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Lynx: more sample improvements

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tildearrow 2022-05-26 00:50:11 -05:00
parent b0c8cfc1f6
commit 6260bcef54
1 changed files with 12 additions and 5 deletions
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13
src/engine/platform/lynx.cpp
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@ -154,7 +154,7 @@ void DivPlatformLynx::acquire(short* bufL, short* bufR, size_t start, size_t len
WRITE_VOLUME(i,0);
chan[i].samplePos++;
} else {
WRITE_VOLUME(i,s->data8[chan[i].samplePos++]);
WRITE_VOLUME(i,(s->data8[chan[i].samplePos++]*chan[i].outVol)>>7);
}
if (chan[i].samplePos>=(int)s->samples) {
chan[i].sample=-1;
@ -172,9 +172,13 @@ void DivPlatformLynx::tick(bool sysTick) {
for (int i=0; i<4; i++) {
chan[i].std.next();
if (chan[i].std.vol.had) {
if (chan[i].pcm) {
chan[i].outVol=((chan[i].vol&127)*MIN(64,chan[i].std.vol.val))>>6;
} else {
chan[i].outVol=((chan[i].vol&127)*MIN(127,chan[i].std.vol.val))>>7;
WRITE_VOLUME(i,(isMuted[i]?0:(chan[i].outVol&127)));
}
}
if (chan[i].std.arp.had) {
if (!chan[i].inPorta) {
if (chan[i].std.arp.mode) {
@ -236,7 +240,7 @@ void DivPlatformLynx::tick(bool sysTick) {
off=(double)s->centerRate/8363.0;
}
}
chan[i].sampleFreq=off*parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,2,chan[i].pitch2,1,1);
chan[i].sampleFreq=off*parent->calcFreq(chan[i].sampleBaseFreq,chan[i].pitch,false,2,chan[i].pitch2,1,1);
WRITE_FEEDBACK(i,0);
WRITE_LFSR(i,0);
WRITE_OTHER(i,0);
@ -317,7 +321,7 @@ int DivPlatformLynx::dispatch(DivCommand c) {
if (!chan[c.chan].std.vol.has) {
chan[c.chan].outVol=c.value;
}
if (chan[c.chan].active) WRITE_VOLUME(c.chan,(isMuted[c.chan]?0:(chan[c.chan].vol&127)));
if (chan[c.chan].active && !chan[c.chan].pcm) WRITE_VOLUME(c.chan,(isMuted[c.chan]?0:(chan[c.chan].vol&127)));
}
break;
case DIV_CMD_PANNING:
@ -351,6 +355,9 @@ int DivPlatformLynx::dispatch(DivCommand c) {
}
}
chan[c.chan].freqChanged=true;
if (chan[c.chan].pcm && parent->song.linearPitch==2) {
chan[c.chan].sampleBaseFreq=chan[c.chan].baseFreq;
}
if (return2) {
chan[c.chan].inPorta=false;
return 2;