#define START_LIVES 4
-#define MAX_BULLETS 1
+#define MAX_BULLETS 2
-#define GRAVITY 1.0
#define YM_FOR_JUMP 6.0
#define WALK_ACCELERATION_X 0.03
#define RUN_ACCELERATION_X 0.04
#define LEVEL_WIDTH 375
+/* Timing constants (in ms): */
+
+#define KICKING_TIME 200
+
+/* Scrolling text speed */
+
+#define SCROLL_SPEED_CREDITS 2.0
+#define SCROLL_SPEED_MESSAGE 1.0
/* Debugging */