite_2;
-               goto loop;
-       case Xdynamite_2:
-               play[SAMPLE_tick] = 1;
-               Next[y][x] = Xdynamite_3;
-               goto loop;
-       case Xdynamite_3:
-               play[SAMPLE_tick] = 1;
-               Next[y][x] = Xdynamite_4;
-               goto loop;
-       case Xdynamite_4:
-               play[SAMPLE_tick] = 1;
-               Next[y][x] = Zdynamite;
-               Boom[y-1][x-1] = Xblank;
-               Boom[y-1][x] = Xblank;
-               Boom[y-1][x+1] = Xblank;
-               Boom[y][x-1] = Xblank;
-               Boom[y][x] = Xblank;
-               Boom[y][x+1] = Xblank;
-               Boom[y+1][x-1] = Xblank;
-               Boom[y+1][x] = Xblank;
-               Boom[y+1][x+1] = Xblank;
-               goto loop;
-/* ---------------------------------------------------------------------- */
-       case Xwheel:
-               if(lev.wheel_cnt && x == lev.wheel_x && y == lev.wheel_y) Cave[y][x] = XwheelB;
-               goto loop;
-/* ---------------------------------------------------------------------- */
-       case Xswitch:
-               if(lev.ball_state) Cave[y][x] = XswitchB;
-               goto loop;
-/* ---------------------------------------------------------------------- */
-       case Xsand_stone:
-               switch(Cave[y+1][x]) {
-               case Xacid_1:
-               case Xacid_2:
-               case Xacid_3:
-               case Xacid_4:
-               case Xacid_5:
-               case Xacid_6:
-               case Xacid_7:
-               case Xacid_8:
-                       Cave[y][x] = Xsand_stonesand_3;
-                       if(Cave[y][x+1] == Xblank) Cave[y][x+1] = Yacid_splash_eB;
-                       if(Cave[y][x-1] == Xblank) Cave[y][x-1] = Yacid_splash_wB;
-                       Next[y][x] = Xsand_stonesand_4;
-                       PLAY(SAMPLE_acid);
-                       goto loop;
-               case Xblank:
-               case Yacid_splash_eB:
-               case Yacid_splash_wB:
-                       Cave[y][x] = Xsand_stonesand_3;
-                       Cave[y+1][x] = Xsand_stoneout_1;
-                       Next[y][x] = Xsand_stonesand_4;
-                       Next[y+1][x] = Xsand_stoneout_2;
-                       goto loop;
-               case Xsand:
-                       Cave[y][x] = Xsand_stonesand_1;
-                       Cave[y+1][x] = Xsand_sandstone_1;
-                       Next[y][x] = Xsand_stonesand_2;
-                       Next[y+1][x] = Xsand_sandstone_2;
-                       goto loop;
-               default:
-                       goto loop;
-               }
-       case Xsand_stonein_1:
-               Next[y][x] = Xsand_stonein_2;
-               goto loop;
-       case Xsand_stonein_2:
-               Next[y][x] = Xsand_stonein_3;
-               goto loop;
-       case Xsand_stonein_3:
-               Next[y][x] = Xsand_stonein_4;
-               goto loop;
-       case Xsand_stonein_4:
-               Next[y][x] = Xblank;
-               goto loop;
-       case Xsand_stonesand_1:
-               Next[y][x] = Xsand_stonesand_2;
-               goto loop;
-       case Xsand_stonesand_2:
-               Next[y][x] = Xsand_stonesand_3;
-               goto loop;
-       case Xsand_stonesand_3:
-               Next[y][x] = Xsand_stonesand_4;
-               goto loop;
-       case Xsand_stonesand_4:
-               Next[y][x] = Xsand;
-               goto loop;
-       case Xsand_stoneout_1:
-               Next[y][x] = Xsand_stoneout_2;
-               goto loop;
-       case Xsand_stoneout_2:
