Mercurial > repos > blastem
changeset 1912:00fb99805445
Skip invalid registers when dumping initial YM2612 state to VGM log
| author | Michael Pavone <pavone@retrodev.com> |
|---|---|
| date | Sat, 28 Mar 2020 15:46:53 -0700 |
| parents | f2ed8df7a002 |
| children | 2c742812bcbb |
| files | ym2612.c |
| diffstat | 1 files changed, 8 insertions(+), 0 deletions(-) [+] |
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--- a/ym2612.c Sat Mar 28 15:46:30 2020 -0700 +++ b/ym2612.c Sat Mar 28 15:46:53 2020 -0700 @@ -784,10 +784,18 @@ vgm_ym2612_init(vgm, 6 * master_clock / context->clock_inc); context->vgm = vgm; for (uint8_t reg = YM_PART1_START; reg < YM_REG_END; reg++) { + if ((reg >= REG_DETUNE_MULT && (reg & 3) == 3) || (reg >= 0x2D && reg < REG_DETUNE_MULT) || reg == 0x23 || reg == 0x29) { + //skip invalid registers + continue; + } vgm_ym2612_part1_write(context->vgm, context->current_cycle, reg, context->part1_regs[reg - YM_PART1_START]); } for (uint8_t reg = YM_PART2_START; reg < YM_REG_END; reg++) { + if ((reg & 3) == 3 || (reg >= REG_FNUM_LOW_CH3 && reg < REG_ALG_FEEDBACK)) { + //skip invalid registers + continue; + } vgm_ym2612_part2_write(context->vgm, context->current_cycle, reg, context->part2_regs[reg - YM_PART2_START]); } }