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VGM export: prepare for NES DPCM

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This commit is contained in:
tildearrow 2023-06-22 04:55:12 -05:00
parent ef57ad531d
commit 0bcd1b74ac
2 changed files with 24 additions and 7 deletions
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13
src/engine/platform/nes.cpp
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@ -346,7 +346,11 @@ void DivPlatformNES::tick(bool sysTick) {
rWrite(0x4012,(dpcmAddr>>6)&0xff);
rWrite(0x4013,dpcmLen&0xff);
rWrite(0x4015,31);
dpcmBank=dpcmAddr>>14;
if (dpcmBank!=(dpcmAddr>>14)) {
dpcmBank=dpcmAddr>>14;
logV("switching bank to %d",dpcmBank);
if (dumpWrites) addWrite(0xffff0004,dpcmBank);
}
}
} else {
if (nextDPCMFreq>=0) {
@ -425,7 +429,11 @@ int DivPlatformNES::dispatch(DivCommand c) {
rWrite(0x4012,(dpcmAddr>>6)&0xff);
rWrite(0x4013,dpcmLen&0xff);
rWrite(0x4015,31);
dpcmBank=dpcmAddr>>14;
if (dpcmBank!=(dpcmAddr>>14)) {
dpcmBank=dpcmAddr>>14;
logV("switching bank to %d",dpcmBank);
if (dumpWrites) addWrite(0xffff0004,dpcmBank);
}
}
}
break;
@ -854,6 +862,7 @@ int DivPlatformNES::init(DivEngine* p, int channels, int sugRate, const DivConfi
dpcmMem=new unsigned char[262144];
dpcmMemLen=0;
dpcmBank=0;
if (dumpWrites) addWrite(0xffff0004,dpcmBank);
init_nla_table(500,500);
reset();