-               Next[y][x] = Xstone_fall;
-               goto loop;
-       case Xsand_sandstone_1:
-               Next[y][x] = Xsand_sandstone_2;
-               goto loop;
-       case Xsand_sandstone_2:
-               Next[y][x] = Xsand_sandstone_3;
-               goto loop;
-       case Xsand_sandstone_3:
-               Next[y][x] = Xsand_sandstone_4;
-               goto loop;
-       case Xsand_sandstone_4:
-               Next[y][x] = Xsand_stone;
-               goto loop;
-/* ---------------------------------------------------------------------- */
-       case Xdripper:
-               if(lev.lenses_cnt) Cave[y][x] = XdripperB;
-               goto loop;
-/* ---------------------------------------------------------------------- */
-       case Xfake_blank:
-               if(lev.lenses_cnt) Cave[y][x] = Xfake_blankB;
-               goto loop;
-/* ---------------------------------------------------------------------- */
-       case Xfake_grass:
-               if(lev.magnify_cnt) Cave[y][x] = Xfake_grassB;
-               goto loop;
-/* ---------------------------------------------------------------------- */
-       case Xfake_door_1:
-               if(lev.magnify_cnt) Cave[y][x] = Xdoor_1;
-               goto loop;
-       case Xfake_door_2:
-               if(lev.magnify_cnt) Cave[y][x] = Xdoor_2;
-               goto loop;
-       case Xfake_door_3:
-               if(lev.magnify_cnt) Cave[y][x] = Xdoor_3;
-               goto loop;
-       case Xfake_door_4:
-               if(lev.magnify_cnt) Cave[y][x] = Xdoor_4;
-               goto loop;
-       case Xfake_door_5:
-               if(lev.magnify_cnt) Cave[y][x] = Xdoor_5;
-               goto loop;
-       case Xfake_door_6:
-               if(lev.magnify_cnt) Cave[y][x] = Xdoor_6;
-               goto loop;
-       case Xfake_door_7:
-               if(lev.magnify_cnt) Cave[y][x] = Xdoor_7;
-               goto loop;
-       case Xfake_door_8:
-               if(lev.magnify_cnt) Cave[y][x] = Xdoor_8;
-               goto loop;
-/* ---------------------------------------------------------------------- */
-       case Xboom_bug:
-       bug_boom:
-               Next[y][x] = Znormal;
-               Boom[y-1][x-1] = Xemerald;
-               Boom[y-1][x] = Xemerald;
-               Boom[y-1][x+1] = Xemerald;
-               Boom[y][x-1] = Xemerald;
-               Boom[y][x] = Xdiamond;
-               Boom[y][x+1] = Xemerald;
-               Boom[y+1][x-1] = Xemerald;
-               Boom[y+1][x] = Xemerald;
-               Boom[y+1][x+1] = Xemerald;
-               goto loop;
-       case Xboom_bomb:
-       tank_boom:
-               Next[y][x] = Znormal;
-               Boom[y-1][x-1] = Xblank;
-               Boom[y-1][x] = Xblank;
-               Boom[y-1][x+1] = Xblank;
-               Boom[y][x-1] = Xblank;
-               Boom[y][x] = Xblank;
-               Boom[y][x+1] = Xblank;
-               Boom[y+1][x-1] = Xblank;
-               Boom[y+1][x] = Xblank;
-               Boom[y+1][x+1] = Xblank;
-               goto loop;
-       case Xboom_android:
-       case Xboom_1:
-               Next[y][x] = Xboom_2;
-               play[SAMPLE_boom] = 1;
-               goto loop;
-       case Xboom_2:
-               Next[y][x] = Boom[y][x];
-               goto loop;
-/* ---------------------------------------------------------------------- */
-       case ZBORDER:
-               if(++y < HEIGHT - 1) {
-                       x = 0;
-                       cave_cache = Cave[y];
-                       goto loop;
-               }
-               goto done;
