additional mappers

Core/Core.vcxproj

@@ -558,6 +558,7 @@
     <ClInclude Include="BmcCtc09.h" />
     <ClInclude Include="BmcCtc12in1.h" />
     <ClInclude Include="Bmc891227.h" />
+    <ClInclude Include="Ctc15.h" />
     <ClInclude Include="CityFighter.h" />
     <ClInclude Include="ConsolePauseHelper.h" />
     <ClInclude Include="ControlDeviceState.h" />
@@ -728,6 +729,7 @@
     <ClInclude Include="JalecoJf17_19.h" />
     <ClInclude Include="JyCompany.h" />
     <ClInclude Include="Kaiser202.h" />
+    <ClInclude Include="Kaiser7010.h" />
     <ClInclude Include="Kaiser7012.h" />
     <ClInclude Include="Kaiser7013B.h" />
     <ClInclude Include="Kaiser7022.h" />
@@ -738,6 +740,7 @@
     <ClInclude Include="Lh10.h" />
     <ClInclude Include="Lh32.h" />
     <ClInclude Include="Malee.h" />
+    <ClInclude Include="Mapper81.h" />
     <ClInclude Include="Mapper103.h" />
     <ClInclude Include="Mapper106.h" />
     <ClInclude Include="Mapper107.h" />
@@ -765,6 +768,7 @@
     <ClInclude Include="Mapper230.h" />
     <ClInclude Include="Mapper233.h" />
     <ClInclude Include="Mapper234.h" />
+    <ClInclude Include="Mapper237.h" />
     <ClInclude Include="Mapper183.h" />
     <ClInclude Include="Mapper253.h" />
     <ClInclude Include="Mapper43.h" />
@@ -791,6 +795,7 @@
     <ClInclude Include="MMC1_155.h" />
     <ClInclude Include="MMC3_114.h" />
     <ClInclude Include="MMC3_121.h" />
+    <ClInclude Include="MMC1_550.h" />
     <ClInclude Include="MMC3_14.h" />
     <ClInclude Include="MMC3_165.h" />
     <ClInclude Include="MMC3_182.h" />
@@ -873,6 +878,7 @@
     <ClInclude Include="Rambo1.h" />
     <ClInclude Include="Rt01.h" />
     <ClInclude Include="Sachen74LS374N.h" />
+    <ClInclude Include="Sachen3013.h" />
     <ClInclude Include="Sachen8259.h" />
     <ClInclude Include="Sachen_133.h" />
     <ClInclude Include="Sachen_136.h" />

Core/Core.vcxproj.filters

@@ -397,6 +397,9 @@
     <ClInclude Include="Mapper62.h">
       <Filter>Nes\Mappers\Unnamed</Filter>
     </ClInclude>
+    <ClInclude Include="Mapper81.h">
+      <Filter>Nes\Mappers\Unnamed</Filter>
+    </ClInclude>
     <ClInclude Include="Mapper91.h">
       <Filter>Nes\Mappers\Unnamed</Filter>
     </ClInclude>
@@ -427,6 +430,9 @@
     <ClInclude Include="Mapper231.h">
       <Filter>Nes\Mappers\Unnamed</Filter>
     </ClInclude>
+    <ClInclude Include="Mapper237.h">
+      <Filter>Nes\Mappers\Unnamed</Filter>
+    </ClInclude>
     <ClInclude Include="Mapper240.h">
       <Filter>Nes\Mappers\Unnamed</Filter>
     </ClInclude>
@@ -742,6 +748,9 @@
     <ClInclude Include="Kaiser202.h">
       <Filter>Nes\Mappers\Kaiser</Filter>
     </ClInclude>
+    <ClInclude Include="Kaiser7010.h">
+      <Filter>Nes\Mappers\Kaiser</Filter>
+    </ClInclude>
     <ClInclude Include="Henggedianzi177.h">
       <Filter>Nes\Mappers</Filter>
     </ClInclude>
@@ -907,6 +916,9 @@
     <ClInclude Include="Sachen_136.h">
       <Filter>Nes\Mappers\Sachen</Filter>
     </ClInclude>
+    <ClInclude Include="Sachen3013.h">
+      <Filter>Nes\Mappers\Sachen</Filter>
+    </ClInclude>
     <ClInclude Include="UnifLoader.h">
       <Filter>Nes\RomLoader</Filter>
     </ClInclude>
@@ -922,12 +934,18 @@
     <ClInclude Include="A12Watcher.h">
       <Filter>Nes\Mappers</Filter>
     </ClInclude>
+    <ClInclude Include="Ctc15.h">
+      <Filter>Nes\Mappers</Filter>
+    </ClInclude>
     <ClInclude Include="StudyBox.h">
       <Filter>Nes\Mappers</Filter>
     </ClInclude>
     <ClInclude Include="MMC1_105.h">
       <Filter>Nes\Mappers\MMC</Filter>
     </ClInclude>
+    <ClInclude Include="MMC1_550.h">
+      <Filter>Nes\Mappers\MMC</Filter>
+    </ClInclude>
     <ClInclude Include="Waixing162.h">
       <Filter>Nes\Mappers\Waixing</Filter>
     </ClInclude>

