empathicqubit/Mesen-X
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Basic mapper 186 support (StudyBox - incomplete)

Browse source
This commit is contained in:
Souryo 2016-08-20 13:29:27 -04:00
parent c5b97c877e
commit 8c4dba88f7
4 changed files with 72 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
Core/Core.vcxproj
View file

@ -619,6 +619,7 @@
<ClInclude Include="stdafx.h" /> <ClInclude Include="stdafx.h" />
<ClInclude Include="StereoDelayFilter.h" /> <ClInclude Include="StereoDelayFilter.h" />
<ClInclude Include="StereoPanningFilter.h" /> <ClInclude Include="StereoPanningFilter.h" />
<ClInclude Include="StudyBox.h" />
<ClInclude Include="Subor166.h" /> <ClInclude Include="Subor166.h" />
<ClInclude Include="Sunsoft184.h" /> <ClInclude Include="Sunsoft184.h" />
<ClInclude Include="Sunsoft3.h" /> <ClInclude Include="Sunsoft3.h" />

3
Core/Core.vcxproj.filters
View file

@ -910,6 +910,9 @@
<ClInclude Include="A12Watcher.h"> <ClInclude Include="A12Watcher.h">
<Filter>Nes\Mappers</Filter> <Filter>Nes\Mappers</Filter>
</ClInclude> </ClInclude>
<ClInclude Include="StudyBox.h">
<Filter>Nes\Mappers</Filter>
</ClInclude>
</ItemGroup> </ItemGroup>
<ItemGroup> <ItemGroup>
<ClCompile Include="stdafx.cpp"> <ClCompile Include="stdafx.cpp">

6
Core/MapperFactory.cpp
View file

@ -140,6 +140,7 @@
#include "Sachen74LS374N.h" #include "Sachen74LS374N.h"
#include "Sachen74LS374NB.h" #include "Sachen74LS374NB.h"
#include "Sachen8259.h" #include "Sachen8259.h"
#include "StudyBox.h"
#include "Subor166.h" #include "Subor166.h"
#include "Sunsoft3.h" #include "Sunsoft3.h"
#include "Sunsoft4.h" #include "Sunsoft4.h"
@ -189,8 +190,8 @@ Supported mappers:
|112|113|114|115| |117|118|119|120|121|===| |===| | |===| |112|113|114|115| |117|118|119|120|121|===| |===| | |===|
|===|===|===|===|132|133| |===|136|137|138|139|140|141|142|143| |===|===|===|===|132|133| |===|136|137|138|139|140|141|142|143|
|144|145|146|147|148|149|150|151|152|153|154|155|156|157| |159| |144|145|146|147|148|149|150|151|152|153|154|155|156|157| |159|
| |===| |163|164|165|166|167|168|===|170|171|172|173|===|175| |---|===| |163|164|165|166|167|168|===|170|171|172|173|===|175|
|176|177|178|179|180|---|182|183|184|185| |187|188|189|===|191| |176|177|178|179|180|---|182|183|184|185|186|187|188|189|===|191|
|192|193|194|195| |197| | |200|201|202|203|204|205|206|207| |192|193|194|195| |197| | |200|201|202|203|204|205|206|207|
| |209|210|211|212|213|214| | | |218| | |221|222| | | |209|210|211|212|213|214| | | |218| | |221|222| |
| |225|226|227|228|229|230|231|232|233|234|235| |===|238|===| | |225|226|227|228|229|230|231|232|233|234|235| |===|238|===|
@ -363,6 +364,7 @@ BaseMapper* MapperFactory::GetMapperFromID(RomData &romData)
case 183: return new Mapper183(); case 183: return new Mapper183();
case 184: return new Sunsoft184(); case 184: return new Sunsoft184();
case 185: return new CNROM(true); case 185: return new CNROM(true);
case 186: return new StudyBox();
case 187: return new MMC3_187(); case 187: return new MMC3_187();
case 188: return new BandaiKaraoke(); case 188: return new BandaiKaraoke();
case 189: return new MMC3_189(); case 189: return new MMC3_189();

64
Core/StudyBox.h Normal file
View file

@ -0,0 +1,64 @@
#pragma once
#include "stdafx.h"
#include "BaseMapper.h"
class StudyBox : public BaseMapper
{
private:
uint8_t _prgRamReg;
protected:
virtual uint16_t RegisterStartAddress() { return 0x4200; }
virtual uint16_t RegisterEndAddress() { return 0x43FF; }
virtual bool AllowRegisterRead() { return true; }
virtual uint16_t GetPRGPageSize() { return 0x4000; }
virtual uint16_t GetCHRPageSize() { return 0x2000; }
virtual uint32_t GetSaveRamSize() { return 0xC00; }
virtual uint32_t GetSaveRamPageSize() { return 0xC00; }
virtual uint32_t GetWorkRamSize() { return 0x8000; }
virtual uint32_t GetWorkRamPageSize() { return 0x2000; }
void InitMapper()
{
_prgRamReg = 0;
SelectPRGPage(1, 0);
SelectCHRPage(0, 0);
SetCpuMemoryMapping(0x4400, 0x4FFF, 0, PrgMemoryType::SaveRam);
UpdateState();
}
void StreamState(bool saving)
{
BaseMapper::StreamState(saving);
Stream(_prgRamReg);
}
uint8_t ReadRegister(uint16_t addr)
{
switch(addr) {
case 0x4200: case 0x4201: case 0x4203: return 0x00;
case 0x4202: return 0x40;
default: return 0xFF;
}
}
void UpdateState()
{
SetCpuMemoryMapping(0x6000, 0x7FFF, _prgRamReg, PrgMemoryType::WorkRam);
}
void WriteRegister(uint16_t addr, uint8_t value)
{
if(addr & 0x4203) {
switch(addr & 0x03) {
case 0: _prgRamReg = value >> 6; UpdateState(); break;
case 1: SelectPRGPage(0, value); break;
}
}
}
};