+         Cave[x][y] = Yballoon_wB;
+         if (Cave[x][y-1] == Xblank)
+           Cave[x][y-1] = Xacid_splash_e;
+         if (Cave[x-2][y-1] == Xblank)
+           Cave[x-2][y-1] = Xacid_splash_w;
+         Next[x][y] = Xblank;
+         play_element_sound(x, y, SOUND_acid, Xacid_1);
+         return;
+
+       case Xblank:
+       case Xacid_splash_e:
+       case Xacid_splash_w:
+         Cave[x][y] = Yballoon_wB;
+         Cave[x-1][y] = Yballoon_w;
+         Next[x][y] = Xblank;
+         Next[x-1][y] = Xballoon;
+         return;
+      }
+      break;
+  }
+}
+
+static void Lball_common(int x, int y)
+{
+  play_element_sound(x, y, SOUND_ball, Xball_1);
+
+  if (lev.ball_random)
+  {
+    switch (RANDOM(8))
+    {
+      case 0:
+       if (lev.ball_array[lev.ball_pos][0] != Xblank &&
+           tab_blank[Cave[x-1][y-1]])
+       {
+         Cave[x-1][y-1] = Yball_blank;
+         Next[x-1][y-1] = lev.ball_array[lev.ball_pos][0];
+       }
+       break;
+
+      case 1:
+       if (lev.ball_array[lev.ball_pos][1] != Xblank &&
+           tab_blank[Cave[x][y-1]])
+       {
+         Cave[x][y-1] = Yball_blank;
+         Next[x][y-1] = lev.ball_array[lev.ball_pos][1];
+       }
+       break;
+
+      case 2:
+       if (lev.ball_array[lev.ball_pos][2] != Xblank &&
+           tab_blank[Cave[x+1][y-1]])
+       {
+         Cave[x+1][y-1] = Yball_blank;
+         Next[x+1][y-1] = lev.ball_array[lev.ball_pos][2];
+       }
+       break;
+
+      case 3:
+       if (lev.ball_array[lev.ball_pos][3] != Xblank &&
+           tab_blank[Cave[x-1][y]])
+       {
+         Cave[x-1][y] = Yball_blank;
+         Next[x-1][y] = lev.ball_array[lev.ball_pos][3];
        }
+       break;
 
-#undef RANDOM
-#undef PLAY
-#undef PLAY_FORCE
+      case 4:
+       if (lev.ball_array[lev.ball_pos][4] != Xblank &&
+           tab_blank[Cave[x+1][y]])
+       {
+         Cave[x+1][y] = Yball_blank;
+         Next[x+1][y] = lev.ball_array[lev.ball_pos][4];
+       }
+       break;
+
+      case 5:
+       if (lev.ball_array[lev.ball_pos][5] != Xblank &&
+           tab_blank[Cave[x-1][y+1]])
+       {
+         Cave[x-1][y+1] = Yball_blank;
+         Next[x-1][y+1] = lev.ball_array[lev.ball_pos][5];
+       }
+       break;
+
+      case 6:
+       if (lev.ball_array[lev.ball_pos][6] != Xblank &&
+           tab_blank[Cave[x][y+1]])
+       {
+         Cave[x][y+1] = Yball_blank;
+         Next[x][y+1] = lev.ball_array[lev.ball_pos][6];
+       }
+       break;
 
-done:
-       if(ply1.alive || ply2.alive) lev.score += score; /* only get a score if someone is alive */
-       Random = random;
+      case 7:
+       if (lev.ball_array[lev.ball_pos][7] != Xblank &&
+           tab_blank[Cave[x+1][y+1]])
        {
-               void *temp = Cave; Cave = Next; Next = Draw; Draw = temp; /* triple buffering */
+         Cave[x+1][y+1] = Yball_blank;
+         Next[x+1][y+1] = lev.ball_array[lev.ball_pos][7];
        }
+       break;
+    }
+  }
+  else
+  {
+    if (lev.ball_array[lev.ball_pos][0] != Xblank &&
+       tab_blank[Cave[x-1][y-1]])
+    {
+      Cave[x-1][y-1] = Yball_blank;
+      Next[x-1][y-1] = lev.ball_array[lev.ball_pos][0];
+    }
+
+    if (lev.ball_array[lev.ball_pos][1] != Xblank &&
+       tab_blank[Cave[x][y-1]])
+    {
+      Cave[x][y-1] = Yball_blank;
+      Next[x][y-1] = lev.ball_array[lev.ball_pos][1];
+    }
+
+    if (lev.ball_array[lev.ball_pos][2] != Xblank &&
+       tab_blank[Cave[x+1][y-1]])
+    {
+      Cave[x+1][y-1] = Yball_blank;
+      Next[x+1][y-1] = lev.ball_array[lev.ball_pos][2];
+    }
+
+    if (lev.ball_array[lev.ball_pos][3] != Xblank &&
