AFAIK, all mice have the same basic circuit and wiring scheme (ignoring an USB interface, if any).
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Nope. most PC "PS/2" mice are roughly alike, (serial mice and USB mice are different), the mention of a Z80 should have misled you into another direction - Z80-based computers with custom mice.
That would also be a wrong answer, but a natural one. He is looking for a Microtek brand MICE-II 8051 & Z80 In Circuit Emulator, not a computer mouse.
-- Guy Macon
Ahhh...different cheese (so to speak).
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