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initial FDS bring-up

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This commit is contained in:
tildearrow 2022-04-03 22:37:16 -05:00
parent 9ef50bbda7
commit ac3772c024
14 changed files with 870 additions and 1 deletions
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26
src/engine/vgmOps.cpp
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@ -481,6 +481,18 @@ void DivEngine::performVGMWrite(SafeWriter* w, DivSystem sys, DivRegWrite& write
case DIV_SYSTEM_NES:
w->writeC(0xb4);
w->writeC(baseAddr2|(write.addr&0xff));
w->writeC(write.val);
break;
case DIV_SYSTEM_FDS: // yeah
w->writeC(0xb4);
if ((write.addr&0xff)==0x23) {
w->writeC(baseAddr2|0x3f);
} else if ((write.addr&0xff)>=0x80) {
w->writeC(baseAddr2|(0x20+(write.addr&0x7f)));
} else {
w->writeC(baseAddr2|(write.addr&0xff));
}
w->writeC(write.val);
break;
case DIV_SYSTEM_YM2151:
@ -882,6 +894,20 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop, int version) {
howManyChips++;
}
break;
case DIV_SYSTEM_FDS:
if (!hasNES) {
hasNES=0x80000000|disCont[i].dispatch->chipClock;
willExport[i]=true;
} else if (!(hasNES&0x80000000)) {
hasNES|=0x80000000;
willExport[i]=true;
} else if (!(hasNES&0x40000000)) {
isSecond[i]=true;
willExport[i]=true;
hasNES|=0xc0000000;
howManyChips++;
}
break;
case DIV_SYSTEM_LYNX:
if (!hasLynx) {
hasLynx=disCont[i].dispatch->chipClock;