+       tab_blank[Cave[x-1][y]])
+    {
+      Cave[x-1][y] = Yball_blank;
+      Next[x-1][y] = lev.ball_array[lev.ball_pos][3];
+    }
+
+    if (lev.ball_array[lev.ball_pos][4] != Xblank &&
+       tab_blank[Cave[x+1][y]])
+    {
+      Cave[x+1][y] = Yball_blank;
+      Next[x+1][y] = lev.ball_array[lev.ball_pos][4];
+    }
+
+    if (lev.ball_array[lev.ball_pos][5] != Xblank &&
+       tab_blank[Cave[x-1][y+1]])
+    {
+      Cave[x-1][y+1] = Yball_blank;
+      Next[x-1][y+1] = lev.ball_array[lev.ball_pos][5];
+    }
+
+    if (lev.ball_array[lev.ball_pos][6] != Xblank &&
+       tab_blank[Cave[x][y+1]])
+    {
+      Cave[x][y+1] = Yball_blank;
+      Next[x][y+1] = lev.ball_array[lev.ball_pos][6];
+    }
+
+    if (lev.ball_array[lev.ball_pos][7] != Xblank &&
+       tab_blank[Cave[x+1][y+1]])
+    {
+      Cave[x+1][y+1] = Yball_blank;
+      Next[x+1][y+1] = lev.ball_array[lev.ball_pos][7];
+    }
+  }
+
+  lev.ball_pos = (lev.ball_pos + 1) % lev.num_ball_arrays;
+}
+
+static void Lball_1(int x, int y)
+{
+  if (lev.ball_state == 0)
+    return;
+
+  Cave[x][y] = Yball_1;
+  Next[x][y] = Xball_2;
+  if (lev.ball_cnt)
+    return;
+
+  Lball_common(x, y);
+}
+
+static void Lball_2(int x, int y)
+{
+  if (lev.ball_state == 0)
+    return;
+
+  Cave[x][y] = Yball_2;
+  Next[x][y] = Xball_1;
+  if (lev.ball_cnt)
+    return;
+
+  Lball_common(x, y);
+}
+
+static void Ldrip(int x, int y)
+{
+  Next[x][y] = Xdrip_fall;
+}
+
+static void Ldrip_fall(int x, int y)
+{
+  int temp;
+
+  switch (Cave[x][y+1])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Ydrip_1_sB;
+      if (Cave[x+1][y] == Xblank)
+       Cave[x+1][y] = Xacid_splash_e;
+      if (Cave[x-1][y] == Xblank)
+       Cave[x-1][y] = Xacid_splash_w;
+      Next[x][y] = Xdrip_stretchB;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+    case Xplant:
+    case Yplant:
+    case Zplayer:
+      Cave[x][y] = Ydrip_1_sB;
+      Cave[x][y+1] = Ydrip_1_s;
+      Next[x][y] = Xdrip_stretchB;
+      Next[x][y+1] = Xdrip_stretch;
+      return;
+
+    default:
+      switch (RANDOM(8))
+      {
+       case 0: temp = Xamoeba_1; break;
+       case 1: temp = Xamoeba_2; break;
+       case 2: temp = Xamoeba_3; break;
+       case 3: temp = Xamoeba_4; break;
+       case 4: temp = Xamoeba_5; break;
+       case 5: temp = Xamoeba_6; break;
+       case 6: temp = Xamoeba_7; break;
+       case 7: temp = Xamoeba_8; break;
+      }
+
+      Cave[x][y] = temp;
+      Next[x][y] = temp;
+      play_element_sound(x, y, SOUND_drip, Xdrip_fall);
+      return;
+  }
+}
+
+static void Ldrip_stretch(int x, int y)
+{
+  Cave[x][y] = Ydrip_2_s;
+  Next[x][y] = Xdrip_fall;
+}
+
+static void Ldrip_stretchB(int x, int y)
+{
+  Cave[x][y] = Ydrip_2_sB;
+  Next[x][y] = Xblank;
+}
+
+static void Lwonderwall(int x, int y)
+{
+  if (lev.wonderwall_time && lev.wonderwall_state)
+  {
+    Cave[x][y] = XwonderwallB;
+    play_element_sound(x, y, SOUND_wonder, Xwonderwall);
+  }
+}
+
+static void Lwheel(int x, int y)
+{
+  if (lev.wheel_cnt && x == lev.wheel_x && y == lev.wheel_y)
+    Cave[x][y] = XwheelB;
+}
+
+static void Lswitch(int x, int y)
+{
+  if (lev.ball_state)
+    Cave[x][y] = XswitchB;
+}
+
+static void Lfake_blank(int x, int y)
+{
+  if (lev.lenses_cnt)
+    Cave[x][y] = Xfake_blankB;
+}
+
+static void Lfake_grass(int x, int y)
+{
+  if (lev.magnify_cnt)
+    Cave[x][y] = Xfake_grassB;
+}
+
+static void Lfake_amoeba(int x, int y)
+{
+  if (lev.lenses_cnt)
+    Cave[x][y] = Xfake_amoebaB;
+}
+
+static void Lsand_stone(int x, int y)
+{
+  switch (Cave[x][y+1])
+  {
