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Routines |
| Prev: 751C | Up: Map | Next: 7568 |
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Used by the routine at 74A5.
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| ActorFindPosDir | 7542 | LD A,($5E0B) | A=actor X position. | |
| 7545 | AND %00000110 | Keep only bits 1-2. | ||
| 7547 | LD C,A | Store the result in C. | ||
| 7548 | LD A,($5E0D) | A=actor movement direction. | ||
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Actor: Get Sprite Address
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| ActorGetSpriteAddress | 754B | BIT 6,A | Jump to ActorFindPosDir_0 if bit 6 of sprite header is reset. | |
| 754D | JR Z,ActorFindPosDir_0 | |||
| 754F | SET 3,C | |||
| ActorFindPosDir_0 | 7551 | DEC A | ||
| 7552 | CP $03 | |||
| 7554 | JR NC,$7568 | |||
| 7556 | RLCA | |||
| 7557 | RLCA | |||
| 7558 | RLCA | |||
| 7559 | RLCA | |||
| 755A | AND %11110000 | Keep only bits 4-7. | ||
| 755C | OR C | |||
| 755D | LD HL,$761A | HL=SpritesTable. | ||
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This entry point is used by the routine at 7568.
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| ActorFindPosDir_1 | 7560 | LD C,A | Create an offset in BC. | |
| 7561 | LD B,$00 | |||
| 7563 | ADD HL,BC | HL=sprite table + offset. | ||
| 7564 | LD E,(HL) | DE=sprite address. | ||
| 7565 | INC HL | |||
| 7566 | LD D,(HL) | |||
| 7567 | RET | Return. | ||
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