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Routines |
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Used by the routines at SoundHandler_UnlockedDoor, SoundHandler_CaughtByPirate and SoundHandler_CollectedItem.
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| PlayWave4 | F6B5 | PUSH BC | Stash the delay counter on the stack twice. | |||||||
| F6B6 | PUSH BC | |||||||||
| F6B7 | CALL Delay_Loop | Call Delay_Loop. | ||||||||
| F6BA | LD BC,$FFFE | Send *Active_BorderColour to the speaker. | ||||||||
| F6BD | LD A,($5BD0) | |||||||||
| F6C0 | OUT (C),A | |||||||||
| F6C2 | POP BC | Restore the delay counter from the stack. | ||||||||
| F6C3 | CALL Delay_Loop | Call Delay_Loop. | ||||||||
| F6C6 | LD BC,$FFFE | BC=FFFE (C points to the speaker port). | ||||||||
| F6C9 | LD A,($5BD0) | A=*Active_BorderColour. | ||||||||
| F6CC | OR %00010000 | Turn on the speaker (set bit 4). | ||||||||
| F6CE | OUT (C),A | Send A to the speaker port. | ||||||||
| F6D0 | POP BC | Restore the other delay counter from the stack. | ||||||||
| F6D1 | DEC BC | Decrease the delay counter by one. | ||||||||
| F6D2 | LD A,C | Return if the delay counter is zero. | ||||||||
| F6D3 | OR B | |||||||||
| F6D4 | RET Z | |||||||||
| F6D5 | DEC DE | Decrease the duration counter by one. | ||||||||
| F6D6 | LD A,D | Keep looping back to PlayWave4 until the duration counter is zero. | ||||||||
| F6D7 | OR E | |||||||||
| F6D8 | JR NZ,PlayWave4 | |||||||||
| F6DA | RET | Return. | ||||||||
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