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      Cave[x][y] = Xsand_stonesand_quickout_1;
+      if (Cave[x+1][y] == Xblank)
+       Cave[x+1][y] = Xacid_splash_e;
+      if (Cave[x-1][y] == Xblank)
+       Cave[x-1][y] = Xacid_splash_w;
+      Next[x][y] = Xsand_stonesand_quickout_2;
+      play_element_sound(x, y, SOUND_acid, Xacid_1);
+      return;
+
+    case Xblank:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
+      Cave[x][y] = Xsand_stonesand_quickout_1;
+      Cave[x][y+1] = Xsand_stoneout_1;
+      Next[x][y] = Xsand_stonesand_quickout_2;
+      Next[x][y+1] = Xsand_stoneout_2;
+      return;
+
+    case Xsand:
+      Cave[x][y] = Xsand_stonesand_1;
+      Cave[x][y+1] = Xsand_sandstone_1;
+      Next[x][y] = Xsand_stonesand_2;
+      Next[x][y+1] = Xsand_sandstone_2;
+      return;
+  }
+}
+
+static void Lsand_stonein_1(int x, int y)
+{
+  Next[x][y] = Xsand_stonein_2;
+}
+
+static void Lsand_stonein_2(int x, int y)
+{
+  Next[x][y] = Xsand_stonein_3;
+}
+
+static void Lsand_stonein_3(int x, int y)
+{
+  Next[x][y] = Xsand_stonein_4;
+}
+
+static void Lsand_stonein_4(int x, int y)
+{
+  Next[x][y] = Xblank;
+}
+
+static void Lsand_sandstone_1(int x, int y)
+{
+  Next[x][y] = Xsand_sandstone_2;
+}
+
+static void Lsand_sandstone_2(int x, int y)
+{
+  Next[x][y] = Xsand_sandstone_3;
+}
+
+static void Lsand_sandstone_3(int x, int y)
+{
+  Next[x][y] = Xsand_sandstone_4;
+}
+
+static void Lsand_sandstone_4(int x, int y)
+{
+  Next[x][y] = Xsand_stone;
+}
+
+static void Lsand_stonesand_1(int x, int y)
+{
+  Next[x][y] = Xsand_stonesand_2;
+}
+
+static void Lsand_stonesand_2(int x, int y)
+{
+  Next[x][y] = Xsand_stonesand_3;
+}
+
+static void Lsand_stonesand_3(int x, int y)
+{
+  Next[x][y] = Xsand_stonesand_4;
+}
+
+static void Lsand_stonesand_4(int x, int y)
+{
+  Next[x][y] = Xsand;
+}
+
+static void Lsand_stoneout_1(int x, int y)
+{
+  Next[x][y] = Xsand_stoneout_2;
+}
+
+static void Lsand_stoneout_2(int x, int y)
+{
+  Next[x][y] = Xstone_fall;
+}
+
+#ifdef EM_ENGINE_USE_ADDITIONAL_ELEMENTS
+static void Lsand_stonesand_quickout_1(int x, int y)
+{
+  Next[x][y] = Xsand_stonesand_quickout_2;
+}
+
+static void Lsand_stonesand_quickout_2(int x, int y)
+{
+  Next[x][y] = Xsand;
+}
+#endif
+
+static void Lslidewall_ns(int x, int y)
+{
+  if (tab_blank[Cave[x][y-1]])
+  {
+    Cave[x][y-1] = Yslidewall_ns_blank;
+    Next[x][y-1] = Xslidewall_ns;
+    play_element_sound(x, y, SOUND_slidewall, Xslidewall_ns);
+  }
+
+  if (tab_blank[Cave[x][y+1]])
+  {
+    Cave[x][y+1] = Yslidewall_ns_blank;
+    Next[x][y+1] = Xslidewall_ns;
+    play_element_sound(x, y, SOUND_slidewall, Xslidewall_ns);
+  }
+}
+
+static void Lslidewall_ew(int x, int y)
+{
+  if (tab_blank[Cave[x+1][y]])
+  {
+    Cave[x+1][y] = Yslidewall_ew_blank;
+    Next[x+1][y] = Xslidewall_ew;
+    play_element_sound(x, y, SOUND_slidewall, Xslidewall_ew);
+  }
+
+  if (tab_blank[Cave[x-1][y]])
+  {
+    Cave[x-1][y] = Yslidewall_ew_blank;
+    Next[x-1][y] = Xslidewall_ew;
+    play_element_sound(x, y, SOUND_slidewall, Xslidewall_ew);
+  }
+}
+
+static void Lexit(int x, int y)
+{
+  if (lev.required > 0)
+    return;
+
+  switch (RANDOM(64) / 21)
+  {
+    case 0:
+      Cave[x][y] = Xexit_1;
+      Next[x][y] = Xexit_2;
+      break;
+
+    case 1:
+      Cave[x][y] = Xexit_2;
+      Next[x][y] = Xexit_3;
+      break;
+
+    default:
+      Cave[x][y] = Xexit_3;
+      Next[x][y] = Xexit_1;
+      break;
+  }
+
+  play_element_sound(x, y, SOUND_exit_open, Xexit);
+}
+
+static void Lexit_1(int x, int y)
+{
+  Next[x][y] = Xexit_2;
+}
+
+static void Lexit_2(int x, int y)
+{
+  Next[x][y] = Xexit_3;
+}
