Originally Posted By: dabonetn

Quick question, I'm trying to use this firmware to interface Apple ][ and Radioshack coco joysticks.
On the coco joystick pushing the button takes it to gnd (0).
On the apple joystick pressing a button takes it to +5 (1).

lnly shift register helps to you:
CD4021 - tested and work very good (Thrustmaster grips/Defender Cobra M5)
74HC165 - testing now...