Arduino-USB-HID-RetroJoystickAdapter/Keyboard_PS2/README.md

PS/2 keyboard as 4 USB-joysticks

Needs Atmega32u4 (e.g. Arduino Leonardo).

Needs custom ps2-library (PS2Keyboard_mcgurk.zip, unzip to libraries-folder).

Clock-signal must be in pin 2 (because of interrupts).

Edit button assignments manually.

Joystick 1: arrows = up/down/left/right R-ctrl = a alt gr = b enter = start R-shift = select

Joystick 2: W/S/A/D = up/down/left/right L-ctrl = a L-alt = b tab = start L-shift = select

Links

http://playground.arduino.cc/Main/PS2Keyboard

http://www.computer-engineering.org/ps2protocol/

http://www.computer-engineering.org/ps2keyboard/scancodes2.html