| C64 ROM | Routines |
| Prev: B465 | Up: Map | Next: B47D |
| B475 | A6 64 | LDX $64 | get descriptor pointer low byte | |
| B477 | A4 65 | LDY $65 | get descriptor pointer high byte | |
| B479 | 86 50 | STX $50 | save descriptor pointer low byte | |
| B47B | 84 51 | STY $51 | save descriptor pointer high byte | |
| Prev: B465 | Up: Map | Next: B47D |