diff --git a/BizHawk.Emulation.Cores/BizHawk.Emulation.Cores.csproj b/BizHawk.Emulation.Cores/BizHawk.Emulation.Cores.csproj
index 336bb0e95b..6de6939ee3 100644
--- a/BizHawk.Emulation.Cores/BizHawk.Emulation.Cores.csproj
+++ b/BizHawk.Emulation.Cores/BizHawk.Emulation.Cores.csproj
@@ -521,6 +521,7 @@
     <Compile Include="Consoles\Nintendo\NES\Boards\Mapper042.cs" />
     <Compile Include="Consoles\Nintendo\NES\Boards\Mapper045.cs" />
     <Compile Include="Consoles\Nintendo\NES\Boards\Mapper051.cs" />
+    <Compile Include="Consoles\Nintendo\NES\Boards\Mapper053.cs" />
     <Compile Include="Consoles\Nintendo\NES\Boards\Mapper057.cs" />
     <Compile Include="Consoles\Nintendo\NES\Boards\Mapper058.cs" />
     <Compile Include="Consoles\Nintendo\NES\Boards\Mapper069.cs" />
diff --git a/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/Mapper053.cs b/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/Mapper053.cs
new file mode 100644
index 0000000000..52a5d177b6
--- /dev/null
+++ b/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/Mapper053.cs
@@ -0,0 +1,84 @@
+using BizHawk.Common;
+using BizHawk.Common.NumberExtensions;
+
+namespace BizHawk.Emulation.Cores.Nintendo.NES
+{
+	public sealed class Mapper053 : NES.NESBoardBase
+	{
+		private byte _reg0;
+		private byte _reg1;
+
+		private bool Prg16kMode { get { return _reg0.Bit(4); } }
+
+		public override bool Configure(NES.EDetectionOrigin origin)
+		{
+			switch (Cart.board_type)
+			{
+				case "MAPPER053":
+					break;
+				// TODO
+				//case "UNIF_BMC-Supervision16in1":
+				//	break;
+				default:
+					return false;
+			}
+
+			SetMirrorType(Cart.pad_h, Cart.pad_v);
+
+			return true;
+		}
+
+		public override void SyncState(Serializer ser)
+		{
+			base.SyncState(ser);
+			ser.Sync("reg0", ref _reg0);
+			ser.Sync("reg1", ref _reg1);
+		}
+
+		private void SetMirroring()
+		{
+			bool mir = _reg0.Bit(5);
+			SetMirrorType(mir ? EMirrorType.Horizontal : EMirrorType.Vertical);
+        }
+
+		public override void WriteWRAM(int addr, byte value)
+		{
+			if (!_reg0.Bit(4))
+			{
+				_reg0 = value;
+				SetMirroring();
+			}
+			else
+			{
+				base.WriteWRAM(addr, value);
+			}
+		}
+
+		public override void WritePRG(int addr, byte value)
+		{
+			_reg1 = value;
+		}
+
+		public override byte ReadPRG(int addr)
+		{
+			if (Prg16kMode)
+			{
+				// First 32kb of PRG is for the intro game picker, 2 is to offset that
+				int bank = addr < 0x4000
+					? (((_reg0 & 0xF) << 3) | (_reg1 & 7)) + 2
+					: (((_reg0 & 0xF) << 3) | 7) + 2;
+
+				return ROM[(bank * 0x4000) + (addr & 0x3FFF)];
+			}
+
+			return base.ReadPRG(addr);
+		}
+
+		public override byte ReadWRAM(int addr)
+		{
+			// First 32kb of PRG is for the intro game picker, 4 is to offset that
+			int bank = (((_reg0 & 0xF) << 4) | 0xF) + 4;
+			return ROM[(bank * 0x2000) + (addr & 0x1FFF)];
+		}
+	}
+}