+
+static void Lexit_3(int x, int y)
+{
+  Next[x][y] = Xexit_1;
+}
+
+static void Lpause(int x, int y)
+{
+  Next[x][y] = Xblank;
+}
+
+static void Lboom_1(int x, int y)
+{
+  Next[x][y] = Xboom_2;
+#if !PLAY_ELEMENT_SOUND
+  if (x != lev.exit_x && y != lev.exit_y)
+    play_sound(x, y, SOUND_boom);
+  else
+    lev.exit_x = lev.exit_y = -1;
+#endif
+}
+
+static void Lboom_2(int x, int y)
+{
+  Next[x][y] = Boom[x][y];
+}
+
+static void Lboom_android(int x, int y)
+{
+#if PLAY_ELEMENT_SOUND
+  play_element_sound(x, y, SOUND_boom, Xandroid);
+#endif
+
+  Lboom_1(x, y);
 }
 
+static void handle_tile(int x, int y)
+{
+  switch (Cave[x][y])
+  {
+    case Xacid_1:              Lacid_1(x, y);                  break;
+    case Xacid_2:              Lacid_2(x, y);                  break;
+    case Xacid_3:              Lacid_3(x, y);                  break;
+    case Xacid_4:              Lacid_4(x, y);                  break;
+    case Xacid_5:              Lacid_5(x, y);                  break;
+    case Xacid_6:              Lacid_6(x, y);                  break;
+    case Xacid_7:              Lacid_7(x, y);                  break;
+    case Xacid_8:              Lacid_8(x, y);                  break;
+
+#ifdef EM_ENGINE_USE_ADDITIONAL_ELEMENTS
+    case Xfake_acid_1:         Lfake_acid_1(x, y);             break;
+    case Xfake_acid_2:         Lfake_acid_2(x, y);             break;
+    case Xfake_acid_3:         Lfake_acid_3(x, y);             break;
+    case Xfake_acid_4:         Lfake_acid_4(x, y);             break;
+    case Xfake_acid_5:         Lfake_acid_5(x, y);             break;
+    case Xfake_acid_6:         Lfake_acid_6(x, y);             break;
+    case Xfake_acid_7:         Lfake_acid_7(x, y);             break;
+    case Xfake_acid_8:         Lfake_acid_8(x, y);             break;
+#endif
+
+    case Xandroid:             Landroid(x, y);                 break;
+    case Xandroid_1_n:         Landroid_1_n(x, y);             break;
+    case Xandroid_2_n:         Landroid_2_n(x, y);             break;
+    case Xandroid_1_e:         Landroid_1_e(x, y);             break;
+    case Xandroid_2_e:         Landroid_2_e(x, y);             break;
+    case Xandroid_1_s:         Landroid_1_s(x, y);             break;
+    case Xandroid_2_s:         Landroid_2_s(x, y);             break;
+    case Xandroid_1_w:         Landroid_1_w(x, y);             break;
+    case Xandroid_2_w:         Landroid_2_w(x, y);             break;
+
+    case Xeater_n:             Leater_n(x, y);                 break;
+    case Xeater_e:             Leater_e(x, y);                 break;
+    case Xeater_s:             Leater_s(x, y);                 break;
+    case Xeater_w:             Leater_w(x, y);                 break;
+
+    case Xalien:               Lalien(x, y);                   break;
+    case Xalien_pause:         Lalien_pause(x, y);             break;
+
+    case Xbug_1_n:             Lbug_1_n(x, y);                 break;
+    case Xbug_2_n:             Lbug_2_n(x, y);                 break;
+    case Xbug_1_e:             Lbug_1_e(x, y);                 break;
+    case Xbug_2_e:             Lbug_2_e(x, y);                 break;
+    case Xbug_1_s:             Lbug_1_s(x, y);                 break;
+    case Xbug_2_s:             Lbug_2_s(x, y);                 break;
+    case Xbug_1_w:             Lbug_1_w(x, y);                 break;
+    case Xbug_2_w:             Lbug_2_w(x, y);                 break;
+
+    case Xtank_1_n:            Ltank_1_n(x, y);                break;
+    case Xtank_2_n:            Ltank_2_n(x, y);                break;
