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40 lines
No EOL
932 B
C++
40 lines
No EOL
932 B
C++
#pragma once
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#include "pch.h"
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#include "NES/BaseMapper.h"
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class TaitoTc0190 : public BaseMapper
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{
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protected:
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uint16_t GetPrgPageSize() override { return 0x2000; }
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uint16_t GetChrPageSize() override { return 0x0400; }
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void InitMapper() override
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{
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SelectPrgPage(2, -2);
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SelectPrgPage(3, -1);
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}
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void WriteRegister(uint16_t addr, uint8_t value) override
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{
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switch(addr & 0xA003) {
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case 0x8000:
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SelectPrgPage(0, value & 0x3F);
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SetMirroringType((value & 0x40) == 0x40 ? MirroringType::Horizontal : MirroringType::Vertical);
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break;
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case 0x8001:
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SelectPrgPage(1, value & 0x3F);
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break;
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case 0x8002:
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SelectChrPage(0, value * 2);
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SelectChrPage(1, value * 2 + 1);
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break;
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case 0x8003:
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SelectChrPage(2, value * 2);
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SelectChrPage(3, value * 2 + 1);
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break;
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case 0xA000: case 0xA001: case 0xA002: case 0xA003:
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SelectChrPage(4 + (addr & 0x03), value);
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break;
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}
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}
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}; |