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N163: fix potential linear pitch regression

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how in the world
This commit is contained in:
tildearrow 2022-05-15 11:28:59 -05:00
parent 1e6b660d2c
commit 2fbc39bc90
1 changed files with 3 additions and 1 deletions
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4
src/engine/platform/n163.cpp
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@ -357,7 +357,9 @@ void DivPlatformN163::tick(bool sysTick) {
chan[i].waveUpdated=false; chan[i].waveUpdated=false;
} }
if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) { if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
chan[i].freq=parent->calcFreq((((chan[i].baseFreq*chan[i].waveLen)*(chanMax+1))/16),chan[i].pitch,false,0,chan[i].pitch2,chipClock,CHIP_FREQBASE); // TODO: what is this mess?
chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,0,chan[i].pitch2,chipClock,CHIP_FREQBASE);
chan[i].freq=(((chan[i].freq*chan[i].waveLen)*(chanMax+1))/16);
if (chan[i].freq<0) chan[i].freq=0; if (chan[i].freq<0) chan[i].freq=0;
if (chan[i].freq>0x3ffff) chan[i].freq=0x3ffff; if (chan[i].freq>0x3ffff) chan[i].freq=0x3ffff;
if (chan[i].keyOn) { if (chan[i].keyOn) {