+/* values for special move patterns (stored in level files) */
+#define MV_BIT_HORIZONTAL 4
+#define MV_BIT_VERTICAL 5
+#define MV_BIT_ALL_DIRECTIONS 6
+#define MV_BIT_TOWARDS_PLAYER 7
+#define MV_BIT_AWAY_FROM_PLAYER 8
+#define MV_BIT_ALONG_LEFT_SIDE 9
+#define MV_BIT_ALONG_RIGHT_SIDE 10
+
+#define NUM_MOVE_PATTERNS 11
+
+/* values for move direction and special "button" key bitmasks */