|
Routines |
| Prev: 9E86 | Up: Map | Next: 9EA3 |
|
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.
|
||||||||
| PlayClick | 9E93 | LD A,$10 | Set the speaker bit. | |||||
| 9E95 | OUT ($FE),A | Write to the port. | ||||||
| 9E97 | LD A,B | Save the length in A. | ||||||
| PlayClick_Pulse | 9E98 | DJNZ PlayClick_Pulse | Wait for the length of the pulse. | |||||
| 9E9A | LD B,A | Restore the length in B. | ||||||
| 9E9B | XOR A | Clear the speaker bit. | ||||||
| 9E9C | OUT ($FE),A | Write to the port. | ||||||
| 9E9E | LD A,B | Save the length in A. | ||||||
| PlayClick_Gap | 9E9F | DJNZ PlayClick_Gap | Wait for the length of the gap. | |||||
| 9EA1 | LD B,A | Restore the length in B. | ||||||
| 9EA2 | RET | Return. | ||||||
|
View the equivalent code in;
|
||||||||
| Prev: 9E86 | Up: Map | Next: 9EA3 |