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Routines |
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Used by the routines at ShowEnding, MakeEntitySound, UpdateBurstEntity, IncreaseEntityCounter, PlayFanfare, PlayRisingSweep, PlayFallingSweep, PlayShortRisingSweep, PlaySlowFall, PlayShotSound and CountDownTime.
Plays one cycle of a tone in which the pulse and the gap are equally long.
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| PlayClick | 40595 | LD A,16 | Set the speaker bit. | |||||
| 40597 | OUT (254),A | Write to the port. | ||||||
| 40599 | LD A,B | Save the length in A. | ||||||
| PlayClick_Pulse | 40600 | DJNZ PlayClick_Pulse | Wait for the length of the pulse. | |||||
| 40602 | LD B,A | Restore the length in B. | ||||||
| 40603 | XOR A | Clear the speaker bit. | ||||||
| 40604 | OUT (254),A | Write to the port. | ||||||
| 40606 | LD A,B | Save the length in A. | ||||||
| PlayClick_Gap | 40607 | DJNZ PlayClick_Gap | Wait for the length of the gap. | |||||
| 40609 | LD B,A | Restore the length in B. | ||||||
| 40610 | RET | Return. | ||||||
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View the equivalent code in;
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