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