UNIF BMC-G-146 board support

Core/BmcG146.h

@@ -0,0 +1,38 @@
+#pragma once
+#include "stdafx.h"
+#include "BaseMapper.h"
+
+class BmcG146 : public BaseMapper
+{
+protected:
+	uint16_t GetPRGPageSize() override { return 0x4000; }
+	uint16_t GetCHRPageSize() override { return 0x2000; }
+
+	void InitMapper() override
+	{
+	}
+
+	void Reset(bool softReset)
+	{
+		BaseMapper::Reset(softReset);
+
+		WriteRegister(0x8000, 0);
+		SelectCHRPage(0, 0);
+	}
+
+	void WriteRegister(uint16_t addr, uint8_t value) override
+	{
+		if(addr & 0x800) {
+			SelectPRGPage(0, (addr & 0x1F) | (addr & ((addr & 0x40) >> 6)));
+			SelectPRGPage(1, (addr & 0x18) | 0x07);
+		} else {
+			if(addr & 0x40) {
+				SelectPRGPage(0, addr & 0x1F);
+				SelectPRGPage(1, addr & 0x1F);
+			} else {
+				SelectPrgPage2x(0, addr & 0x1E);
+			}
+		}
+		SetMirroringType(addr & 0x80 ? MirroringType::Horizontal : MirroringType::Vertical);
+	}
+};

Core/Core.vcxproj

@@ -423,6 +423,7 @@
     <ClInclude Include="Bmc63.h" />
     <ClInclude Include="A65AS.h" />
     <ClInclude Include="Bmc70in1.h" />
+    <ClInclude Include="BmcG146.h" />
     <ClInclude Include="BnRom.h" />
     <ClInclude Include="Bs5.h" />
     <ClInclude Include="Caltron41.h" />

Core/Core.vcxproj.filters

@@ -1039,6 +1039,9 @@
     <ClInclude Include="Ac08.h">
       <Filter>Nes\Mappers\Unif</Filter>
     </ClInclude>
+    <ClInclude Include="BmcG146.h">
+      <Filter>Nes\Mappers\Unif</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="stdafx.cpp">

Core/MapperFactory.cpp

@@ -22,6 +22,7 @@
 #include "Bmc190in1.h"
 #include "Bmc235.h"
 #include "Bmc255.h"
+#include "BmcG146.h"
 #include "BnRom.h"
 #include "Bs5.h"
 #include "Caltron41.h"
@@ -475,6 +476,7 @@ BaseMapper* MapperFactory::GetMapperFromID(RomData &romData)
 		case UnifBoards::Bmc70in1: return new Bmc70in1();
 		case UnifBoards::Bmc70in1B: return new Bmc70in1();
 		case UnifBoards::Bmc190in1: return new Bmc190in1();
+		case UnifBoards::BmcG146: return new BmcG146();
 		case UnifBoards::Bs5: return new Bs5();
 		case UnifBoards::Cc21: return new Cc21();
 		case UnifBoards::Coolboy: return new MMC3_Coolboy();

Core/UnifBoards.h

@@ -32,5 +32,6 @@ namespace UnifBoards {
 		Hp898f,
 		Bb,
 		Ac08,
+		BmcG146
 	};
 }

Core/UnifLoader.h

@@ -51,7 +51,7 @@ private:
 		{ "FK23C", UnifBoards::UnknownBoard },
 		{ "FK23CA", UnifBoards::UnknownBoard },
 		{ "FS304", 162 },
-		{ "G-146", UnifBoards::UnknownBoard },
+		{ "G-146", UnifBoards::BmcG146 },
 		{ "GK-192", 58 },
 		{ "GS-2004", UnifBoards::Gs2004 },
 		{ "GS-2013", UnifBoards::Gs2013 },