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fixed more bugs related to the sample channel

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This commit is contained in:
AArt1256 2024-08-09 11:52:28 +03:00
parent fc6e22cb83
commit 6998bfe5cc
1 changed files with 33 additions and 8 deletions
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41
src/engine/platform/supervision.cpp
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@ -65,6 +65,7 @@ unsigned char* sampleMem=supervision_dma_mem;
unsigned char duty_swap=0;
unsigned char otherFlags=0;
unsigned int sampleOffset=0;
void DivPlatformSupervision::acquire(short** buf, size_t len) {
for (size_t h=0; h<len; h++) {
@ -175,13 +176,16 @@ void DivPlatformSupervision::tick(bool sysTick) {
DivSample* sample=parent->getSample(sNum);
if (sample!=NULL && sNum>=0 && sNum<parent->song.sampleLen) {
unsigned int off=MIN(sampleOff[sNum]+chan[i].hasOffset,sampleOff[sNum]+sampleLen[sNum]);
unsigned int len=MAX(sampleLen[sNum]-chan[i].hasOffset,0);
unsigned int len=MAX((((int)sampleLen[sNum])-((int)chan[i].hasOffset)),0);
if (len) {
rWrite(0x18,off&0xff);
rWrite(0x19,(off>>8&0x3f)|0x80);
rWrite(0x1A,MIN(MAX(len>>4,0),255));
rWrite(0x1B,chan[i].freq|((chan[i].pan&3)<<2)|((off>>14&7)<<4));
rWrite(0x1C,0x80);
}
sampleOffset=chan[i].hasOffset;
chan[i].hasOffset=0;
rWrite(0x18,off&0xff);
rWrite(0x19,(off>>8&0x3f)|0x80);
rWrite(0x1A,MIN(MAX(len>>4,0),255));
rWrite(0x1B,chan[i].freq|((chan[i].pan&3)<<2)|((off>>14&7)<<4));
rWrite(0x1C,0x80);
}
}
}
@ -213,6 +217,26 @@ void DivPlatformSupervision::tick(bool sysTick) {
unsigned char r=((chan[i].duty&1)^duty_swap)|(0x02|0x10)|(chan[i].pan<<2);
if (noiseReg[2] != r) rWrite(0x2A,r);
noiseReg[2]=r;
} else if (i==2) {
if (chan[i].pcm) {
int ntPos=chan[i].sampleNote;
ntPos+=chan[i].pitch2;
chan[i].freq=3-(ntPos&3);
int sNum=chan[i].sample;
DivSample* sample=parent->getSample(sNum);
if (sample!=NULL && sNum>=0 && sNum<parent->song.sampleLen) {
unsigned int off=MIN(sampleOff[sNum]+sampleOffset,sampleOff[sNum]+sampleLen[sNum]);
unsigned int len=MAX((((int)sampleLen[sNum])-((int)sampleOffset)),0);
if (len) {
rWrite(0x1A,MIN(MAX(len>>4,0),255));
if (chan[i].outVol==0) {
rWrite(0x1B,chan[i].freq|((off>>14&7)<<4));
} else {
rWrite(0x1B,chan[i].freq|((chan[i].pan&3)<<2)|((off>>14&7)<<4));
}
}
}
}
}
} else {
if (i < 2) {
@ -407,6 +431,7 @@ void DivPlatformSupervision::reset() {
memset(noiseReg,0,3*sizeof(unsigned char));
memset(kon,0,3*sizeof(unsigned char));
memset(initWrite,1,sizeof(unsigned char));
sampleOffset=0;
}
int DivPlatformSupervision::getOutputCount() {
@ -508,8 +533,8 @@ void DivPlatformSupervision::renderSamples(int sysID) {
logW("out of memory for sample %d!",i);
} else {
size_t len=MIN((s->length8>>1),paddedLen);
sampleLen[i]=(unsigned int)len;
for (size_t i=0; i<len>>1; i++) {
sampleLen[i]=(unsigned int)(len);
for (size_t i=0; i<len; i++) {
sampleMem[memPos+i]=(((s->data8[i*2+0]+128)>>4)<<4&0xf0)|(((s->data8[i*2+1]+128)>>4)&0xf);
}
sampleLoaded[i]=true;