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Routines |
| Prev: 28625 | Up: Map | Next: 28696 |
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| 28631 | PUSH BC | Store BC (C = horizontal / vertical mirror options) | ||||||||||||
| 28632 | PUSH HL | Store HL (H = y-coordinate, L = x-coordinate) | ||||||||||||
| 28633 | LD L,A | Load four times index of graphic to draw into HL... | ||||||||||||
| 28634 | LD H,0 | ... | ||||||||||||
| 28636 | ADD HL,HL | ... | ||||||||||||
| 28637 | ADD HL,HL | ... | ||||||||||||
| 28638 | LD BC,55950 | ...and add (in HL) to address of start of graphics data lookup table at 55950 as an offset... | ||||||||||||
| 28641 | ADD HL,BC | ... | ||||||||||||
| 28642 | LD C,(HL) | Load width & height at this location into BC... | ||||||||||||
| 28643 | INC HL | ... | ||||||||||||
| 28644 | LD B,(HL) | ... | ||||||||||||
| 28645 | INC HL | ... | ||||||||||||
| 28646 | LD A,(HL) | Load address of graphic data into HL... | ||||||||||||
| 28647 | INC HL | ... | ||||||||||||
| 28648 | LD H,(HL) | ... | ||||||||||||
| 28649 | LD L,A | ... | ||||||||||||
| 28650 | LD (23447),HL | ...and store at 23447 | ||||||||||||
| 28653 | POP HL | Restore HL (H = y-coordinate, L = x-coordinate)... | ||||||||||||
| 28654 | LD (23493),HL | ...and store at 23493 | ||||||||||||
| 28657 | ADD HL,BC | Add width and height to get coordinates (x+1, y+1) of bottom right of graphic to draw... | ||||||||||||
| 28658 | LD (23495),HL | ...and store at 23495 | ||||||||||||
| 28661 | POP BC | Restore BC (C = horizontal / vertical mirror options) | ||||||||||||
| 28662 | LD A,C | If both mirror options are switched off... | ||||||||||||
| 28663 | AND 3 | ... | ||||||||||||
| 28665 | JP Z,28684 | ...then skip ahead to 28684 | ||||||||||||
| 28668 | CP 1 | If only the apply-vertical-mirror option is switched on... | ||||||||||||
| 28670 | JP Z,28687 | ...then skip ahead to 28687 | ||||||||||||
| 28673 | CP 2 | If only the apply-horizontal-mirror option is switched on... | ||||||||||||
| 28675 | JP Z,28690 | ...then skip ahead to 28690 | ||||||||||||
| 28678 | CP 3 | If both mirror options are switched on... | ||||||||||||
| 28680 | JP Z,28693 | ...then skip ahead to 28693 | ||||||||||||
| 28683 | RET | Return | ||||||||||||
| 28684 | JP 52513 | Reset apply-vertical-mirror flag, reset apply-horizontal-mirror flag, draw the graphic and return | ||||||||||||
| 28687 | JP 52535 | Set apply-vertical-mirror flag, reset apply-horizontal-mirror flag, draw the graphic and return | ||||||||||||
| 28690 | JP 52566 | Reset apply-vertical-mirror flag, set apply-horizontal-mirror flag, draw the graphic and return | ||||||||||||
| 28693 | JP 52596 | Set apply-vertical-mirror flag, set apply-horizontal-mirror flag, draw the graphic and return | ||||||||||||
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