I'm making a ps2 interface for the cbm 700 but I have very little information on this machine (not seen it since 1984/1985) Apparently there are not connector inside the machine ? only a DB25 connector ? from the schematics on zimmer I made this table: SIGNAL PORT PIN 6525 PIN DB25 ROW0 PC0 25 13 ROW1 PC1 26 19 ROW2 PC2 27 20 ROW3 PC3 28 21 ROW4 PC4 29 23 ROW5 PC5 30 13 COL0 PA0 2 12 COL1 PA1 3 11 COL2 PA2 4 10 COL3 PA3 5 9 COL4 PA4 6 8 COL5 PA5 7 7 COL6 PA6 8 6 COL7 PA7 9 5 COL8 PB0 10 17 COL9 PB1 11 4 COL10 PB2 12 16 COL11 PB3 13 3 COL12 PB4 14 15 COL13 PB5 15 2 COL14 PB6 16 14 COL15 PB7 17 1 GND 22 GND 23 GND 24 could you confirm if it's correct - not sure row/col are not inverted - not sure the col number are not inverted - not sure the row number are not inverted thanksReceived on 2018-03-24 11:00:03
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