| C64 ROM | Routines |
| Prev: EDC7 | Up: Map | Next: EDDD |
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Used by the routine at F20E.
return address from patch 6
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| EDCC | 78 | SEI | disable the interrupts | |
| EDCD | 20 A0 EE | JSR $EEA0 | set the serial data out low | |
| EDD0 | 20 BE ED | JSR $EDBE | set serial ATN high | |
| EDD3 | 20 85 EE | JSR $EE85 | set the serial clock out high | |
| EDD6 | 20 A9 EE | JSR $EEA9 | get the serial data status in Cb | |
| EDD9 | 30 FB | BMI $EDD6 | loop if the clock is high | |
| EDDB | 58 | CLI | enable the interrupts | |
| EDDC | 60 | RTS | ||
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