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VRC2/4: Fixed $900x register numbering - fixes TMNT 2 (J)

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This commit is contained in:
Souryo 2016-07-17 17:18:47 -04:00
parent 97eb46a2db
commit cf2e33020e
1 changed files with 3 additions and 5 deletions
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8
Core/VRC2_4.h
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@ -130,7 +130,7 @@ class VRC2_4 : public BaseMapper
if(addr >= 0x8000 && addr <= 0x8006) {
_prgReg0 = value & 0x1F;
} else if(addr == 0x9000 || addr == 0x9002) {
} else if((_variant <= VRCVariant::VRC2c && addr >= 0x9000 && addr <= 0x9003) || (_variant >= VRCVariant::VRC4a && addr >= 0x9000 && addr <= 0x9001)) {
uint8_t mask = 0x03;
if(_variant == VRCVariant::VRC2a || _variant == VRCVariant::VRC2b) {
mask = 0x01;
@ -142,10 +142,8 @@ class VRC2_4 : public BaseMapper
case 2: SetMirroringType(MirroringType::ScreenAOnly); break;
case 3: SetMirroringType(MirroringType::ScreenBOnly); break;
}
} else if(addr == 0x9004 || addr == 0x9006) {
if(_variant >= VRCVariant::VRC4a) {
_prgMode = (value >> 1) & 0x01;
}
} else if(_variant >= VRCVariant::VRC4a && addr >= 0x9002 && addr <= 0x9003) {
_prgMode = (value >> 1) & 0x01;
} else if(addr >= 0xA000 && addr <= 0xA006) {
_prgReg1 = value & 0x1F;
} else if(addr >= 0xB000 && addr <= 0xE006) {