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NES: Fixed CHR RAM behavior

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Sour 2022-03-12 19:51:31 -05:00
parent ff331362be
commit e74a132ac9
2 changed files with 4 additions and 1 deletions
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3
Core/NES/BaseMapper.cpp
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@ -373,6 +373,9 @@ void BaseMapper::SelectCHRPage(uint16_t slot, uint16_t page, ChrMemoryType memor
if(memoryType == ChrMemoryType::NametableRam) {
pageSize = BaseMapper::NametableSize;
} else {
if(memoryType == ChrMemoryType::Default) {
memoryType = _chrRomSize > 0 ? ChrMemoryType::ChrRom : ChrMemoryType::ChrRam;
}
pageSize = memoryType == ChrMemoryType::ChrRam ? InternalGetChrRamPageSize() : InternalGetChrPageSize();
}

2
Core/NES/BaseMapper.h
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@ -78,7 +78,7 @@ protected:
bool IsNes20();
virtual uint16_t GetChrRamPageSize() { return 0x2000; }
virtual uint16_t GetChrRamPageSize() { return GetCHRPageSize(); }
//Save ram is battery backed and saved to disk
virtual uint32_t GetSaveRamSize() { return 0x2000; }