+    case Xtank_1_e:            Ltank_1_e(x, y);                break;
+    case Xtank_2_e:            Ltank_2_e(x, y);                break;
+    case Xtank_1_s:            Ltank_1_s(x, y);                break;
+    case Xtank_2_s:            Ltank_2_s(x, y);                break;
+    case Xtank_1_w:            Ltank_1_w(x, y);                break;
+    case Xtank_2_w:            Ltank_2_w(x, y);                break;
+
+    case Xemerald:             Lemerald(x, y);                 break;
+    case Xemerald_pause:       Lemerald_pause(x, y);           break;
+    case Xemerald_fall:                Lemerald_fall(x, y);            break;
+
+    case Xdiamond:             Ldiamond(x, y);                 break;
+    case Xdiamond_pause:       Ldiamond_pause(x, y);           break;
+    case Xdiamond_fall:                Ldiamond_fall(x, y);            break;
+
+    case Xstone:               Lstone(x, y);                   break;
+    case Xstone_pause:         Lstone_pause(x, y);             break;
+    case Xstone_fall:          Lstone_fall(x, y);              break;
+
+    case Xbomb:                        Lbomb(x, y);                    break;
+    case Xbomb_pause:          Lbomb_pause(x, y);              break;
+    case Xbomb_fall:           Lbomb_fall(x, y);               break;
+
+    case Xnut:                 Lnut(x, y);                     break;
+    case Xnut_pause:           Lnut_pause(x, y);               break;
+    case Xnut_fall:            Lnut_fall(x, y);                break;
+
+    case Xspring:              Lspring(x, y);                  break;
+    case Xspring_pause:                Lspring_pause(x, y);            break;
+    case Xspring_e:            Lspring_e(x, y);                break;
+    case Xspring_w:            Lspring_w(x, y);                break;
+    case Xspring_fall:         Lspring_fall(x, y);             break;
+
+    case Xpush_emerald_e:      Lpush_emerald_e(x, y);          break;
+    case Xpush_emerald_w:      Lpush_emerald_w(x, y);          break;
+    case Xpush_diamond_e:      Lpush_diamond_e(x, y);          break;
+    case Xpush_diamond_w:      Lpush_diamond_w(x, y);          break;
+    case Xpush_stone_e:                Lpush_stone_e(x, y);            break;
+    case Xpush_stone_w:                Lpush_stone_w(x, y);            break;
+    case Xpush_bomb_e:         Lpush_bomb_e(x, y);             break;
+    case Xpush_bomb_w:         Lpush_bomb_w(x, y);             break;
+    case Xpush_nut_e:          Lpush_nut_e(x, y);              break;
+    case Xpush_nut_w:          Lpush_nut_w(x, y);              break;
+    case Xpush_spring_e:       Lpush_spring_e(x, y);           break;
+    case Xpush_spring_w:       Lpush_spring_w(x, y);           break;
+
+    case Xdynamite_1:          Ldynamite_1(x, y);              break;
+    case Xdynamite_2:          Ldynamite_2(x, y);              break;
+    case Xdynamite_3:          Ldynamite_3(x, y);              break;
+    case Xdynamite_4:          Ldynamite_4(x, y);              break;
+
+    case Xfake_door_1:         Lfake_door_1(x, y);             break;
+    case Xfake_door_2:         Lfake_door_2(x, y);             break;
+    case Xfake_door_3:         Lfake_door_3(x, y);             break;
+    case Xfake_door_4:         Lfake_door_4(x, y);             break;
+    case Xfake_door_5:         Lfake_door_5(x, y);             break;
+    case Xfake_door_6:         Lfake_door_6(x, y);             break;
+    case Xfake_door_7:         Lfake_door_7(x, y);             break;
+    case Xfake_door_8:         Lfake_door_8(x, y);             break;