Core/Ctc15.h

@@ -0,0 +1,64 @@
+#pragma once
+#include "stdafx.h"
+#include "BaseMapper.h"
+
+class Ctc15 : public BaseMapper
+{
+private:
+	uint8_t _latch;
+	uint16_t _irqCounter;
+	bool _irqEnabled;
+
+protected:
+	uint16_t GetPRGPageSize() override { return 0x4000; }
+	uint16_t GetCHRPageSize() override { return 0x2000; }
+
+	void InitMapper() override
+	{
+		AddRegisterRange(0x4800, 0x4FFF, MemoryOperation::Write);
+		AddRegisterRange(0x5000, 0x57FF, MemoryOperation::Write);
+		RemoveRegisterRange(0x8000, 0xFFFF, MemoryOperation::Write);
+
+		_latch = 0x07;
+		_irqCounter = 0;
+		_irqEnabled = false;
+
+		SelectCHRPage(0, 0);
+		SelectPRGPage(0, _latch ^ 0x05);
+		SelectPRGPage(1, 0x03);
+		SetCpuMemoryMapping(0x6000, 0x7FFF, 0, PrgMemoryType::WorkRam);
+	}
+
+	virtual void StreamState(bool saving) override
+	{
+		BaseMapper::StreamState(saving);
+		Stream(_latch, _irqCounter, _irqEnabled);
+	}
+
+	void ProcessCpuClock() override
+	{
+		if (_irqEnabled) {
+			if (_irqCounter == 23680) {
+				_console->GetCpu()->SetIrqSource(IRQSource::External);
+			} else if (_irqCounter == 24320) {
+				_console->GetCpu()->ClearIrqSource(IRQSource::External);
+			}
+			_irqCounter++;
+		}
+	}
+
+	void WriteRegister(uint16_t addr, uint8_t value) override
+	{
+		if (addr < 0x5000) {
+			_latch = ((addr >> 3) & 0x04) | ((addr >> 2) & 0x03);
+			_irqEnabled = (addr & 0x04) != 0x04;
+
+			if (!_irqEnabled) {
+				_irqCounter = 0;
+				_console->GetCpu()->ClearIrqSource(IRQSource::External);
+			}
+		} else {
+			SelectPRGPage(0, _latch ^ 0x05);
+		}
+	}
+};

Core/Kaiser7010.h

@@ -0,0 +1,38 @@
+#pragma once
+#include "stdafx.h"
+#include "BaseMapper.h"
+
+class Kaiser7010 : public BaseMapper
+{
+protected:
+	uint16_t GetPRGPageSize() override { return 0x2000; }
+	uint16_t GetCHRPageSize() override { return 0x2000; }
+	bool AllowRegisterRead() override { return true; }
+
+	void InitMapper() override
+	{
+		SelectPRGPage(0, 10);
+		SelectPRGPage(1, 11);
+		SelectPRGPage(2, 6);
+		SelectPRGPage(3, 7);
+		SelectCHRPage(0, 0);
+		SetCpuMemoryMapping(0x6000, 0x7FFF, 0, PrgMemoryType::PrgRom);
+	}
+
+	uint8_t ReadRegister(uint16_t addr) override
+	{
+		if ((addr >= 0xCAB6) && (addr <= 0xCAD7)) {
+			SelectCHRPage(0, (addr >> 2) & 0x0F);
+			SetCpuMemoryMapping(0x6000, 0x7FFF, (addr >> 2) & 0x0F, PrgMemoryType::PrgRom);
+		}
+		else if (((addr & 0xFFFE) == 0xEBE2) || ((addr & 0xFFFE) == 0xEE32)) {
+			SelectCHRPage(0, (addr >> 2) & 0x0F);
+			SetCpuMemoryMapping(0x6000, 0x7FFF, (addr >> 2) & 0x0F, PrgMemoryType::PrgRom);
+		}
+		else if ((addr & 0xFFFE) == 0xFFFC) {
+			SelectCHRPage(0, (addr >> 2) & 0x0F);
+			SetCpuMemoryMapping(0x6000, 0x7FFF, (addr >> 2) & 0x0F, PrgMemoryType::PrgRom);
+		}
+		return InternalReadRam(addr);
+	}
+};

