<<<<< BALL BEARING >>>>>

Joy1 up: move up.
Joy1 down: move down.
Pause button: pause / unpause.
Quit: pause button, then joy1 fire2.
CHEAT inbuilt: Pause button, then joy1 fire1 (infinite lives).

MENU:
Joy1 Fire1: start.
2: keyboard.
3: joystick.
Joy1 Fire2: difficult level.

You have to turn off the console if you get to the end of the game.