diff --git a/BizHawk.Emulation.Cores/BizHawk.Emulation.Cores.csproj b/BizHawk.Emulation.Cores/BizHawk.Emulation.Cores.csproj
index be60843cc4..1125f1bb5e 100644
--- a/BizHawk.Emulation.Cores/BizHawk.Emulation.Cores.csproj
+++ b/BizHawk.Emulation.Cores/BizHawk.Emulation.Cores.csproj
@@ -681,6 +681,7 @@
+
diff --git a/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/UNIF/UNIF-DREAMTECH01.cs b/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/UNIF/UNIF-DREAMTECH01.cs
new file mode 100644
index 0000000000..bf642a252c
--- /dev/null
+++ b/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/UNIF/UNIF-DREAMTECH01.cs
@@ -0,0 +1,43 @@
+using BizHawk.Common;
+
+namespace BizHawk.Emulation.Cores.Nintendo.NES
+{
+ public class UNIF_DREAMTECH01 : NES.NESBoardBase
+ {
+ // Korean Igo (Unl) [U][!]
+ private int reg;
+
+ public override bool Configure(NES.EDetectionOrigin origin)
+ {
+ switch (Cart.board_type)
+ {
+ case "UNIF_DREAMTECH01":
+ break;
+ default:
+ return false;
+ }
+
+ return true;
+ }
+
+ public override void SyncState(Serializer ser)
+ {
+ ser.Sync("reg", ref reg);
+ base.SyncState(ser);
+ }
+
+ public override void WriteEXP(int addr, byte value)
+ {
+ if (addr == 0x1020)
+ {
+ reg = value & 0x07;
+ }
+ }
+
+ public override byte ReadPRG(int addr)
+ {
+ int bank = addr < 0x4000 ? reg : 8;
+ return ROM[(bank << 14) + (addr & 0x3FFF)];
+ }
+ }
+}