Minus4j by Mike Dailly. Updates from http://minus4.plus4.net


click on window to use.
F7 --- Sound ON/OFF
F8 --- FPS display ON/OFF
F9 --- Frameskip
F10 -- Joystick 1 ON/OFF
F11 -- Joystick 2 ON/OFF
F12 -- Debugger
INSERT -- Reset