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Routines |
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Used by the routine at Play_MenuMusicCoda.
Finalise one coda step: scale the pitch, index the ROM beeper helper, then return with interrupts disabled.
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| Sound_CodaBeep | 65034 | LD A,L | Copy the pitch low byte into A. | |
| 65035 | SRL L | Divide L by 4 with two logical shifts right. | ||
| 65037 | SRL L | |||
| 65039 | CPL | Complement A. | ||
| 65040 | AND %00000011 | Keep only the bottom two bits of A. | ||
| 65042 | LD C,A | Copy that index into C and clear B. | ||
| 65043 | LD B,0 | |||
| 65045 | LD IX,977 | Point IX at BEEPER and index it by BC. | ||
| 65049 | ADD IX,BC | |||
| 65051 | LD A,(64646) | Load the border and speaker bits from 64646. | ||
| 65054 | CALL 980 | Call BEEPER. | ||
| 65057 | DI | Disable interrupts. | ||
| 65058 | RET | Return. | ||
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