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Routines |
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The handler for sound effect actors with the ID 25. Each time it is called it plays a number of cycles (IX+2), and then makes the period (IX+3) shorter, which raises the pitch. The actor is removed when the period reaches zero.
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| Handler_RisingSweep | 26760 | DEC (IX+3) | Decrease the period by one, which raises the pitch. | |||||
| 26763 | JR Z,RemoveActor | Jump to RemoveActor if the period is zero. | ||||||
| 26765 | LD D,(IX+3) | Fetch the period. | ||||||
| 26768 | LD C,(IX+2) | Fetch the number of cycles. | ||||||
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This entry point is used by the routine at Handler_Notes.
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| Handler_PlayCycles | 26771 | CALL PlaySquareWave | Play a cycle using PlaySquareWave. | |||||
| 26774 | DEC C | Decrease the cycle counter by one. | ||||||
| 26775 | JR NZ,Handler_PlayCycles | Loop back to Handler_PlayCycles until all of the cycles have been played. | ||||||
| 26777 | RET | Return. | ||||||
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