(To C64).
(To PC).
DZM 12 DREH to the C64 UserPort.
25 PIN D-SUB MALE to the PC
| C64 | Dir | PC | ||
|---|---|---|---|---|
| GND | A |  |
25 | GND |
| PB0 | C |  |
10 | /ACK |
| PB1 | D | |
11 | BUSY |
| PB2 | E | |
12 | PE |
| PB3 | F |  |
5 | D3 |
| PB4 | H | |
6 | D4 |
| PB5 | J | |
7 | D5 |
| PB6 | K | |
8 | D6 |
| PB7 | L | |
9 | D7 |