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[Core/Sound] minor YM2612 optimization

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This commit is contained in:
EkeEke 2017-04-09 19:31:40 +02:00
parent 8f15c1d43b
commit 4c04c8f719
1 changed files with 6 additions and 7 deletions
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13
core/sound/ym2612.c
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@ -1477,13 +1477,12 @@ INLINE void chan_calc(FM_CH *CH, int num)
if ((ym2612.OPN.ST.mode & 0xC0) && (CH == &ym2612.CH[2]))
{
/* keyscale code is not modifiedby LFO */
UINT8 kc = CH->kcode;
UINT32 pm = CH->pms + ym2612.OPN.LFO_PM;
update_phase_lfo_slot(&CH->SLOT[SLOT1], pm, kc, ym2612.OPN.SL3.block_fnum[1]);
update_phase_lfo_slot(&CH->SLOT[SLOT2], pm, kc, ym2612.OPN.SL3.block_fnum[2]);
update_phase_lfo_slot(&CH->SLOT[SLOT3], pm, kc, ym2612.OPN.SL3.block_fnum[0]);
update_phase_lfo_slot(&CH->SLOT[SLOT4], pm, kc, CH->block_fnum);
UINT8 kc = ym2612.CH[2].kcode;
UINT32 pm = ym2612.CH[2].pms + ym2612.OPN.LFO_PM;
update_phase_lfo_slot(&ym2612.CH[2].SLOT[SLOT1], pm, kc, ym2612.OPN.SL3.block_fnum[1]);
update_phase_lfo_slot(&ym2612.CH[2].SLOT[SLOT2], pm, kc, ym2612.OPN.SL3.block_fnum[2]);
update_phase_lfo_slot(&ym2612.CH[2].SLOT[SLOT3], pm, kc, ym2612.OPN.SL3.block_fnum[0]);
update_phase_lfo_slot(&ym2612.CH[2].SLOT[SLOT4], pm, kc, ym2612.CH[2].block_fnum);
}
else
{