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37 lines
930 B
C++
37 lines
930 B
C++
#pragma once
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#include "stdafx.h"
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#include "MMC3.h"
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class MMC3_ChrRam : public MMC3
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{
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private:
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uint16_t _firstRamBank;
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uint16_t _lastRamBank;
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uint16_t _chrRamSize;
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protected:
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virtual uint16_t GetChrRamPageSize() override { return 0x400; }
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virtual uint32_t GetChrRamSize() override { return _chrRamSize * 0x400; }
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virtual void SelectCHRPage(uint16_t slot, uint16_t page, ChrMemoryType memoryType = ChrMemoryType::Default) override
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{
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if(page >= _firstRamBank && page <= _lastRamBank) {
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memoryType = ChrMemoryType::ChrRam;
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page -= _firstRamBank;
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}
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MMC3::SelectCHRPage(slot, page, memoryType);
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}
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virtual void StreamState(bool saving) override
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{
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MMC3::StreamState(saving);
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Stream(_firstRamBank, _lastRamBank, _chrRamSize);
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}
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public:
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MMC3_ChrRam(uint16_t firstRamBank, uint16_t lastRamBank, uint16_t chrRamSize) : _firstRamBank(firstRamBank), _lastRamBank(lastRamBank), _chrRamSize(chrRamSize)
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{
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}
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};
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