diff --git a/Core/Core.vcxproj b/Core/Core.vcxproj
index 72745b29..e80612e7 100644
--- a/Core/Core.vcxproj
+++ b/Core/Core.vcxproj
@@ -386,6 +386,7 @@
     </ClCompile>
     <ClCompile Include="VideoDecoder.cpp" />
     <ClCompile Include="VirtualController.cpp" />
+    <ClCompile Include="VRC1.h" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
diff --git a/Core/Core.vcxproj.filters b/Core/Core.vcxproj.filters
index 7b313d1b..1f4950e6 100644
--- a/Core/Core.vcxproj.filters
+++ b/Core/Core.vcxproj.filters
@@ -376,5 +376,8 @@
     <ClCompile Include="AutoRomTest.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="VRC1.h">
+      <Filter>Header Files\Mappers</Filter>
+    </ClCompile>
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/Core/MapperFactory.cpp b/Core/MapperFactory.cpp
index e69ca3bb..775ce225 100644
--- a/Core/MapperFactory.cpp
+++ b/Core/MapperFactory.cpp
@@ -27,6 +27,7 @@
 #include "TaitoX1005.h"
 #include "UnlPci556.h"
 #include "UNROM.h"
+#include "VRC1.h"
 #include "VRC2_4.h"
 #include "BF909x.h"
 
@@ -64,6 +65,7 @@ BaseMapper* MapperFactory::GetMapperFromID(uint8_t mapperID)
 		case 66: return new GxRom();
 		case 70: return new Bandai74161_7432(false);
 		case 71: return new BF909x();
+		case 75: return new VRC1();
 		case 79: return new Nina03_06();
 		case 80: return new TaitoX1005();
 		case 87: return new JalecoJfxx(false);
diff --git a/Core/VRC1.h b/Core/VRC1.h
new file mode 100644
index 00000000..9e44c76b
--- /dev/null
+++ b/Core/VRC1.h
@@ -0,0 +1,60 @@
+#pragma once
+#include "stdafx.h"
+#include "BaseMapper.h"
+
+class VRC1 : public BaseMapper
+{
+private:
+	uint8_t _chrBanks[2];
+	
+	void UpdateChrBanks()
+	{
+		SelectCHRPage(0, _chrBanks[0]);
+		SelectCHRPage(1, _chrBanks[1]);
+	}
+
+protected:
+	virtual uint16_t GetPRGPageSize() { return 0x2000; }
+	virtual uint16_t GetCHRPageSize() { return 0x1000; }
+
+	void InitMapper()
+	{
+		SelectPRGPage(3, -1);
+	}
+
+	virtual void StreamState(bool saving)
+	{
+		BaseMapper::StreamState(saving);
+		StreamArray<uint8_t>(_chrBanks, 2);
+	}
+
+	void WriteRegister(uint16_t addr, uint8_t value)
+	{
+		switch(addr & 0xF000) {
+			case 0x8000: SelectPRGPage(0, value & 0x0F); break;
+			
+			case 0x9000:
+				if(GetMirroringType() != MirroringType::FourScreens) {
+					//"The mirroring bit is ignored if the cartridge is wired for 4-screen VRAM, as is typical for Vs. System games using the VRC1."
+					SetMirroringType((value & 0x01) == 0x01 ? MirroringType::Horizontal : MirroringType::Vertical);
+				}
+				_chrBanks[0] = (_chrBanks[0] & 0x0F) | ((value & 0x02) << 3);
+				_chrBanks[1] = (_chrBanks[1] & 0x0F) | ((value & 0x04) << 2);
+				UpdateChrBanks();
+				break;
+
+			case 0xA000: SelectPRGPage(1, value & 0x0F); break;
+			case 0xC000: SelectPRGPage(2, value & 0x0F); break;
+
+			case 0xE000:
+				_chrBanks[0] = (_chrBanks[0] & 0x10) | (value & 0x0F);
+				UpdateChrBanks();
+				break;
+
+			case 0xF000:
+				_chrBanks[1] = (_chrBanks[1] & 0x10) | (value & 0x0F);
+				UpdateChrBanks();
+				break;
+		}
+	}
+};
\ No newline at end of file