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Routines |
| Prev: 29681 | Up: Map | Next: 29726 |
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Used by the routine at ColouriseSprite.
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| 29682 | LD A,(30757) | A=*SpriteState. | ||||||||
| 29685 | AND A | Return if A is not zero. | ||||||||
| 29686 | RET NZ | |||||||||
| 29687 | LD HL,65528 | HL=65528. | ||||||||
| 29690 | ADD HL,BC | HL+=BC. | ||||||||
| 29691 | EXX | Switch to the shadow registers. | ||||||||
| 29692 | LD A,L | L'-=7. | ||||||||
| 29693 | SUB 7 | |||||||||
| 29695 | LD L,A | |||||||||
| 29696 | SBC A,A | A-=A. | ||||||||
| 29697 | ADD A,H | A+=H'. | ||||||||
| 29698 | LD H,A | H'=A. | ||||||||
| 29699 | LD DE,1024 | DE'=1024. | ||||||||
| 29702 | LD A,(HL) | A=*HL'. | ||||||||
| 29703 | EXX | Switch back to the normal registers. | ||||||||
| 29704 | OR (HL) | Set the bits from *HL. | ||||||||
| 29705 | XOR (HL) | Flip the bits according to *HL. | ||||||||
| 29706 | INC HL | Increment HL by two. | ||||||||
| 29707 | INC HL | |||||||||
| 29708 | EXX | Switch to the shadow registers. | ||||||||
| 29709 | CP (HL) | Jump to 29713 if A is equal to *HL'. | ||||||||
| 29710 | JR Z,29713 | |||||||||
| 29712 | INC E | Increment E' by one. | ||||||||
| 29713 | INC HL | Increment HL' by one. | ||||||||
| 29714 | DEC D | Decrease D' by one. | ||||||||
| 29715 | JR NZ,29702 | Jump to 29702 if D' is not zero. | ||||||||
| 29717 | INC HL | Increment HL' by three. | ||||||||
| 29718 | INC HL | |||||||||
| 29719 | INC HL | |||||||||
| 29720 | LD A,E | Write E' to *SpriteState. | ||||||||
| 29721 | LD (30757),A | |||||||||
| 29724 | EXX | Switch back to the normal registers. | ||||||||
| 29725 | RET | Return. | ||||||||
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