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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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5
src/engine/platform/arcade.cpp
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@ -9,9 +9,6 @@ static unsigned short chanOffs[8]={
static unsigned short opOffs[4]={
0x00, 0x08, 0x10, 0x18
};
static int pcmRates[6]={
65,65,90,131,180,255
};
static bool isOutput[8][4]={
// 1 3 2 4
{false,false,false,true},
@ -217,7 +214,7 @@ int DivPlatformArcade::dispatch(DivCommand c) {
break;
}
chan[c.chan].pcm.pos=0;
chan[c.chan].pcm.freq=pcmRates[parent->song.sample[chan[c.chan].pcm.sample]->rate];
chan[c.chan].pcm.freq=MIN(255,(parent->song.sample[chan[c.chan].pcm.sample]->rate*255)/31250);
break;
}
DivInstrument* ins=parent->getIns(chan[c.chan].ins);