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Routines |
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| 30258 | LD HL,55583 | Point HL at the end of the buffer at 55563 | |||||||
| 30261 | RRCA | Discard the baseline bit | |||||||
| 30262 | LD C,7 | We will consider the remaining 7 bits | |||||||
| 30264 | LD B,3 | The buffer is 3 character squares wide | |||||||
| 30266 | RRCA | Drop a bit into the carry flag | |||||||
| 30267 | RL (HL) | Pick it up in the buffer and shift the other pixels in this row one to the left | |||||||
| 30269 | DEC HL | ||||||||
| 30270 | DJNZ 30267 | ||||||||
| 30272 | DEC C | Next bit | |||||||
| 30273 | JR NZ,30264 | Jump back until all 7 bits in the column are done | |||||||
| 30275 | RET | ||||||||
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