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Prepare to (very) partially OPL4 support

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This commit is contained in:
cam900 2024-07-11 15:13:02 +09:00
parent 73c301dd0e
commit c08edb1254
14 changed files with 691 additions and 233 deletions
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32
src/engine/vgmOps.cpp
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@ -987,6 +987,13 @@ void DivEngine::performVGMWrite(SafeWriter* w, DivSystem sys, DivRegWrite& write
break;
}
break;
case DIV_SYSTEM_OPL4:
case DIV_SYSTEM_OPL4_DRUMS:
w->writeC(0xd0|baseAddr2);
w->writeC(write.addr>>8);
w->writeC(write.addr&0xff);
w->writeC(write.val);
break;
case DIV_SYSTEM_SCC:
if (write.addr<0x80) {
w->writeC(0xd2);
@ -1254,6 +1261,7 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop, int version, bool p
bool writeVOXSamples=false;
DivDispatch* writeADPCM_OPNA[2]={NULL,NULL};
DivDispatch* writeADPCM_OPNB[2]={NULL,NULL};
DivDispatch* writePCM_OPL4[2]={NULL,NULL};
DivDispatch* writeADPCM_Y8950[2]={NULL,NULL};
DivDispatch* writeSegaPCM[2]={NULL,NULL};
DivDispatch* writeX1010[2]={NULL,NULL};
@ -1706,6 +1714,20 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop, int version, bool p
howManyChips++;
}
break;
case DIV_SYSTEM_OPL4:
case DIV_SYSTEM_OPL4_DRUMS:
if (!hasOPL4) {
hasOPL4=disCont[i].dispatch->chipClock;
CHIP_VOL(12,1.0);
willExport[i]=true;
} else if (!(hasOPL4&0x40000000)) {
isSecond[i]=true;
CHIP_VOL_SECOND(12,1.0);
willExport[i]=true;
hasOPL4|=0x40000000;
howManyChips++;
}
break;
case DIV_SYSTEM_SCC:
case DIV_SYSTEM_SCC_PLUS:
if (!hasK051649) {
@ -2150,6 +2172,16 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop, int version, bool p
w->writeI(0);
w->write(writeADPCM_OPNB[i]->getSampleMem(1),writeADPCM_OPNB[i]->getSampleMemUsage(1));
}
// PCM (OPL4)
if (writePCM_OPL4[i]!=NULL && writePCM_OPL4[i]->getSampleMemUsage(0)>0) {
w->writeC(0x67);
w->writeC(0x66);
w->writeC(0x84);
w->writeI((writePCM_OPL4[i]->getSampleMemUsage(0)+8)|(i*0x80000000));
w->writeI(writePCM_OPL4[i]->getSampleMemCapacity(0));
w->writeI(0);
w->write(writePCM_OPL4[i]->getSampleMem(0),writePCM_OPL4[i]->getSampleMemUsage(0));
}
// ADPCM (Y8950)
if (writeADPCM_Y8950[i]!=NULL && writeADPCM_Y8950[i]->getSampleMemUsage(0)>0) {
w->writeC(0x67);