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Mapper 244 support (Decathlon)

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This commit is contained in:
Souryo 2016-08-12 19:05:32 -04:00
parent 22da5b61fe
commit 758e1a4d7d
4 changed files with 51 additions and 1 deletions
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1
Core/Core.vcxproj
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@ -464,6 +464,7 @@
<ClInclude Include="Mapper230.h" />
<ClInclude Include="Mapper234.h" />
<ClInclude Include="Mapper241.h" />
<ClInclude Include="Mapper244.h" />
<ClInclude Include="Mapper35.h" />
<ClInclude Include="Mapper40.h" />
<ClInclude Include="Mapper42.h" />

3
Core/Core.vcxproj.filters
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@ -853,6 +853,9 @@
<ClInclude Include="Mapper120.h">
<Filter>Nes\Mappers\Unnamed</Filter>
</ClInclude>
<ClInclude Include="Mapper244.h">
<Filter>Nes\Mappers\Unnamed</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<ClCompile Include="stdafx.cpp">

44
Core/Mapper244.h Normal file
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@ -0,0 +1,44 @@
#pragma once
#include "stdafx.h"
#include "BaseMapper.h"
class Mapper244 : public BaseMapper
{
private:
uint8_t _lutPrg[4][4] = {
{ 0, 1, 2, 3 },
{ 3, 2, 1, 0 },
{ 0, 2, 1, 3 },
{ 3, 1, 2, 0 }
};
uint8_t _lutChr[8][8] = {
{ 0, 1, 2, 3, 4, 5, 6, 7 },
{ 0, 2, 1, 3, 4, 6, 5, 7 },
{ 0, 1, 4, 5, 2, 3, 6, 7 },
{ 0, 4, 1, 5, 2, 6, 3, 7 },
{ 0, 4, 2, 6, 1, 5, 3, 7 },
{ 0, 2, 4, 6, 1, 3, 5, 7 },
{ 7, 6, 5, 4, 3, 2, 1, 0 },
{ 7, 6, 5, 4, 3, 2, 1, 0 }
};
protected:
virtual uint16_t GetPRGPageSize() { return 0x8000; }
virtual uint16_t GetCHRPageSize() { return 0x2000; }
void InitMapper()
{
SelectPRGPage(0, 0);
SelectCHRPage(0, 0);
}
void WriteRegister(uint16_t addr, uint8_t value)
{
if(value & 0x08) {
SelectCHRPage(0, _lutChr[(value >> 4) & 0x07][value & 0x07]);
} else {
SelectPRGPage(0, _lutPrg[(value >> 4) & 0x03][value & 0x03]);
}
}
};

4
Core/MapperFactory.cpp
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@ -72,6 +72,7 @@
#include "Mapper240.h"
#include "Mapper241.h"
#include "Mapper242.h"
#include "Mapper244.h"
#include "Mapper246.h"
#include "MMC1.h"
#include "MMC1_155.h"
@ -178,7 +179,7 @@ Supported mappers:
|192|193|194|195| |197| | |200|201|202|203| |205|206|207|
| |209|210|211|212| | | | | |218| | |221| | |
| |225|226|227|228| |230|231|232| |234|235| |===| |===|
|240|241|242|243| |245|246|===|===|249|250|===|252| | | |
|240|241|242|243|244|245|246|===|===|249|250|===|252| | | |
-----------------------------------------------------------------
*/
@ -376,6 +377,7 @@ BaseMapper* MapperFactory::GetMapperFromID(RomData &romData)
case 241: return new Mapper241();
case 242: return new Mapper242();
case 243: return new Sachen74LS374N();
case 244: return new Mapper244();
case 245: return new MMC3_245();
case 246: return new Mapper246();
case 249: return new MMC3_249();