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Routines |
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Used by the routine at SelectNextTile.
Sets the tile to look at next to the one in the zone above the current one, at the bottom of it, for SelectNextTile.
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| SelectPreviousZone | 48656 | LD A,(23595) | The object reaches into the zone above. | |
| 48659 | LD (23597),A | Update the segment screen row. | ||
| 48662 | LD HL,(23600) | Fetch the word at BackToFrontFlag into HL. | ||
| 48665 | DEC H | Step H back. | ||
| 48666 | LD L,183 | L=183. | ||
| 48668 | LD (49025),HL | The tile in the zone above, at its bottom. | ||
| 48671 | LD A,(52803) | The segment column. | ||
| 48674 | LD (23596),A | Update the segment screen column. | ||
| 48677 | RET | Return. | ||
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