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TaitoX1005 (Mapper 80) support

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This commit is contained in:
Souryo 2015-12-30 18:26:40 -05:00
parent fc86db8f32
commit f729f67bb8
5 changed files with 98 additions and 1 deletions
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3
Core/BaseMapper.h
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@ -86,6 +86,7 @@ class BaseMapper : public IMemoryHandler, public Snapshotable, public INotificat
//Save ram is battery backed and saved to disk
virtual uint32_t GetSaveRamSize() { return 0x2000; }
virtual uint32_t GetSaveRamPageSize() { return 0x2000; }
virtual bool ForceBattery() { return false; }
virtual uint32_t GetChrRamSize() { return 0x2000; }
@ -321,7 +322,7 @@ class BaseMapper : public IMemoryHandler, public Snapshotable, public INotificat
romLoader.GetCHRRam(&_chrRam);
_prgSize = romLoader.GetPRGSize();
_chrSize = romLoader.GetCHRSize();
_hasBattery = romLoader.HasBattery();
_hasBattery = romLoader.HasBattery() || ForceBattery();
_isPalRom = romLoader.IsPalRom();
_saveRam = new uint8_t[_saveRamSize];

1
Core/Core.vcxproj
View file

@ -338,6 +338,7 @@
<ClInclude Include="ROMLoader.h" />
<ClInclude Include="stdafx.h" />
<ClInclude Include="TaitoTc0190.h" />
<ClInclude Include="TaitoX1005.h" />
<ClInclude Include="TriangleChannel.h" />
<ClInclude Include="UnlPci556.h" />
<ClInclude Include="UNROM.h" />

3
Core/Core.vcxproj.filters
View file

@ -275,6 +275,9 @@
<ClInclude Include="Bandai74161_7432.h">
<Filter>Header Files\Mappers</Filter>
</ClInclude>
<ClInclude Include="TaitoX1005.h">
<Filter>Header Files\Mappers</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<ClCompile Include="CPU.cpp">

2
Core/MapperFactory.cpp
View file

@ -21,6 +21,7 @@
#include "Nina03_06.h"
#include "NROM.h"
#include "TaitoTc0190.h"
#include "TaitoX1005.h"
#include "UnlPci556.h"
#include "UNROM.h"
#include "VRC2_4.h"
@ -61,6 +62,7 @@ BaseMapper* MapperFactory::GetMapperFromID(uint8_t mapperID)
case 70: return new Bandai74161_7432(false);
case 71: return new BF909x();
case 79: return new Nina03_06();
case 80: return new TaitoX1005();
case 87: return new JalecoJfxx(false);
case 101: return new JalecoJfxx(true);
case 152: return new Bandai74161_7432(true);

90
Core/TaitoX1005.h Normal file
View file

@ -0,0 +1,90 @@
#pragma once
#include "stdafx.h"
#include "BaseMapper.h"
class TaitoX1005 : public BaseMapper
{
private:
uint8_t _ramPermission;
void UpdateRamAccess()
{
SetCpuMemoryMapping(0x7F00, 0x7FFF, 0, HasBattery() ? PrgMemoryType::SaveRam : PrgMemoryType::WorkRam, _ramPermission == 0xA3 ? MemoryAccessType::ReadWrite : MemoryAccessType::NoAccess);
}
protected:
virtual uint16_t GetPRGPageSize() { return 0x2000; }
virtual uint16_t GetCHRPageSize() { return 0x0400; }
virtual uint16_t RegisterStartAddress() { return 0x7EF0; }
virtual uint16_t RegisterEndAddress() { return 0x7EFF; }
virtual uint32_t GetWorkRamSize() { return 0x100; }
virtual uint32_t GetWorkRamPageSize() { return 0x100; }
virtual uint32_t GetSaveRamSize() { return 0x100; }
virtual uint32_t GetSaveRamPageSize() { return 0x100; }
void InitMapper()
{
_ramPermission = 0;
SelectPRGPage(3, -1);
UpdateRamAccess();
}
virtual bool ForceBattery()
{
//Patch: Force battery, because some headers are marked as having no battery even though the game expects one
return true;
}
void WriteRegister(uint16_t addr, uint8_t value)
{
switch(addr) {
case 0x7EF0:
SelectCHRPage(0, value);
SelectCHRPage(1, value + 1);
break;
case 0x7EF1:
SelectCHRPage(2, value );
SelectCHRPage(3, value + 1);
break;
case 0x7EF2: SelectCHRPage(4, value); break;
case 0x7EF3: SelectCHRPage(5, value); break;
case 0x7EF4: SelectCHRPage(6, value); break;
case 0x7EF5: SelectCHRPage(7, value); break;
case 0x7EF6: case 0x7EF7:
SetMirroringType((value & 0x01) == 0x01 ? MirroringType::Vertical : MirroringType::Horizontal);
break;
case 0x7EF8: case 0x7EF9:
_ramPermission = value;
UpdateRamAccess();
break;
case 0x7EFA: case 0x7EFB:
SelectPRGPage(0, value);
break;
case 0x7EFC: case 0x7EFD:
SelectPRGPage(1, value);
break;
case 0x7EFE: case 0x7EFF:
SelectPRGPage(2, value);
break;
}
}
virtual void StreamState(bool saving)
{
BaseMapper::StreamState(saving);
Stream<uint8_t>(_ramPermission);
if(!saving) {
UpdateRamAccess();
}
}
};