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Update JyCompany.h

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Added outer PRG bank select for 8k mode.
This commit is contained in:
mkwong98 2021-02-20 12:30:08 +08:00
parent eaf6656b56
commit cd99aedb1e
1 changed files with 14 additions and 7 deletions
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21
Core/JyCompany.h
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@ -22,7 +22,8 @@ private:
uint8_t _prgMode;
bool _enablePrgAt6000;
uint8_t _prgBlock;
uint8_t _chrMode;
bool _chrBlockMode;
uint8_t _chrBlock;
@ -71,6 +72,7 @@ protected:
_prgMode = 0;
_enablePrgAt6000 = false;
_prgBlock = 0;
_chrMode = 0;
_chrBlockMode = false;
@ -113,7 +115,7 @@ protected:
ArrayInfo<uint8_t> ntLowRegs{ _ntLowRegs, 4 };
ArrayInfo<uint8_t> ntHighRegs{ _ntHighRegs, 4 };
Stream(_chrLatch[0], _chrLatch[1], _prgMode, _enablePrgAt6000, _chrMode, _chrBlockMode, _chrBlock, _mirrorChr, _mirroringReg, _advancedNtControl,
Stream(_chrLatch[0], _chrLatch[1], _prgMode, _enablePrgAt6000, _prgBlock, _chrMode, _chrBlockMode, _chrBlock, _mirrorChr, _mirroringReg, _advancedNtControl,
_disableNtRam, _ntRamSelectBit, _irqEnabled, _irqSource, _lastPpuAddr, _irqCountDirection, _irqFunkyMode, _irqFunkyModeReg, _irqSmallPrescaler,
_irqPrescaler, _irqCounter, _irqXorReg, _multiplyValue1, _multiplyValue2, _regRamValue, prgRegs, chrLowRegs, chrHighRegs, ntLowRegs, ntHighRegs);
@ -132,7 +134,7 @@ protected:
uint8_t InvertPrgBits(uint8_t prgReg, bool needInvert)
{
if(needInvert) {
return (prgReg & 0x01) << 6 | (prgReg & 0x02) << 4 | (prgReg & 0x04) << 2 | (prgReg & 0x10) >> 2 | (prgReg & 0x20) >> 4 | (prgReg & 0x40) >> 6;
return (prgReg & 0x01) << 6 | (prgReg & 0x02) << 4 | (prgReg & 0x04) << 2 | (prgReg & 0x08) | (prgReg & 0x10) >> 2 | (prgReg & 0x20) >> 4 | (prgReg & 0x40) >> 6;
} else {
return prgReg;
}
@ -162,10 +164,10 @@ protected:
case 2:
case 3:
SelectPRGPage(0, prgRegs[0]);
SelectPRGPage(1, prgRegs[1]);
SelectPRGPage(2, prgRegs[2]);
SelectPRGPage(3, (_prgMode & 0x04) ? prgRegs[3] : 0x3F);
SelectPRGPage(0, prgRegs[0] | (_prgBlock << 5));
SelectPRGPage(1, prgRegs[1] | (_prgBlock << 5));
SelectPRGPage(2, prgRegs[2] | (_prgBlock << 5));
SelectPRGPage(3, (_prgMode & 0x04) ? prgRegs[3] | (_prgBlock << 5) : 0x3F);
if(_enablePrgAt6000) {
SetCpuMemoryMapping(0x6000, 0x7FFF, prgRegs[3], PrgMemoryType::PrgRom);
}
@ -332,6 +334,11 @@ protected:
_mirrorChr = (value & 0x80) == 0x80;
_chrBlockMode = (value & 0x20) == 0x00;
_chrBlock = ((value & 0x18) >> 2) | (value & 0x01);
if (_romInfo.MapperID == 35 || _romInfo.MapperID == 90 || _romInfo.MapperID == 209 || _romInfo.MapperID == 211) {
_prgBlock = value & 0x06;
}
break;
}