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TXC 22211A/B/C support (Mappers 132, 172, 173)

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Souryo 2016-07-17 12:42:03 -04:00
parent d685b556a1
commit bf5ad7439d
6 changed files with 98 additions and 2 deletions
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3
Core/Core.vcxproj
View file

@ -584,6 +584,9 @@
<ClInclude Include="TaitoX1017.h" />
<ClInclude Include="TraceLogger.h" />
<ClInclude Include="TriangleChannel.h" />
<ClInclude Include="Txc22211A.h" />
<ClInclude Include="Txc22211B.h" />
<ClInclude Include="Txc22211C.h" />
<ClInclude Include="TxSRom.h" />
<ClInclude Include="VideoRenderer.h" />
<ClInclude Include="UnlPci556.h" />

9
Core/Core.vcxproj.filters
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@ -727,6 +727,15 @@
<ClInclude Include="Sachen_133.h">
<Filter>Nes\Mappers\Sachen</Filter>
</ClInclude>
<ClInclude Include="Txc22211A.h">
<Filter>Nes\Mappers</Filter>
</ClInclude>
<ClInclude Include="Txc22211B.h">
<Filter>Nes\Mappers</Filter>
</ClInclude>
<ClInclude Include="Txc22211C.h">
<Filter>Nes\Mappers</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<ClCompile Include="stdafx.cpp">

10
Core/MapperFactory.cpp
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@ -105,6 +105,9 @@
#include "TaitoTc0690.h"
#include "TaitoX1005.h"
#include "TaitoX1017.h"
#include "Txc22211A.h"
#include "Txc22211B.h"
#include "Txc22211C.h"
#include "TxSRom.h"
#include "UnlPci556.h"
#include "UNROM.h"
@ -131,9 +134,9 @@ Supported mappers: (... denotes bad mappers)
| 80| | 82| | | 85| 86| 87| 88| 89| | 91| 92| 93| 94| 95|
| | 97| | 99|...|101| | | | | |107| | | | |
|112|113| |115| | |118|119| | | | | | | | |
| | | | | |133| | | |137|138|139|140|141| |143|
| | | | |132|133| | | |137|138|139|140|141| |143|
|144|145|146|147|148|149|150|151|152|153|154|155|156|157| |159|
| | | |163|164| | | | | | | | | | | |
| | | |163|164| | | | | | | |172|173| | |
|176| | | |180| |182| |184|185| | | |189| |191|
|192|193|194|195| | | | |200|201|202|203| |205|206|207|
| | |210| | | | | | | |218| | | | | |
@ -244,6 +247,7 @@ BaseMapper* MapperFactory::GetMapperFromID(RomData &romData)
case 115: return new MMC3_115();
case 118: return new TxSRom();
case 119: return new MMC3_ChrRam(0x40, 0x7F, 8);
case 132: return new Txc22211A();
case 133: return new Sachen_133();
case 137: return new Sachen8259(Sachen8259Variant::Sachen8259D);
case 138: return new Sachen8259(Sachen8259Variant::Sachen8259B);
@ -268,6 +272,8 @@ BaseMapper* MapperFactory::GetMapperFromID(RomData &romData)
case 159: return new BandaiFcg();
case 163: return new Nanjing();
case 164: return new Waixing164();
case 172: return new Txc22211B();
case 173: return new Txc22211C();
case 176: return new Waixing176();
case 180: return new UnRom_180();
case 182: return new MMC3_182();

53
Core/Txc22211A.h Normal file
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@ -0,0 +1,53 @@
#pragma once
#include "stdafx.h"
#include "BaseMapper.h"
class Txc22211A : public BaseMapper
{
protected:
virtual uint16_t GetPRGPageSize() { return 0x8000; }
virtual uint16_t GetCHRPageSize() { return 0x2000; }
virtual uint16_t RegisterStartAddress() { return 0x8000; }
virtual uint16_t RegisterEndAddress() { return 0xFFFF; }
virtual bool AllowRegisterRead() { return true; }
uint8_t _regs[4];
void InitMapper()
{
AddRegisterRange(0x4100, 0x4103, MemoryOperation::Any);
RemoveRegisterRange(0x8000, 0xFFFF, MemoryOperation::Read);
memset(_regs, 0, sizeof(_regs));
SelectPRGPage(0, 0);
SelectCHRPage(0, 0);
}
void StreamState(bool saving)
{
BaseMapper::StreamState(saving);
Stream(_regs[0], _regs[1], _regs[2], _regs[3]);
}
virtual uint8_t ReadRegister(uint16_t addr)
{
return (_regs[1] ^ _regs[2]) | 0x40;
}
virtual void UpdateState(uint8_t value)
{
SelectPRGPage(0, _regs[2] >> 2);
SelectCHRPage(0, _regs[2]);
}
void WriteRegister(uint16_t addr, uint8_t value)
{
if(addr < 0x8000) {
_regs[addr & 0x03] = value;
} else {
UpdateState(value);
}
}
};

13
Core/Txc22211B.h Normal file
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@ -0,0 +1,13 @@
#pragma once
#include "stdafx.h"
#include "Txc22211A.h"
class Txc22211B : public Txc22211A
{
protected:
virtual void UpdateState(uint8_t value)
{
SelectPRGPage(0, _regs[2] >> 2);
SelectCHRPage(0, (((value ^ _regs[2]) >> 3) & 0x02) | (((value ^ _regs[2]) >> 5) & 0x01));
}
};

12
Core/Txc22211C.h Normal file
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@ -0,0 +1,12 @@
#pragma once
#include "stdafx.h"
#include "Txc22211A.h"
class Txc22211C : public Txc22211A
{
protected:
virtual uint8_t ReadRegister(uint16_t addr)
{
return (_regs[1] ^ _regs[2]) | 0x41;
}
};