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Mapper 52: Add submapper 13 support (CHR ROM+RAM)

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This commit is contained in:
negativeExponent 2023-01-22 22:20:52 +08:00
parent 2a75312346
commit eb00784e9f
1 changed files with 4 additions and 1 deletions
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5
Core/MMC3_52.h
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@ -10,6 +10,7 @@ private:
protected:
virtual uint16_t RegisterStartAddress() override { return 0x6000; }
virtual uint16_t RegisterEndAddress() override { return 0xFFFF; }
virtual uint16_t GetChrRamPageSize() override { return (_romInfo.SubMapperID == 13) ? 0x400 : 0; }
virtual void StreamState(bool saving) override
{
@ -32,7 +33,9 @@ protected:
page &= 0xFF;
page |= (((_extraReg & 0x20) >> 3) | ((_extraReg & 0x10) >> 4)) << 7;
}
if((_romInfo.SubMapperID == 13) && ((_extraReg & 3) == 3)) {
memoryType = ChrMemoryType::ChrRam;
}
MMC3::SelectCHRPage(slot, page, memoryType);
}