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C140: help µ-law ISN'T WORKING

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This commit is contained in:
tildearrow 2023-08-12 01:54:12 -05:00
parent 0311d712b1
commit 27e454e7aa
7 changed files with 66 additions and 11 deletions
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22
src/engine/platform/c140.cpp
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@ -143,7 +143,7 @@ void DivPlatformC140::tick(bool sysTick) {
chan[i].freq=(int)(off*parent->calcFreq(chan[i].baseFreq,chan[i].pitch,chan[i].fixedArp?chan[i].baseNoteOverride:chan[i].arpOff,chan[i].fixedArp,false,2,chan[i].pitch2,chipClock,CHIP_FREQBASE));
if (chan[i].freq<0) chan[i].freq=0;
if (chan[i].freq>65535) chan[i].freq=65535;
ctrl|=(chan[i].active?0x80:0)|((s->isLoopable())?0x10:0);
ctrl|=(chan[i].active?0x80:0)|((s->isLoopable())?0x10:0)|((s->depth==DIV_SAMPLE_DEPTH_MULAW)?0x08:0);
if (chan[i].keyOn) {
unsigned int bank=0;
unsigned int start=0;
@ -174,7 +174,6 @@ void DivPlatformC140::tick(bool sysTick) {
chan[i].volChangedL=true;
chan[i].volChangedR=true;
}
chan[i].keyOn=false;
}
if (chan[i].keyOff) {
chan[i].keyOff=false;
@ -184,7 +183,10 @@ void DivPlatformC140::tick(bool sysTick) {
rWrite(0x03+(i<<4),chan[i].freq&0xff);
chan[i].freqChanged=false;
}
rWrite(0x05+(i<<4),ctrl);
if (chan[i].keyOn) {
rWrite(0x05+(i<<4),ctrl);
chan[i].keyOn=false;
}
}
}
}
@ -437,10 +439,20 @@ void DivPlatformC140::renderSamples(int sysID) {
break;
}
if (memPos+length>=(getSampleMemCapacity())) {
memcpy(sampleMem+(memPos/sizeof(short)),s->data16,(getSampleMemCapacity())-memPos);
if (s->depth==DIV_SAMPLE_DEPTH_MULAW) {
} else {
memcpy(sampleMem+(memPos/sizeof(short)),s->data16,(getSampleMemCapacity())-memPos);
}
logW("out of C140 memory for sample %d!",i);
} else {
memcpy(sampleMem+(memPos/sizeof(short)),s->data16,length);
if (s->depth==DIV_SAMPLE_DEPTH_MULAW) {
for (unsigned int i=0; i<length; i++) {
sampleMem[i+(memPos/sizeof(short))]=(s->dataMuLaw[i]<<8)^0xff00;
}
} else {
memcpy(sampleMem+(memPos/sizeof(short)),s->data16,length);
}
}
sampleOff[i]=memPos>>1;
sampleLoaded[i]=true;