-#define DF_NO_PUSH 0
-#define DF_DIG 1
-#define DF_SNAP 2
-
-#define MF_NO_ACTION 0
-#define MF_MOVING 1
-#define MF_ACTION 2
-
-#define SCROLL_INIT 0
-#define SCROLL_GO_ON 1
-
-/* explosion position and phase marks */
-#define EX_PHASE_START 0
-#define EX_NORMAL 0
-#define EX_CENTER 1
-#define EX_BORDER 2
-
-/* fundamental game speed */
-#define GAME_FRAME_DELAY 20 /* frame delay in milliseconds */
-#define FFWD_FRAME_DELAY 10 /* 200% speed for fast forward */
-#define FRAMES_PER_SECOND (1000 / GAME_FRAME_DELAY)
-