| C64 ROM | Routines |
| Prev: EE85 | Up: Map | Next: EE97 |
| EE8E | AD 00 DD | LDA $DD00 | read VIA 2 DRA, serial port and video address | |
| EE91 | 09 10 | ORA #%00010000 | mask xxx1 xxxx, set serial clock out low | |
| EE93 | 8D 00 DD | STA $DD00 | save VIA 2 DRA, serial port and video address | |
| EE96 | 60 | RTS | ||
| Prev: EE85 | Up: Map | Next: EE97 |