+
+    case Xballoon:             Lballoon(x, y);                 break;
+
+    case Xball_1:              Lball_1(x, y);                  break;
+    case Xball_2:              Lball_2(x, y);                  break;
+
+    case Xdrip:                        Ldrip(x, y);                    break;
+    case Xdrip_fall:           Ldrip_fall(x, y);               break;
+    case Xdrip_stretch:                Ldrip_stretch(x, y);            break;
+    case Xdrip_stretchB:       Ldrip_stretchB(x, y);           break;
+
+    case Xwonderwall:          Lwonderwall(x, y);              break;
+
+    case Xwheel:               Lwheel(x, y);                   break;
+
+    case Xswitch:              Lswitch(x, y);                  break;
+
+    case Xfake_blank:          Lfake_blank(x, y);              break;
+    case Xfake_grass:          Lfake_grass(x, y);              break;
+    case Xfake_amoeba:         Lfake_amoeba(x, y);             break;
+
+    case Xsand_stone:          Lsand_stone(x, y);              break;
+    case Xsand_stonein_1:      Lsand_stonein_1(x, y);          break;
+    case Xsand_stonein_2:      Lsand_stonein_2(x, y);          break;
+    case Xsand_stonein_3:      Lsand_stonein_3(x, y);          break;
+    case Xsand_stonein_4:      Lsand_stonein_4(x, y);          break;
+    case Xsand_sandstone_1:    Lsand_sandstone_1(x, y);        break;
+    case Xsand_sandstone_2:    Lsand_sandstone_2(x, y);        break;
+    case Xsand_sandstone_3:    Lsand_sandstone_3(x, y);        break;
+    case Xsand_sandstone_4:    Lsand_sandstone_4(x, y);        break;
+    case Xsand_stonesand_1:    Lsand_stonesand_1(x, y);        break;
+    case Xsand_stonesand_2:    Lsand_stonesand_2(x, y);        break;
+    case Xsand_stonesand_3:    Lsand_stonesand_3(x, y);        break;
+    case Xsand_stonesand_4:    Lsand_stonesand_4(x, y);        break;
+    case Xsand_stoneout_1:     Lsand_stoneout_1(x, y);         break;
+    case Xsand_stoneout_2:     Lsand_stoneout_2(x, y);         break;
+#ifdef EM_ENGINE_USE_ADDITIONAL_ELEMENTS
+    case Xsand_stonesand_quickout_1: Lsand_stonesand_quickout_1(x, y); break;
+    case Xsand_stonesand_quickout_2: Lsand_stonesand_quickout_2(x, y); break;
 #endif
+
+    case Xslidewall_ns:                Lslidewall_ns(x, y);            break;
+    case Xslidewall_ew:                Lslidewall_ew(x, y);            break;
+
+    case Xexit:                        Lexit(x, y);                    break;
+    case Xexit_1:              Lexit_1(x, y);                  break;
+    case Xexit_2:              Lexit_2(x, y);                  break;
+    case Xexit_3:              Lexit_3(x, y);                  break;
+
+    case Xpause:               Lpause(x, y);                   break;
+
+    case Xboom_bug:            Lboom_bug(x, y);                break;
+    case Xboom_bomb:           Lboom_tank(x, y);               break;
+    case Xboom_android:                Lboom_android(x, y);            break;
+    case Xboom_1:              Lboom_1(x, y);                  break;
+    case Xboom_2:              Lboom_2(x, y);                  break;
+  }
+}
+
+void synchro_2(void)
+{
+  int x, y;
+
+  seed = RandomEM;
+  score = 0;
+
+  for (y = 1; y < HEIGHT - 1; y++)
+    for (x = 0; x < WIDTH; x++)
+      handle_tile(x, y);
+
+  if (ply[0].alive || ply[1].alive || ply[2].alive || ply[3].alive)
+    lev.score += score;                /* only add a score if someone is alive */
+  else
+    game_em.game_over = TRUE;
+
+  RandomEM = seed;
+
+  /* triple buffering */
+  void *temp = Cave;
+  Cave = Next;
+  Next = Draw;
+  Draw = temp;
+}