Kempston Mouse
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The Kempston mouse was a Bus mouse interface.
Note, the original Mice have a different pinout to either Amiga, Atari or Datel mice, so don't mix them up!
Port | Port # | decoding | Usage | Notes |
---|---|---|---|---|
64479 | FBDF | xxxx x011 xx0x xxxx | X axis | 00-FF Roll over at 0 |
65503 | FFDF | xxxx x111 xx0x xxxx | Y Axis | 00-FF Roll over at 0 |
64223 | FADF | xxxx xx10 xx0x xxxx | Buttons | D0:Right D1:Left D2:Middle (Some compatables only) |