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POKEY: VGM export

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tildearrow 2022-12-20 14:54:55 -05:00
parent 15afb1da84
commit b7302e0d98
3 changed files with 25 additions and 3 deletions
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3
TODO.md
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@ -1,9 +1,8 @@
# to-do for 0.6pre2
- POKEY
- Pokémon Mini
- register layout
- confirm emulation
- (maybe) YM2612 CSM (no DualPCM)
- port op macro code to all other OPN chips
- bug fixes
- bug fixes

2
src/engine/sysDef.cpp
View file

@ -1119,7 +1119,7 @@ void DivEngine::registerSystems() {
);
sysDefs[DIV_SYSTEM_POKEY]=new DivSysDef(
"POKEY", NULL, 0x94, 0, 4, false, true, 0, false, 0,
"POKEY", NULL, 0x94, 0, 4, false, true, 0x161, false, 0,
"TIA, but better and more flexible.\nused in the Atari 8-bit family of computers (400/800/XL/XE).",
{"Channel 1", "Channel 2", "Channel 3", "Channel 4"},
{"CH1", "CH2", "CH3", "CH4"},

23
src/engine/vgmOps.cpp
View file

@ -333,6 +333,13 @@ void DivEngine::performVGMWrite(SafeWriter* w, DivSystem sys, DivRegWrite& write
w->writeC(0);
}
break;
case DIV_SYSTEM_POKEY:
for (int i=0; i<9; i++) {
w->writeC(0xbb);
w->writeC(i|baseAddr2);
w->writeC(0);
}
break;
case DIV_SYSTEM_LYNX:
w->writeC(0x4e);
w->writeC(0x44);
@ -698,6 +705,11 @@ void DivEngine::performVGMWrite(SafeWriter* w, DivSystem sys, DivRegWrite& write
w->writeC(baseAddr2|(write.addr&0xff));
w->writeC(write.val);
break;
case DIV_SYSTEM_POKEY:
w->writeC(0xbb);
w->writeC(baseAddr2|(write.addr&0x0f));
w->writeC(write.val&0xff);
break;
case DIV_SYSTEM_LYNX:
w->writeC(0x4e);
w->writeC(write.addr&0xff);
@ -1246,6 +1258,17 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop, int version, bool p
howManyChips++;
}
break;
case DIV_SYSTEM_POKEY:
if (!hasPOKEY) {
hasPOKEY=disCont[i].dispatch->chipClock;
willExport[i]=true;
} else if (!(hasPOKEY&0x40000000)) {
isSecond[i]=true;
willExport[i]=true;
hasPOKEY|=0x40000000;
howManyChips++;
}
break;
case DIV_SYSTEM_LYNX:
if (!hasLynx) {
hasLynx=disCont[i].dispatch->chipClock;