+ case KEY_d:
+ if (options.debug)
+ {
+ options.debug = FALSE;
+ printf("debug mode disabled\n");
+ }
+ else
+ {
+ options.debug = TRUE;
+ printf("debug mode enabled\n");
+ }
+ break;
+
+ case KEY_s:
+ if (!global.fps_slowdown)
+ {
+ global.fps_slowdown = TRUE;
+ global.fps_slowdown_factor = 2;
+ printf("fps slowdown enabled -- display only every 2nd frame\n");
+ }
+ else if (global.fps_slowdown_factor == 2)
+ {
+ global.fps_slowdown_factor = 4;
+ printf("fps slowdown enabled -- display only every 4th frame\n");
+ }
+ else
+ {
+ global.fps_slowdown = FALSE;
+ global.fps_slowdown_factor = 1;
+ printf("fps slowdown disabled\n");
+ }
+ break;