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Routines |
| A | Pixel column |
| 44520 | EXX | |
| 44521 | LD HL,23551 | Point HL at the end of the graphic buffer (23296-23551) |
| 44524 | LD C,8 | There are 8 pixel rows in the graphic buffer |
| 44526 | LD B,32 | Append a pixel to the row and slide all the other pixels back one space to the left |
| 44528 | RRCA | |
| 44529 | RL (HL) | |
| 44531 | DEC HL | |
| 44532 | DJNZ 44529 | |
| 44534 | DEC C | Next pixel row |
| 44535 | JR NZ,44526 | Jump back until all 8 pixels rows are done |
| 44537 | EXX | |
| 44538 | RET |