otomatalabs/furnace
8
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Add primary MultiPCM support

Browse source 
Partially revert previous commit
Add notifyInsAddition in dispatch for instrument addition
Refresh sample memory when instrument type changed
Fix naming for consistency
Also, this commit fixes a some possible issue in MultiPCM on openMSX core.
Chip ID: Already determined
This commit is contained in:
cam900 2025-08-29 16:24:32 +09:00
parent bd8d9a56a0
commit 957b57f3d9
19 changed files with 1085 additions and 55 deletions
Download patch file Download diff file Expand all files Collapse all files

45
src/engine/vgmOps.cpp
View file

@ -708,6 +708,21 @@ void DivEngine::performVGMWrite(SafeWriter* w, DivSystem sys, DivRegWrite& write
w->writeC(0x04);
w->writeC(0x00);
break;
case DIV_SYSTEM_MULTIPCM:
for (int i=0; i<28; i++) {
w->writeC(0xb5); // set channel
w->writeC(baseAddr2|1);
w->writeC(i);
for (int j=0; j<8; j++) {
w->writeC(0xb5);
w->writeC(baseAddr2|2);
w->writeC(j);
w->writeC(0xb5); // keyoff
w->writeC(baseAddr2|0);
w->writeC(0);
}
}
break;
default:
break;
}
@ -1216,6 +1231,11 @@ void DivEngine::performVGMWrite(SafeWriter* w, DivSystem sys, DivRegWrite& write
w->writeC(write.addr&0xff);
w->writeC(write.val);
break;
case DIV_SYSTEM_MULTIPCM:
w->writeC(0xb5);
w->writeC(baseAddr2|(write.addr&0x7f));
w->writeC(write.val);
break;
default:
logW("write not handled!");
break;
@ -1398,6 +1418,7 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop, int version, bool p
DivDispatch* writeC219[2]={NULL,NULL};
DivDispatch* writeNES[2]={NULL,NULL};
DivDispatch* writePCM_OPL4[2]={NULL,NULL};
DivDispatch* writeMultiPCM[2]={NULL,NULL};
int writeNESIndex[2]={0,0};
@ -2018,6 +2039,21 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop, int version, bool p
howManyChips++;
}
break;
case DIV_SYSTEM_MULTIPCM:
if (!hasMultiPCM) {
hasMultiPCM=disCont[i].dispatch->rate*180; // for fix pitch in VGM players
CHIP_VOL(13,1.0);
willExport[i]=true;
writeMultiPCM[0]=disCont[i].dispatch;
} else if (!(hasMultiPCM&0x40000000)) {
isSecond[i]=true;
CHIP_VOL_SECOND(13,1.0);
willExport[i]=true;
writeMultiPCM[1]=disCont[i].dispatch;
hasMultiPCM|=0x40000000;
howManyChips++;
}
break;
default:
break;
}
@ -2377,6 +2413,15 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop, int version, bool p
w->writeI(0);
w->write(writePCM_OPL4[i]->getSampleMem(0),writePCM_OPL4[i]->getSampleMemUsage(0));
}
if (writeMultiPCM[i]!=NULL && writeMultiPCM[i]->getSampleMemUsage()>0) {
w->writeC(0x67);
w->writeC(0x66);
w->writeC(0x89);
w->writeI((writeMultiPCM[i]->getSampleMemUsage()+8)|(i*0x80000000));
w->writeI(writeMultiPCM[i]->getSampleMemCapacity());
w->writeI(0);
w->write(writeMultiPCM[i]->getSampleMem(),writeMultiPCM[i]->getSampleMemUsage());
}
}
for (int i=0; i<2; i++) {