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OPN: ExtCh ALG effect

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tildearrow 2025-05-21 18:00:51 -05:00
parent ec1542a2b4
commit 39ecab5abd
5 changed files with 30 additions and 0 deletions
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6
src/engine/platform/ym2610bext.cpp
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@ -214,6 +214,12 @@ int DivPlatformYM2610BExt::dispatch(DivCommand c) {
rWrite(0x22,lfoValue);
break;
}
case DIV_CMD_FM_ALG: {
chan[extChanOffs].state.alg=c.value&7;
// TODO: TL compensation?
rWrite(ADDR_FB_ALG+chanOffs[extChanOffs],(chan[extChanOffs].state.alg&7)|(chan[extChanOffs].state.fb<<3));
break;
}
case DIV_CMD_FM_FB: {
chan[extChanOffs].state.fb=c.value&7;
rWrite(chanOffs[extChanOffs]+ADDR_FB_ALG,(chan[extChanOffs].state.alg&7)|(chan[extChanOffs].state.fb<<3));