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Mapper 15 support

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This commit is contained in:
Souryo 2016-05-19 18:54:49 -04:00
parent 16b2d26fcf
commit e17a013f2b
3 changed files with 52 additions and 0 deletions
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1
Core/Core.vcxproj
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@ -383,6 +383,7 @@
<ClInclude Include="JalecoJf17_19.h" />
<ClInclude Include="Mapper107.h" />
<ClInclude Include="Mapper112.h" />
<ClInclude Include="Mapper15.h" />
<ClInclude Include="Mapper200.h" />
<ClInclude Include="Mapper201.h" />
<ClInclude Include="Mapper202.h" />

49
Core/Mapper15.h Normal file
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@ -0,0 +1,49 @@
#pragma once
#include "stdafx.h"
#include "BaseMapper.h"
class Mapper15 : public BaseMapper
{
protected:
virtual uint16_t GetPRGPageSize() { return 0x2000; }
virtual uint16_t GetCHRPageSize() { return 0x2000; }
void InitMapper()
{
WriteRegister(0x8000, 0);
SelectCHRPage(0, 0);
}
void WriteRegister(uint16_t addr, uint8_t value)
{
SetMirroringType(value & 0x40 ? MirroringType::Horizontal : MirroringType::Vertical);
uint8_t subBank = value >> 7;
uint8_t bank = (value & 0x7F) << 1;
switch(addr & 0x03) {
case 0:
SelectPRGPage(0, bank ^ subBank);
SelectPRGPage(1, (bank + 1) ^ subBank);
SelectPRGPage(2, (bank + 2) ^ subBank);
SelectPRGPage(3, (bank + 3) ^ subBank);
break;
case 1:
case 3:
bank |= subBank;
SelectPRGPage(0, bank);
SelectPRGPage(1, bank + 1);
SelectPRGPage(2, bank + ((addr & 0x02) ? 0 : 1));
SelectPRGPage(3, bank + 1);
break;
case 2:
bank |= subBank;
SelectPRGPage(0, bank);
SelectPRGPage(1, bank);
SelectPRGPage(2, bank);
SelectPRGPage(3, bank);
break;
}
}
};

2
Core/MapperFactory.cpp
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@ -21,6 +21,7 @@
#include "JalecoJf17_19.h"
#include "JalecoJfxx.h"
#include "JalecoSs88006.h"
#include "Mapper15.h"
#include "Mapper57.h"
#include "Mapper58.h"
#include "Mapper61.h"
@ -110,6 +111,7 @@ BaseMapper* MapperFactory::GetMapperFromID(RomData &romData)
case 11: return new ColorDreams();
case 12: return new MMC3_12();
case 13: return new CpRom();
case 15: return new Mapper15();
case 16: break; //18 games
case 18: return new JalecoSs88006();
case 19: break; //16 games