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Routines |
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Used by the routine at RUN_PICTURE.
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| ATTR_DOWN | 8106 | PUSH AF | ||
| 8107 | PUSH DE | |||
| 8108 | LD DE,$0020 | Down a row: 32 cells on | ||
| 810B | ADD HL,DE | |||
| 810C | LD A,H | Still within the picture's rows? Then jump into the middle of the SBC below... | ||
| 810D | CP $5A | |||
| 810F | JR NZ,$8113 | |||
| 8111 | AND A | ...whose second byte, $52, is LD D,D: a one-byte no-op. Reached from the top it undoes the move; from the JR it is skipped | ||
| ROW_UNDO | 8112 | SBC HL,DE | ||
| 8114 | POP DE | |||
| 8115 | POP AF | |||
| 8116 | RET | |||
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