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Routines |
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If the requested sound has a lower index than the sound already pending then the requested sound overrides the pending sound (i.e. lower index has higher priority).
This routine is used to ensure that certain sounds are only played when a given entity is in the current character's room. For example it will cause Drutt's hopping sound to play only when Drutt is in the same room as the current character.
Used by the routine at 48133.
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| 59601 | PUSH AF | Store AF (A = index of requested sound) | ||||||||
| 59602 | LD A,(34218) | If current character's current room is the same as current room of target entity then skip ahead to 59612 | ||||||||
| 59605 | CP (IX+0) | |||||||||
| 59608 | JR Z,59612 | |||||||||
| 59610 | POP AF | Restore AF (A = index of requested sound) | ||||||||
| 59611 | RET | Return | ||||||||
| 59612 | POP AF | Restore AF (A = index of requested sound) | ||||||||
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This entry point is used by the routines at 46284, 55196 and 59722.
At this point, A will hold the index of a requested sound, and RAM address 34273 will contain the index of a pending sound. If the index of the requested sound is lower than the index of the pending sound, then the pending sound's index at 34273 will be overwritten by the index of the requested sound in A. Sounds with lower indices therefore take priority over sounds with higher indices.
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| 59613 | OR A | If index of requested sound is zero then return | ||||||||
| 59614 | RET Z | |||||||||
| 59615 | PUSH DE | Load E with requested sound index | ||||||||
| 59616 | LD E,A | |||||||||
| 59617 | LD A,(34273) | If index of pending sound is zero then skip ahead to 59628 | ||||||||
| 59620 | OR A | |||||||||
| 59621 | JR Z,59628 | |||||||||
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Index of pending sound is not zero
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| 59623 | CP E | If index of requested sound is less than or equal to index of pending sound then skip ahead to 59628 | ||||||||
| 59624 | JR NC,59628 | |||||||||
| 59626 | POP DE | Return | ||||||||
| 59627 | RET | |||||||||
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Index of pending sound is zero
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| 59628 | LD A,E | Set requested sound to be new pending sound | ||||||||
| 59629 | LD (34273),A | |||||||||
| 59632 | POP DE | Return | ||||||||
| 59633 | RET | |||||||||
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