Core/MMC1_550.h

@@ -0,0 +1,60 @@
+#pragma once
+#include "MMC1.h"
+
+class MMC1_550 : public MMC1
+{
+private:
+	uint8_t _selectedBlock;
+	uint8_t _latch;
+
+protected:
+	void InitMapper() override
+	{
+		_selectedBlock, _latch = 0;
+		MMC1::InitMapper();
+		AddRegisterRange(0x7000, 0x7FFF, MemoryOperation::Write);
+	}
+
+	void StreamState(bool saving) override
+	{
+		MMC1::StreamState(saving);
+		Stream(_selectedBlock, _latch);;
+	}
+
+	void SelectPRGPage(uint16_t slot, uint16_t page, PrgMemoryType memoryType = PrgMemoryType::PrgRom) override
+	{
+		BaseMapper::SelectPRGPage(slot, (_selectedBlock << 2) | (page & 0x07));
+	}
+
+	void SelectCHRPage(uint16_t slot, uint16_t page, ChrMemoryType memoryType = ChrMemoryType::Default) override
+	{
+		BaseMapper::SelectCHRPage(slot, ((_selectedBlock << 2) & 0x18) | (page & 0x07));
+	}
+
+	void UpdateState() override
+	{
+		if ((_selectedBlock & 0x06) == 0x06) {
+			MMC1::UpdateState();
+		} else {
+			BaseMapper::SelectPrgPage2x(0, ((_selectedBlock << 1) | (_latch >> 4)) << 1);
+			BaseMapper::SelectChrPage2x(0, (((_selectedBlock << 1) & 0x0C) | (_latch & 0x03)) << 1);
+		}
+	}
+
+	void WriteRegister(uint16_t addr, uint8_t value) override
+	{
+		if (addr < 0x8000) {
+			WritePrgRam(addr, value);
+			if (!(_selectedBlock & 0x08)) {
+				_selectedBlock = addr & 0x0F;
+				UpdateState();
+			}
+		} else {
+			_latch = value;
+			if ((_selectedBlock & 0x06) == 0x06) {
+				MMC1::WriteRegister(addr, value);
+			}
+			UpdateState();
+		}
+	}
+};

Core/Mapper237.h

@@ -0,0 +1,72 @@
+#pragma once
+#include "stdafx.h"
+#include "BaseMapper.h"
+
+// Used by Teletubbies 420-in-1 multicart
+
+class Mapper237 : public BaseMapper
+{
+private:
+	uint8_t _prgBank;
+	bool _type;
+	bool _lock;
+
+protected:
+	virtual uint32_t GetDipSwitchCount() override { return 2; }
+	virtual uint16_t GetPRGPageSize() override { return 0x4000; }
+	virtual uint16_t GetCHRPageSize() override { return 0x2000; }
+	virtual bool AllowRegisterRead() override { return true; }
+
+	void InitMapper() override
+	{
+		_lock = false;
+		WriteRegister(0x8000, 0);
+	}
+
+	void Reset(bool softReset) override
+	{
+		_lock = false;
+		WriteRegister(0x8000, 0);
+	}
+
+	void StreamState(bool saving) override
+	{
+		BaseMapper::StreamState(saving);
+		Stream(_prgBank, _lock, _type);
+	}
+
+	uint8_t ReadRegister(uint16_t addr) override
+	{
+		if (_type)
+			return GetDipSwitches();
+		return InternalReadRam(addr);
+	}
+
+	void WriteRegister(uint16_t addr, uint8_t value) override
+	{
+		if(_lock) {
+			_prgBank &= ~0x07;
+			_prgBank |= value & 0x07;
+		} else {
+			_type = (addr & 0x01) == 0x01;
+			_lock = (addr & 0x02) == 0x02;
+			_prgBank = ((addr << 3) & 0x20) | (value & 0x1F);
+		}
+
+		SetMirroringType((value & 0x20) == 0x20 ? MirroringType::Horizontal : MirroringType::Vertical);
+
+		if(value & 0x80) {
+			if(value & 0x40) {
+				SelectPrgPage2x(0, _prgBank & 0xFE);
+			} else {
+				SelectPRGPage(0, _prgBank);
+				SelectPRGPage(1, _prgBank);		
+			}
+		} else {
+			SelectPRGPage(0, _prgBank);
+			SelectPRGPage(1, _prgBank | 0x07);
+		}
+
+		SelectCHRPage(0, 0);
+	}
+};

Core/Mapper81.h

@@ -0,0 +1,23 @@
+#pragma once
+#include "stdafx.h"
+#include "BaseMapper.h"
+
+class Mapper81 : public BaseMapper
+{
+protected:
+	virtual uint16_t GetPRGPageSize() override { return 0x4000; }
+	virtual uint16_t GetCHRPageSize() override { return 0x2000; }
+
+	void InitMapper() override
+	{
+		SelectPRGPage(0, 0);
+		SelectPRGPage(1, -1);
+        SelectCHRPage(0, 0);
+	}
+
+	void WriteRegister(uint16_t addr, uint8_t value) override
+	{
+		SelectPRGPage(0, addr >> 2);
+		SelectCHRPage(0, addr & 0x03);
+	}
+};