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Routines |
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| PlaySquareWave | 25770 | LD A,16 | A=16 (speaker on = bit 4). | |||||
| 25772 | OUT (254),A | |||||||
| 25774 | LD B,D | Decrease duration by one and loop back to PlaySquareWave_Loop until counter is zero. | ||||||
| PlaySquareWave_Loop | 25775 | DJNZ PlaySquareWave_Loop | ||||||
| 25777 | XOR A | Speaker off. | ||||||
| 25778 | OUT (254),A | |||||||
| 25780 | LD B,D | Decrease duration by one and loop back to Silence_Loop until counter is zero. | ||||||
| Silence_Loop | 25781 | DJNZ Silence_Loop | ||||||
| 25783 | RET | Return. | ||||||
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