otomatalabs/furnace
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Reduce duplication

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This commit is contained in:
cam900 2022-12-11 16:49:54 +09:00
parent ed779f443a
commit 2339dfe2aa
3 changed files with 7 additions and 5 deletions
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8
src/engine/platform/k007232.cpp
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@ -146,9 +146,10 @@ void DivPlatformK007232::tick(bool sysTick) {
}
}
if (chan[i].volumeChanged) {
chan[i].resVol=isMuted[i]?0:chan[i].outVol&0xf;
if (stereo) {
chan[i].lvol=isMuted[i]?0:(((chan[i].outVol&0xf)*((chan[i].panning>>0)&0xf))/15);
chan[i].rvol=isMuted[i]?0:(((chan[i].outVol&0xf)*((chan[i].panning>>4)&0xf))/15);
chan[i].lvol=((chan[i].resVol&0xf)*((chan[i].panning>>0)&0xf))/15;
chan[i].rvol=((chan[i].resVol&0xf)*((chan[i].panning>>4)&0xf))/15;
const int newPan=(chan[i].lvol&0xf)|((chan[i].rvol&0xf)<<4);
if (chan[i].prevPan!=newPan) {
rWrite(0x10+i,(chan[i].lvol&0xf)|((chan[i].rvol&0xf)<<4));
@ -156,9 +157,8 @@ void DivPlatformK007232::tick(bool sysTick) {
}
}
else {
chan[i].lvol=chan[i].rvol=isMuted[i]?0:chan[i].outVol&0xf;
const unsigned char prevVolume=lastVolume;
lastVolume=(lastVolume&~(0xf<<(i<<2)))|((chan[i].lvol&0xf)<<(i<<2));
lastVolume=(lastVolume&~(0xf<<(i<<2)))|((chan[i].resVol&0xf)<<(i<<2));
if (prevVolume!=lastVolume) {
rWrite(0xc,lastVolume);
}