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changes to sample rate storage

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as of now we store and use the actual sample rate as opposed to an index
fo a fixed rate table.

this allows for more flexibility in a future file format...
This commit is contained in:
tildearrow 2021-12-23 18:04:44 -05:00
parent 830e880a57
commit 7ba8607270
9 changed files with 66 additions and 49 deletions
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6
src/engine/platform/pce.cpp
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@ -76,10 +76,6 @@ static unsigned char noiseFreq[12]={
4,13,15,18,21,23,25,27,29,31,0,2
};
static int dacRates[6]={
224,224,162,112,81,56
};
void DivPlatformPCE::tick() {
for (int i=0; i<6; i++) {
chan[i].std.next();
@ -149,7 +145,7 @@ int DivPlatformPCE::dispatch(DivCommand c) {
}
chan[c.chan].dacPos=0;
chan[c.chan].dacPeriod=0;
chan[c.chan].dacRate=dacRates[parent->song.sample[chan[c.chan].dacSample]->rate];
chan[c.chan].dacRate=1789773/parent->song.sample[chan[c.chan].dacSample]->rate;
break;
}
chan[c.chan].baseFreq=round(FREQ_BASE/pow(2.0f,((float)c.value/12.0f)));