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 Macintosh Mouse

Macintosh 128/512/Plus mouse

Type: DE9

Pin Function Details
1 CGND Chassis ground
2 +5V +5 VDC
3 CGND Chassis ground
4 X2 Horiz. movement (to VIA PB4 line)
5 X1 Horiz. movement (to SCC DCDA-line)
6 n/c Not connected
7 SW- Mouse button line (to VIA PB3)
8 Y2 Vert. movement (to VIA PB5 line)
9 Y1 Vert. movement (to SCC DCDB-line)



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