ADB keyboard hacks

This info was found while i searched for technical details of Apples ADB TrackPad as built into my iBook 16VRAM (used to hack it a bit).

• Fn-Key control: articles 1 and 2 stating:

  If you write 0xc6 0x01 to register 1 of the keyboard, the Fx keys will be real function keys by default and Fn will trigger the control buttons. Write 0xc6 00 to revert the behaviour to default.

  
  
• LED configuration: ADB - The Untold Story: Space Aliens Ate My Mouse states that the Keyboard LEDs (capslock, numlock, scrolllock) for extended keyboards can be controlled by the three low bits of register 2