diff --git a/BizHawk.Emulation.Cores/BizHawk.Emulation.Cores.csproj b/BizHawk.Emulation.Cores/BizHawk.Emulation.Cores.csproj
index 70810ba034..ee0a4d18ce 100644
--- a/BizHawk.Emulation.Cores/BizHawk.Emulation.Cores.csproj
+++ b/BizHawk.Emulation.Cores/BizHawk.Emulation.Cores.csproj
@@ -782,6 +782,7 @@
+
diff --git a/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/UNIF/UNIF_UNL-LH10.cs b/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/UNIF/UNIF_UNL-LH10.cs
new file mode 100644
index 0000000000..6532427d7f
--- /dev/null
+++ b/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/UNIF/UNIF_UNL-LH10.cs
@@ -0,0 +1,91 @@
+using BizHawk.Common;
+
+namespace BizHawk.Emulation.Cores.Nintendo.NES
+{
+ public sealed class UNIF_UNL_LH10 : NES.NESBoardBase
+ {
+ private ByteBuffer reg = new ByteBuffer(8);
+ private int cmd;
+
+ private int prg_bank_mask_8;
+
+ public override bool Configure(NES.EDetectionOrigin origin)
+ {
+ //configure
+ switch (Cart.board_type)
+ {
+ case "UNIF_UNL-LH10":
+ NES._isVS = true;
+ break;
+ default:
+ return false;
+ }
+
+ prg_bank_mask_8 = Cart.prg_size / 8 - 1;
+
+ //SetMirrorType(Cart.pad_h, Cart.pad_v);
+ SetMirrorType(EMirrorType.Vertical);
+ return true;
+ }
+
+ public override void Dispose()
+ {
+ reg.Dispose();
+ base.Dispose();
+ }
+
+ public override void SyncState(Serializer ser)
+ {
+ ser.Sync("reg", ref reg);
+ ser.Sync("cmd", ref cmd);
+ base.SyncState(ser);
+ }
+
+ public override void WritePRG(int addr, byte value)
+ {
+ addr += 0x8000;
+ if (addr < 0xC000 || addr >= 0xE000)
+ {
+ switch (addr & 0xE001)
+ {
+ case 0x8000: cmd = value & 7; break;
+ case 0x8001: reg[cmd] = value; break;
+ }
+ }
+ }
+
+ public override byte ReadWRAM(int addr)
+ {
+ return ROM[ROM.Length - 0x4000 + addr];
+ }
+
+ public override byte ReadPRG(int addr)
+ {
+ int bank = 0;
+ if (addr < 0x2000)
+ {
+ bank = reg[6];
+ }
+ else if (addr < 0x4000)
+ {
+ bank = reg[7];
+ }
+ else if (addr < 0x6000)
+ {
+ bank = 4;
+ }
+ else
+ {
+ bank = 0xFF;
+ }
+
+ bank &= prg_bank_mask_8;
+ return ROM[(bank << 13) + (addr & 0x1FFF)];
+ }
+
+ public override byte ReadPPU(int addr)
+ {
+ return base.ReadPPU(addr);
+ }
+ }
+}