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MSM6295: VGM export!

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This commit is contained in:
tildearrow 2022-05-28 18:15:26 -05:00
parent b8671afa39
commit f8796f8ec9
4 changed files with 59 additions and 9 deletions
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36
src/engine/vgmOps.cpp
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@ -488,6 +488,14 @@ void DivEngine::performVGMWrite(SafeWriter* w, DivSystem sys, DivRegWrite& write
w->writeC(rf5c68Addr);
w->writeC(8);
w->writeC(0xff);
case DIV_SYSTEM_MSM6295:
w->writeC(0xb8); // disable all channels
w->writeC(baseAddr2|0);
w->writeC(0x78);
w->writeC(0xb8); // select rate
w->writeC(baseAddr2|12);
w->writeC(1);
break;
default:
break;
}
@ -782,6 +790,11 @@ void DivEngine::performVGMWrite(SafeWriter* w, DivSystem sys, DivRegWrite& write
w->writeC(write.addr&0xff);
w->writeC(write.val);
break;
case DIV_SYSTEM_MSM6295:
w->writeC(0xb8);
w->writeC(baseAddr2|(write.addr&0x7f));
w->writeC(write.val);
break;
default:
logW("write not handled!");
break;
@ -907,6 +920,7 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop, int version) {
DivDispatch* writeQSound[2]={NULL,NULL};
DivDispatch* writeZ280[2]={NULL,NULL};
DivDispatch* writeRF5C68[2]={NULL,NULL};
DivDispatch* writeMSM6295[2]={NULL,NULL};
for (int i=0; i<song.systemLen; i++) {
willExport[i]=false;
@ -1299,6 +1313,19 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop, int version) {
writeRF5C68[0]=disCont[i].dispatch;
}
break;
case DIV_SYSTEM_MSM6295:
if (!hasOKIM6295) {
hasOKIM6295=disCont[i].dispatch->chipClock;
willExport[i]=true;
writeMSM6295[0]=disCont[i].dispatch;
} else if (!(hasOKIM6295&0x40000000)) {
isSecond[i]=true;
willExport[i]=true;
writeMSM6295[1]=disCont[i].dispatch;
hasOKIM6295|=0x40000000;
howManyChips++;
}
break;
default:
break;
}
@ -1645,6 +1672,15 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop, int version) {
w->writeI(0);
w->write(writeRF5C68[i]->getSampleMem(),writeRF5C68[i]->getSampleMemUsage());
}
if (writeMSM6295[i]!=NULL && writeMSM6295[i]->getSampleMemUsage()>0) {
w->writeC(0x67);
w->writeC(0x66);
w->writeC(0x8b);
w->writeI((writeMSM6295[i]->getSampleMemUsage()+8)|(i*0x80000000));
w->writeI(writeMSM6295[i]->getSampleMemCapacity());
w->writeI(0);
w->write(writeMSM6295[i]->getSampleMem(),writeMSM6295[i]->getSampleMemUsage());
}
}
// initialize streams