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Routines |
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Used by the routine at 62526.
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| Sound_TileMoving | 57936 | LD A,5 | A=5. | |
| 57938 | LD C,175 | Set the frequency control (C) to 175. | ||
| Sound_TileMoving_Loop | 57940 | LD B,C | Set duration for this cycle to current frequency value. | |
| 57941 | SLA B | Double the duration. | ||
| Sound_TileMoving_PulseLoop | 57943 | DJNZ Sound_TileMoving_PulseLoop | Generate a single tone pulse. | |
| 57945 | XOR %00010000 | Flip bit 4. | ||
| 57947 | OUT (254),A | Send to the speaker. | ||
| 57949 | DEC C | Decrease frequency (raises pitch, shortens next cycle). | ||
| 57950 | JR NZ,Sound_TileMoving_Loop | Jump to Sound_TileMoving_Loop until the frequency is zero. | ||
| 57952 | RET | Return. | ||
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