| C64 | Dir | Printer | ||
|---|---|---|---|---|
| GND | 1,12,A,N | - | 19-30,33 | Ground |
| FLAG2 | B | IN | 10 | Acknowledge |
| PB0 | C | OUT | 2 | Data 0 |
| PB1 | D | OUT | 3 | Data 1 |
| PB2 | E | OUT | 4 | Data 2 |
| PB3 | F | OUT | 5 | Data 3 |
| PB4 | H | OUT | 6 | Data 4 |
| PB5 | J | OUT | 7 | Data 5 |
| PB6 | K | OUT | 8 | Data 6 |
| PB7 | L | OUT | 9 | Data 7 |
| PA2 | M | OUT | 1 | Strobe |
| GND | 3 | OUT | 31 | Initialize Printer |
