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Mapper 58 support

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Souryo 2016-01-19 20:48:09 -05:00
parent 6d691e5cab
commit b49b7a1e99
4 changed files with 38 additions and 0 deletions
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1
Core/Core.vcxproj
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@ -372,6 +372,7 @@
<ClInclude Include="Mapper240.h" />
<ClInclude Include="Mapper242.h" />
<ClInclude Include="Mapper246.h" />
<ClInclude Include="Mapper58.h" />
<ClInclude Include="MMC3_115.h" />
<ClInclude Include="MMC3_ChrRam.h" />
<ClInclude Include="NtdecTc112.h" />

3
Core/Core.vcxproj.filters
View file

@ -380,6 +380,9 @@
<ClInclude Include="MMC3_ChrRam.h">
<Filter>Nes\Mappers</Filter>
</ClInclude>
<ClInclude Include="Mapper58.h">
<Filter>Nes\Mappers</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<ClCompile Include="stdafx.cpp">

32
Core/Mapper58.h Normal file
View file

@ -0,0 +1,32 @@
#pragma once
#include "stdafx.h"
#include "BaseMapper.h"
class Mapper58 : public BaseMapper
{
protected:
virtual uint16_t GetPRGPageSize() { return 0x4000; }
virtual uint16_t GetCHRPageSize() { return 0x2000; }
void InitMapper()
{
SelectPRGPage(0, 0);
SelectPRGPage(1, 1);
SelectCHRPage(0, 0);
}
void WriteRegister(uint16_t addr, uint8_t value)
{
uint8_t prgBank = addr & 0x07;
if(addr & 0x40) {
SelectPRGPage(0, prgBank);
SelectPRGPage(1, prgBank);
} else {
SelectPRGPage(0, prgBank & 0xFE);
SelectPRGPage(1, (prgBank & 0xFE) + 1);
}
SelectCHRPage(0, (addr >> 3) & 0x07);
SetMirroringType(addr & 0x80 ? MirroringType::Horizontal : MirroringType::Vertical);
}
};

2
Core/MapperFactory.cpp
View file

@ -15,6 +15,7 @@
#include "IremTamS1.h"
#include "JalecoJfxx.h"
#include "JalecoSs88006.h"
#include "Mapper58.h"
#include "Mapper200.h"
#include "Mapper231.h"
#include "Mapper240.h"
@ -85,6 +86,7 @@ BaseMapper* MapperFactory::GetMapperFromID(ROMLoader &romLoader)
case 34: return (romLoader.GetChrSize() > 0) ? (BaseMapper*)new Nina01() : (BaseMapper*)new BnRom(); //BnROM uses CHR RAM (so no CHR rom in the .NES file)
case 37: break;
case 38: return new UnlPci556();
case 58: return new Mapper58();
case 66: return new GxRom();
case 70: return new Bandai74161_7432(false);
case 71: return new BF909x();