UNIF BMC-F-15 board support

Core/Core.vcxproj

@@ -548,6 +548,7 @@
     <ClInclude Include="MMC3_47.h" />
     <ClInclude Include="MMC3_49.h" />
     <ClInclude Include="MMC3_52.h" />
+    <ClInclude Include="MMC3_BmcF15.h" />
     <ClInclude Include="MMC3_ChrRam.h" />
     <ClInclude Include="MMC3_Coolboy.h" />
     <ClInclude Include="MMC3_Kof97.h" />

Core/Core.vcxproj.filters

@@ -1057,6 +1057,9 @@
     <ClInclude Include="Bmc810544CA1.h">
       <Filter>Nes\Mappers\Unif</Filter>
     </ClInclude>
+    <ClInclude Include="MMC3_BmcF15.h">
+      <Filter>Nes\Mappers\Unif</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="stdafx.cpp">

Core/MMC3_BmcF15.h

@@ -0,0 +1,44 @@
+#pragma once
+#include "stdafx.h"
+#include "MMC3.h"
+
+class MMC3_BmcF15 : public MMC3
+{
+private:
+	uint8_t _exReg;
+
+protected:
+	void InitMapper() override
+	{
+		AddRegisterRange(0x6000, 0xFFFF, MemoryOperation::Write);
+		_exReg = 0;
+		MMC3::InitMapper();
+	}
+
+	void StreamState(bool saving) override
+	{
+		MMC3::StreamState(saving);
+		Stream(_exReg);
+	}
+
+	void UpdatePrgMapping() override
+	{
+		uint32_t bank = _exReg & 0x0F;
+		uint32_t mode = (_exReg & 0x08) >> 3;
+		uint32_t mask = ~mode;
+		SelectPrgPage2x(0, (bank & mask) << 1);
+		SelectPrgPage2x(1, ((bank & mask) | mode) << 1);
+	}
+
+	void WriteRegister(uint16_t addr, uint8_t value) override
+	{
+		if(addr < 0x8000) {
+			if(GetState().RegA001 & 0x80) {
+				_exReg = value & 0x0F;
+				UpdatePrgMapping();
+			}
+		} else {
+			MMC3::WriteRegister(addr, value);
+		}
+	}
+};

Core/MapperFactory.cpp

@@ -148,6 +148,7 @@
 #include "MMC3_249.h"
 #include "MMC3_250.h"
 #include "MMC3_254.h"
+#include "MMC3_BmcF15.h"
 #include "MMC3_ChrRam.h"
 #include "MMC3_Coolboy.h"
 #include "MMC3_Kof97.h"
@@ -485,6 +486,7 @@ BaseMapper* MapperFactory::GetMapperFromID(RomData &romData)
 		case UnifBoards::Bmc70in1B: return new Bmc70in1();
 		case UnifBoards::Bmc190in1: return new Bmc190in1();
 		case UnifBoards::Bmc810544CA1: return new Bmc810544CA1();
+		case UnifBoards::BmcF15: return new MMC3_BmcF15();
 		case UnifBoards::BmcG146: return new BmcG146();
 		case UnifBoards::BmdNtd03: return new BmcNtd03();
 		case UnifBoards::Bs5: return new Bs5();

Core/UnifBoards.h

@@ -38,5 +38,6 @@ namespace UnifBoards {
 		Bmc12in1,
 		Bmc64in1NoRepeat,
 		Bmc810544CA1,
+		BmcF15,
 	};
 }

Core/UnifLoader.h

@@ -155,7 +155,7 @@ private:
 		{ "DRAGONFIGHTER", UnifBoards::UnknownBoard },
 		{ "EH8813A", UnifBoards::UnknownBoard },
 		{ "HP898F", UnifBoards::Hp898f },
-		{ "F-15", UnifBoards::UnknownBoard },
+		{ "F-15", UnifBoards::BmcF15 },
 		{ "RT-01", UnifBoards::Rt01 },
 		{ "81-01-31-C", UnifBoards::UnknownBoard },
 		{ "8-IN-1", UnifBoards::UnknownBoard },