diff --git a/ExternalCoreProjects/Virtu/Cpu.cs b/ExternalCoreProjects/Virtu/Cpu.cs
index 6443522422..fc25fc43eb 100644
--- a/ExternalCoreProjects/Virtu/Cpu.cs
+++ b/ExternalCoreProjects/Virtu/Cpu.cs
@@ -8,9 +8,18 @@ namespace Jellyfish.Virtu
 {
 	public sealed partial class Cpu : MachineComponent
 	{
-		public Cpu() { }
+		public Cpu()
+		{
+			InitializeOpCodeDelegates();
+		}
+
 		public Cpu(Machine machine) :
 			base(machine)
+		{
+			InitializeOpCodeDelegates();
+		}
+
+		private void InitializeOpCodeDelegates()
 		{
 			ExecuteOpCode65N02 = new Action[OpCodeCount]
             {
@@ -3434,7 +3443,6 @@ namespace Jellyfish.Virtu
 		}
 		#endregion
 
-		[JsonIgnore]
 		public bool Is65C02 { get { return _is65C02; } set { _is65C02 = value; _executeOpCode = _is65C02 ? ExecuteOpCode65C02 : ExecuteOpCode65N02; } }
 		public bool IsThrottled { get; set; }
 		public int Multiplier { get; set; }
@@ -3452,7 +3460,9 @@ namespace Jellyfish.Virtu
 
 		private Memory _memory;
 
+		[JsonIgnore]
 		private bool _is65C02;
+		[JsonIgnore]
 		private Action[] _executeOpCode;
 
 		[JsonIgnore]
diff --git a/ExternalCoreProjects/Virtu/CpuData.cs b/ExternalCoreProjects/Virtu/CpuData.cs
index e21859092c..9fc4bdb615 100644
--- a/ExternalCoreProjects/Virtu/CpuData.cs
+++ b/ExternalCoreProjects/Virtu/CpuData.cs
@@ -1,4 +1,5 @@
-using System;
+using Newtonsoft.Json;
+using System;
 
 namespace Jellyfish.Virtu
 {
@@ -6,7 +7,9 @@ namespace Jellyfish.Virtu
     {
         private const int OpCodeCount = 256;
 
+        [JsonIgnore]
         private Action[] ExecuteOpCode65N02;
+        [JsonIgnore]
         private Action[] ExecuteOpCode65C02;
 
         private const int PC = 0x01;
diff --git a/ExternalCoreProjects/Virtu/Memory.cs b/ExternalCoreProjects/Virtu/Memory.cs
index 13a299c799..737ea48af3 100644
--- a/ExternalCoreProjects/Virtu/Memory.cs
+++ b/ExternalCoreProjects/Virtu/Memory.cs
@@ -13,11 +13,20 @@ namespace Jellyfish.Virtu
 
 	public sealed partial class Memory : MachineComponent
 	{
-		public Memory() { }
+		public Memory()
+		{
+			InitializeWriteDelegates();
+		}
+
 		public Memory(Machine machine, byte[] appleIIe) :
 			base(machine)
 		{
 			_appleIIe = appleIIe;
+			InitializeWriteDelegates();
+		}
+
+		private void InitializeWriteDelegates()
+		{
 			WriteRamModeBankRegion = new Action<int, byte>[Video.ModeCount][][];
 			for (int mode = 0; mode < Video.ModeCount; mode++)
 			{
@@ -26,7 +35,6 @@ namespace Jellyfish.Virtu
 					new Action<int, byte>[RegionCount], new Action<int, byte>[RegionCount]
 				};
 			}
-
 			WriteRamModeBankRegion[Video.Mode0][BankMain][Region0407] = WriteRamMode0MainRegion0407;
 			WriteRamModeBankRegion[Video.Mode0][BankMain][Region080B] = WriteRamMode0MainRegion080B;
 			WriteRamModeBankRegion[Video.Mode1][BankMain][Region0407] = WriteRamMode1MainRegion0407;
@@ -2133,10 +2141,15 @@ namespace Jellyfish.Virtu
 		public MonitorType Monitor { get; private set; }
 		public int VideoMode { get { return StateVideoMode[_state & StateVideo]; } }
 
+		[JsonIgnore]
 		private Action<int, byte> _writeIoRegionC0C0;
+		[JsonIgnore]
 		private Action<int, byte> _writeIoRegionC1C7;
+		[JsonIgnore]
 		private Action<int, byte> _writeIoRegionC3C3;
+		[JsonIgnore]
 		private Action<int, byte> _writeIoRegionC8CF;
+		[JsonIgnore]
 		private Action<int, byte> _writeRomRegionD0FF;
 
 		[JsonIgnore]
diff --git a/ExternalCoreProjects/Virtu/MemoryData.cs b/ExternalCoreProjects/Virtu/MemoryData.cs
index 3de7adf037..e8148a563d 100644
--- a/ExternalCoreProjects/Virtu/MemoryData.cs
+++ b/ExternalCoreProjects/Virtu/MemoryData.cs
@@ -1,4 +1,5 @@
-using System;
+using Newtonsoft.Json;
+using System;
 
 namespace Jellyfish.Virtu
 {
@@ -101,6 +102,7 @@ namespace Jellyfish.Virtu
             Video.ModeC, Video.ModeD, Video.Mode1, Video.Mode2, Video.ModeE, Video.ModeF, Video.Mode1, Video.Mode2
         };
 
+        [JsonIgnore]
         private Action<int, byte>[][][] WriteRamModeBankRegion;
     }
 }
diff --git a/References/Virtu.dll b/References/Virtu.dll
index b164b2dc13..3957bd6435 100644
Binary files a/References/Virtu.dll and b/References/Virtu.dll differ