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finish this later

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This commit is contained in:
tildearrow 2023-03-09 20:00:15 -05:00
parent c0b4cc0d63
commit 6d33fadbc5
2 changed files with 78 additions and 2 deletions
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49
src/engine/platform/amiga.cpp
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@ -84,6 +84,52 @@ void DivPlatformAmiga::acquire(short** buf, size_t len) {
outR=0;
// NEW CODE
for (int i=0; i<4; i++) {
amiga.volPos=(amiga.volPos+1)&AMIGA_VPMASK;
// run DMA
if (amiga.audEn[i]) {
amiga.audTick[i]-=AMIGA_DIVIDER;
if (amiga.audTick[i]<0) {
if (amiga.audByte[i]) {
// read next samples
amiga.audDat[0][i]=sampleMem[((amiga.dmaLoc[i]+amiga.dmaPos[i])<<1)&chipMask];
amiga.audDat[1][i]=sampleMem[(1+((amiga.dmaLoc[i]+amiga.dmaPos[i])<<1))&chipMask];
// check for length
if (amiga.dmaPos[i]>amiga.dmaLen[i]) {
if (amiga.audInt[i]) irq(i);
amiga.dmaLoc[i]=amiga.audLoc[i];
amiga.dmaPos[i]=0;
amiga.dmaLen[i]=amiga.audLen[i];
}
}
amiga.audByte[i]=!amiga.audByte[i];
}
}
// output
if (!isMuted[i]) {
if (amiga.audVol[i]>=64) {
output=amiga.audDat[amiga.audByte[i]][i]<<6;
} else if (amiga.audVol[i]<=0) {
output=0;
} else {
output=amiga.audDat[amiga.audByte[i]][i]*volTable[amiga.audVol[i]][amiga.volPos];
}
if (i==0 || i==3) {
outL+=(output*sep1)>>7;
outR+=(output*sep2)>>7;
} else {
outL+=(output*sep2)>>7;
outR+=(output*sep1)>>7;
}
oscBuf[i]->data[oscBuf[i]->needle++]=output<<2;
} else {
oscBuf[i]->data[oscBuf[i]->needle++]=0;
}
}
// OLD CODE
for (int i=0; i<4; i++) {
@ -498,7 +544,8 @@ void DivPlatformAmiga::renderSamples(int sysID) {
memset(sampleOff,0,256*sizeof(unsigned int));
memset(sampleLoaded,0,256*sizeof(bool));
size_t memPos=0;
// first 1024 bytes reserved for wavetable
size_t memPos=1024;
for (int i=0; i<parent->song.sampleLen; i++) {
DivSample* s=parent->song.sample[i];
if (!s->renderOn[0][sysID]) {