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Routines |
| Prev: B8D4 | Up: Map | Next: B8E8 |
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Used by the routines at B460, SoundsLaserBeam, B8B4, SoundsPickupItem, B8E8, B8F2, B8FF, B918 and B922.
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| PlaySquareWave | B8DA | LD B,C | Decrease duration by one and loop back to Silence_Loop until duration is zero. | |||||
| Silence_Loop | B8DB | DJNZ Silence_Loop | ||||||
| B8DD | LD A,$10 | A=10 (speaker on = bit 4). | ||||||
| B8DF | OUT ($FE),A | |||||||
| B8E1 | LD B,C | Decrease duration by one and loop back to PlaySquareWave_Loop until duration is zero. | ||||||
| PlaySquareWave_Loop | B8E2 | DJNZ PlaySquareWave_Loop | ||||||
| B8E4 | XOR A | Speaker off. | ||||||
| B8E5 | OUT ($FE),A | |||||||
| B8E7 | RET | Return. | ||||||
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