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Routines |
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Used by the routine at Play_MenuMusicTick.
Hold silence while both channel durations are zero, or when Continue_MenuMusicTick takes the clear-carry path into Hold_MenuMusicSilence_Loop. Burns a delay derived from FC8F, then returns.
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| Hold_MenuMusicSilence | FD22 | LD A,($FC8F) | Load the delay phase from FC8F. | |
| FD25 | CPL | Complement it into C as a hold count. | ||
| FD26 | LD C,A | |||
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This entry point is used by the routine at Continue_MenuMusicTick.
Timed silent hold used by Continue_MenuMusicTick and the expired-duration path.
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| Hold_MenuMusicSilence_Loop | FD27 | PUSH BC | Stash BC and AF on the stack. | |
| FD28 | PUSH AF | |||
| FD29 | LD B,$00 | Clear B for the inner burn count. | ||
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Burn cycles for one silent-hold iteration.
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| Hold_MenuMusicSilence_Burn | FD2B | PUSH HL | Stash HL on the stack. | |
| FD2C | LD HL,$0000 | Point HL at 0000. | ||
| FD2F | SRA (HL) | Burn cycles with three SRA (HL) pads. |
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| FD31 | SRA (HL) | |||
| FD33 | SRA (HL) | |||
| FD35 | NOP | Timing pad. | ||
| FD36 | POP HL | Restore HL from the stack. | ||
| FD37 | DJNZ Hold_MenuMusicSilence_Burn | Decrease B and loop to Hold_MenuMusicSilence_Burn while the burn count remains. | ||
| FD39 | DEC C | Decrease the hold count in C. | ||
| FD3A | JP NZ,Hold_MenuMusicSilence_Burn | If the hold count remains, jump to Hold_MenuMusicSilence_Burn. | ||
| FD3D | POP AF | Restore AF and BC from the stack. | ||
| FD3E | POP BC | |||
| FD3F | RET | Return. | ||
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