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Add Mapper 404

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This commit is contained in:
negativeExponent 2022-06-20 13:22:59 +08:00
parent 0037d4c9f3
commit 61f13afe7f
4 changed files with 70 additions and 0 deletions
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1
Core/Core.vcxproj
View file

@ -873,6 +873,7 @@
<ClInclude Include="Namco163.h" />
<ClInclude Include="Namco163Audio.h" />
<ClInclude Include="MMC1_105.h" />
<ClInclude Include="MMC1_404.h" />
<ClInclude Include="NovelDiamond.h" />
<ClInclude Include="NsfCart31.h" />
<ClInclude Include="NsfeLoader.h" />

3
Core/Core.vcxproj.filters
View file

@ -982,6 +982,9 @@
<ClInclude Include="MMC1_105.h">
<Filter>Nes\Mappers\MMC</Filter>
</ClInclude>
<ClInclude Include="MMC1_404.h">
<Filter>Nes\Mappers\MMC</Filter>
</ClInclude>
<ClInclude Include="MMC1_550.h">
<Filter>Nes\Mappers\MMC</Filter>
</ClInclude>

63
Core/MMC1_404.h Normal file
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@ -0,0 +1,63 @@
#pragma once
#include "MMC1.h"
// JY012005 - 1998 Super HiK 8-in-1 (JY-021B) multicart.
class MMC1_404 : public MMC1
{
private:
uint8_t _outerPrgBank;
uint8_t _outerChrBank;
uint8_t _prgMask;
uint8_t _reg;
protected:
void InitMapper() override
{
AddRegisterRange(0x6000, 0x7FFF, MemoryOperation::Write);
MMC1::InitMapper();
}
void Reset(bool softReset) override
{
MMC1::Reset(softReset);
_outerPrgBank = 0;
_outerChrBank = 0;
_prgMask = 0x0F;
_reg = 0;
UpdateState();
}
void StreamState(bool saving) override
{
MMC1::StreamState(saving);
Stream(_outerPrgBank, _outerChrBank, _prgMask, _reg);
}
void SelectCHRPage(uint16_t slot, uint16_t page, ChrMemoryType memoryType) override
{
MMC1::SelectCHRPage(slot, _outerChrBank | (page & 0x1F), memoryType);
}
void SelectPRGPage(uint16_t slot, uint16_t page, PrgMemoryType memoryType) override
{
MMC1::SelectPRGPage(slot, _outerPrgBank | (page & _prgMask), memoryType);
}
void WriteRegister(uint16_t addr, uint8_t value) override
{
if(addr < 0x8000) {
if (!(_reg & 0x80)) {
_reg = value;
_prgMask = (_reg & 0x40) ? 0x07 : 0x0F;
_outerPrgBank = ((_reg & 0x0F) << 3) & ~_prgMask;
_outerChrBank = ((_reg & 0x0F) << 5);
UpdateState();
}
} else {
MMC1::WriteRegister(addr, value);
}
}
};

3
Core/MapperFactory.cpp
View file

@ -181,6 +181,7 @@
#include "MMC1.h"
#include "MMC1_105.h"
#include "MMC1_155.h"
#include "MMC1_404.h"
#include "MMC1_550.h"
#include "MMC2.h"
#include "MMC3.h"
@ -718,6 +719,8 @@ BaseMapper* MapperFactory::GetMapperFromID(RomData &romData)
//396-400
case 401: return new MMC3_401();
case 404: return new MMC1_404();
//
case 409: return new Mapper409();
case 410: return new MMC3_410();
case 411: return new MMC3_411();