+
+ short cavebuf[EM_MAX_CAVE_WIDTH][EM_MAX_CAVE_HEIGHT];
+ short nextbuf[EM_MAX_CAVE_WIDTH][EM_MAX_CAVE_HEIGHT];
+ short drawbuf[EM_MAX_CAVE_WIDTH][EM_MAX_CAVE_HEIGHT];
+ short boombuf[EM_MAX_CAVE_WIDTH][EM_MAX_CAVE_HEIGHT];
+
+ short *cavecol[EM_MAX_CAVE_WIDTH];
+ short *nextcol[EM_MAX_CAVE_WIDTH];
+ short *drawcol[EM_MAX_CAVE_WIDTH];
+ short *boomcol[EM_MAX_CAVE_WIDTH];
+
+ short **cave;
+ short **next;
+ short **draw;
+ short **boom;