Added support for mapper 288 (GKCX1 multicarts)

Core/Core.vcxproj

@@ -531,6 +531,7 @@
     <ClInclude Include="DragonFighter.h" />
     <ClInclude Include="DrawScreenBufferCommand.h" />
     <ClInclude Include="FdsSystemActionManager.h" />
+    <ClInclude Include="Gkcx1.h" />
     <ClInclude Include="HdPackConditions.h" />
     <ClInclude Include="IBarcodeReader.h" />
     <ClInclude Include="IBattery.h" />

Core/Core.vcxproj.filters

@@ -1447,6 +1447,9 @@
     <ClInclude Include="NESHeader.h">
       <Filter>Nes\RomLoader</Filter>
     </ClInclude>
+    <ClInclude Include="Gkcx1.h">
+      <Filter>Nes\Mappers\Unif</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="stdafx.cpp">

Core/Gkcx1.h

@@ -0,0 +1,22 @@
+#pragma once
+#include "stdafx.h"
+#include "BaseMapper.h"
+
+class Gkcx1 : public BaseMapper
+{
+protected:
+	uint16_t GetPRGPageSize() override { return 0x8000; }
+	uint16_t GetCHRPageSize() override { return 0x2000; }
+
+	void InitMapper() override
+	{
+		SelectPRGPage(0, 0);
+		SelectCHRPage(0, 0);
+	}
+
+	void WriteRegister(uint16_t addr, uint8_t value) override
+	{
+		SelectPRGPage(0, (addr >> 3) & 0x03);
+		SelectCHRPage(0, addr & 0x07);
+	}
+};

Core/MapperFactory.cpp

@@ -57,6 +57,7 @@
 #include "FDS.h"
 #include "FrontFareast.h"
 #include "Ghostbusters63in1.h"
+#include "Gkcx1.h"
 #include "GoldenFive.h"
 #include "Gs2004.h"
 #include "Gs2013.h"
@@ -556,7 +557,7 @@ BaseMapper* MapperFactory::GetMapperFromID(RomData &romData)
 		case 285: return new A65AS();
 		case 286: return new Bs5();
 		case 287: return new MMC3_Bmc411120C(); //+ K-3088
-		case 288: break; //GKCXIN1
+		case 288: return new Gkcx1();
 		case 289: return new Bmc60311C();
 		case 290: return new BmcNtd03();
 		//291