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SegaPCM: fix samples bigger than 64KB

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This commit is contained in:
tildearrow 2022-05-17 02:38:13 -05:00
parent 6438b28c11
commit d961f6f498
2 changed files with 12 additions and 7 deletions
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12
src/engine/platform/segapcm.cpp
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@ -181,11 +181,13 @@ int DivPlatformSegaPCM::dispatch(DivCommand c) {
chan[c.chan].macroInit(ins);
if (dumpWrites) { // Sega PCM writes
DivSample* s=parent->getSample(chan[c.chan].pcm.sample);
int actualLength=(int)s->length8;
if (actualLength>0xfeff) actualLength=0xfeff;
addWrite(0x10086+(c.chan<<3),3+((s->offSegaPCM>>16)<<3));
addWrite(0x10084+(c.chan<<3),(s->offSegaPCM)&0xff);
addWrite(0x10085+(c.chan<<3),(s->offSegaPCM>>8)&0xff);
addWrite(0x10006+(c.chan<<3),MIN(255,((s->offSegaPCM&0xffff)+s->length8-1)>>8));
if (s->loopStart<0 || s->loopStart>=(int)s->length8) {
addWrite(0x10006+(c.chan<<3),MIN(255,((s->offSegaPCM&0xffff)+actualLength-1)>>8));
if (s->loopStart<0 || s->loopStart>=actualLength) {
addWrite(0x10086+(c.chan<<3),2+((s->offSegaPCM>>16)<<3));
} else {
int loopPos=(s->offSegaPCM&0xffff)+s->loopStart+s->loopOffP;
@ -212,11 +214,13 @@ int DivPlatformSegaPCM::dispatch(DivCommand c) {
chan[c.chan].furnacePCM=false;
if (dumpWrites) { // Sega PCM writes
DivSample* s=parent->getSample(chan[c.chan].pcm.sample);
int actualLength=(int)s->length8;
if (actualLength>65536) actualLength=65536;
addWrite(0x10086+(c.chan<<3),3+((s->offSegaPCM>>16)<<3));
addWrite(0x10084+(c.chan<<3),(s->offSegaPCM)&0xff);
addWrite(0x10085+(c.chan<<3),(s->offSegaPCM>>8)&0xff);
addWrite(0x10006+(c.chan<<3),MIN(255,((s->offSegaPCM&0xffff)+s->length8-1)>>8));
if (s->loopStart<0 || s->loopStart>=(int)s->length8) {
addWrite(0x10006+(c.chan<<3),MIN(255,((s->offSegaPCM&0xffff)+actualLength-1)>>8));
if (s->loopStart<0 || s->loopStart>=actualLength) {
addWrite(0x10086+(c.chan<<3),2+((s->offSegaPCM>>16)<<3));
} else {
int loopPos=(s->offSegaPCM&0xffff)+s->loopStart+s->loopOffP;