diff --git a/BizHawk.Emulation.Cores/BizHawk.Emulation.Cores.csproj b/BizHawk.Emulation.Cores/BizHawk.Emulation.Cores.csproj
index 0aec21131d..c7dff568f1 100644
--- a/BizHawk.Emulation.Cores/BizHawk.Emulation.Cores.csproj
+++ b/BizHawk.Emulation.Cores/BizHawk.Emulation.Cores.csproj
@@ -774,6 +774,7 @@
+
diff --git a/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/UNIF/UNIF_UNL-KS7012.cs b/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/UNIF/UNIF_UNL-KS7012.cs
new file mode 100644
index 0000000000..6e2dac3f15
--- /dev/null
+++ b/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/UNIF/UNIF_UNL-KS7012.cs
@@ -0,0 +1,60 @@
+using BizHawk.Common;
+
+namespace BizHawk.Emulation.Cores.Nintendo.NES
+{
+ public class UNIF_UNL_KS7012 : NES.NESBoardBase
+ {
+ private int reg;
+ private byte[] wram = new byte[8192];
+ public override bool Configure(NES.EDetectionOrigin origin)
+ {
+ switch (Cart.board_type)
+ {
+ case "UNIF_UNL-KS7012":
+ break;
+ default:
+ return false;
+ }
+
+ reg = 0xFF;
+
+ SetMirrorType(Cart.pad_h, Cart.pad_v);
+ return true;
+ }
+
+ public override void SyncState(Serializer ser)
+ {
+ ser.Sync("reg", ref reg);
+ base.SyncState(ser);
+ }
+
+ public override void WritePRG(int addr, byte value)
+ {
+ addr += 0x8000;
+ switch (addr)
+ {
+ case 0xE0A0:
+ reg = 0; break;
+ case 0xEE36:
+ reg = 1; break;
+ }
+ }
+
+ public override byte ReadWRAM(int addr)
+ {
+ return wram[addr];
+ //int offset = ROM.Length - 0x2000;
+ //return ROM[offset + addr];
+ }
+
+ public override void WriteWRAM(int addr, byte value)
+ {
+ wram[addr] = value;
+ }
+
+ public override byte ReadPRG(int addr)
+ {
+ return ROM[((reg & 1) << 15) + addr];
+ }
+ }
+}