diff --git a/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/MMC3_family/Mapper195.cs b/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/MMC3_family/Mapper195.cs
index 3e50e56e83..3f026c9729 100644
--- a/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/MMC3_family/Mapper195.cs
+++ b/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/MMC3_family/Mapper195.cs
@@ -1,38 +1,57 @@
-namespace BizHawk.Emulation.Cores.Nintendo.NES
-{
-	public sealed class Mapper195 : MMC3Board_Base
-	{
-		public override bool Configure(NES.EDetectionOrigin origin)
-		{
-			switch (Cart.board_type)
-			{
-				case "MAPPER195":
-					break;
-				default:
-					return false;
-			}
-
-			BaseSetup();
-			return true;
-		}
-
-		public override byte ReadEXP(int addr)
-		{
-			if (addr < 0x1000)
-			{
-				return ROM[(2 << 0x1000) + (addr & 0xFFF)];
-			}
-
-			return base.ReadEXP(addr);
-		}
-
-		public override void WritePRG(int addr, byte value)
-		{
-			base.WritePRG(addr, value);
-		}
-
-		public override byte ReadPPU(int addr)
-		{
+using System;
+
+namespace BizHawk.Emulation.Cores.Nintendo.NES
+{
+	public sealed class Mapper195 : MMC3Board_Base
+	{
+		public override bool Configure(NES.EDetectionOrigin origin)
+		{
+			switch (Cart.board_type)
+			{
+				case "MAPPER195":
+					break;
+				default:
+					return false;
+			}
+			
+			BaseSetup();
+			return true;
+		}
+
+		public override byte ReadEXP(int addr)
+		{
+			if (addr >= 0x1000)
+			{
+				return WRAM[addr-0x1000];
+			}
+
+			return base.ReadEXP(addr);
+		}
+
+		public override void WriteEXP(int addr, byte value)
+		{
+			if (addr >= 0x1000)
+			{
+				WRAM[addr - 0x1000] = value;
+			}
+			
+			base.WriteEXP(addr, value);
+		}
+
+		public override void WriteWRAM(int addr, byte value)
+		{
+			if (!mmc3.wram_enable || mmc3.wram_write_protect) return;
+			base.WriteWRAM(addr+0x1000, value);
+		}
+
+		public override byte ReadWRAM(int addr)
+		{
+			if (!mmc3.wram_enable) return NES.DB;
+			return base.ReadWRAM(addr+0x1000);
+		}
+
+		public override byte ReadPPU(int addr)
+		{
 			if (addr < 0x2000)
 			{
 				int bank_1k = Get_CHRBank_1K(addr);
@@ -48,11 +67,11 @@
 				}
 			}
 			else
-				return base.ReadPPU(addr);
-		}
-
-		public override void WritePPU(int addr, byte value)
-		{
+				return base.ReadPPU(addr);
+		}
+
+		public override void WritePPU(int addr, byte value)
+		{
 			if (addr < 0x2000)
 			{
 				int bank_1k = Get_CHRBank_1K(addr);
@@ -67,7 +86,7 @@
 				}
 			}
 			else 
-				base.WritePPU(addr, value);
-		}
-	}
-}
+				base.WritePPU(addr, value);
+		}
+	}
+}