#define MV_BIT_RIGHT 1
#define MV_BIT_UP 2
#define MV_BIT_DOWN 3
+#define NUM_MV_DIRECTIONS 4
#define MV_NO_MOVING 0
#define MV_LEFT (1 << MV_BIT_LEFT)
#define KEY_BUTTON (KEY_BUTTON_1 | KEY_BUTTON_2)
#define KEY_ACTION (KEY_MOTION | KEY_BUTTON)
-#define LOG_MV_DIR(x) ((x) == MV_LEFT ? MV_BIT_LEFT : \
+#define MV_DIR_BIT(x) ((x) == MV_LEFT ? MV_BIT_LEFT : \
(x) == MV_RIGHT ? MV_BIT_RIGHT : \
(x) == MV_UP ? MV_BIT_UP : MV_BIT_DOWN)