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Fix K053260 sample offset

This commit is contained in:
cam900 2023-07-31 20:06:07 +09:00
parent 20ea5827cf
commit 71b76e3e88
2 changed files with 5 additions and 6 deletions
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2
extern/vgsound_emu-modified/vgsound_emu/src/k053260/k053260.cpp vendored
View File

@ -226,7 +226,7 @@ void k053260_core::voice_t::write(u8 address, u8 data)
m_start = (m_start & ~0x00ff00) | (u32(data) << 8);
break;
case 6: // start address bit 16-20
m_start = (m_start & ~0x1f0000) | (u32(bitfield(data, 16, 5)) << 16);
m_start = (m_start & ~0x1f0000) | (u32(bitfield(data, 0, 5)) << 16);
break;
case 7: // volume
m_volume = bitfield(data, 0, 7);

9
src/engine/platform/k053260.cpp
View File

@ -145,15 +145,15 @@ void DivPlatformK053260::tick(bool sysTick) {
off=8363.0/s->centerRate;
}
}
DivSample* s=parent->getSample(chan[i].sample);
DivSample* s=parent->getSample(sample);
chan[i].freq=0x1000-(int)(off*parent->calcFreq(chan[i].baseFreq,chan[i].pitch,chan[i].fixedArp?chan[i].baseNoteOverride:chan[i].arpOff,chan[i].fixedArp,true,0,chan[i].pitch2,chipClock,CHIP_DIVIDER));
if (chan[i].freq>4095) chan[i].freq=4095;
if (chan[i].freq<0) chan[i].freq=0;
if (chan[i].keyOn) {
unsigned int start=0;
unsigned int length=0;
if (chan[i].sample>=0 && chan[i].sample<parent->song.sampleLen) {
start=sampleOffK053260[chan[i].sample];
if (sample>=0 && sample<parent->song.sampleLen) {
start=sampleOffK053260[sample];
length=s->length8;
if (chan[i].reverse) {
start+=length;
@ -163,8 +163,7 @@ void DivPlatformK053260::tick(bool sysTick) {
if (chan[i].audPos>0) {
if (chan[i].reverse) {
start=start-MIN(chan[i].audPos,s->length8);
}
else {
} else {
start=start+MIN(chan[i].audPos,s->length8);
}
length=MAX(1,length-chan[i].audPos);