wire up memory execute callbacks to SMS and TI83

BizHawk.Emulation.Cores/CPUs/Z80/Execute.cs

@@ -46,7 +46,14 @@ namespace BizHawk.Emulation.Cores.Components.Z80
 				{
 
 					if (Debug)
+					{
 						Logger(State());
+					}
+
+					if (MemoryCallbacks != null)
+					{
+						MemoryCallbacks.CallExecutes(RegPC.Word);
+					}
 
 					++RegR;
 					switch (ReadMemory(RegPC.Word++))

BizHawk.Emulation.Cores/CPUs/Z80/Z80A.cs

@@ -1,7 +1,9 @@
 using System;
 using System.Globalization;
 using System.IO;
+
 using BizHawk.Common;
+using BizHawk.Emulation.Common;
 
 // This Z80 emulator is a modified version of Ben Ryves 'Brazil' emulator.
 // It is MIT licensed.
@@ -36,6 +38,8 @@ namespace BizHawk.Emulation.Cores.Components.Z80
 		public Func<ushort, byte> ReadMemory;
 		public Action<ushort, byte> WriteMemory;
 
+		public IMemoryCallbackSystem MemoryCallbacks { get; set; }
+
 		// Utility function, not used by core
 		public ushort ReadWord(ushort addr)
 		{

BizHawk.Emulation.Cores/Calculator/TI83.cs

@@ -64,6 +64,7 @@ namespace BizHawk.Emulation.Cores.Calculators
 			cpu.WriteHardware = WriteHardware;
 			cpu.IRQCallback = IRQCallback;
 			cpu.NMICallback = NMICallback;
+			cpu.MemoryCallbacks = MemoryCallbacks;
 
 			this.rom = rom;
 			LinkPort = new TI83LinkPort(this);

BizHawk.Emulation.Cores/Consoles/Sega/SMS/SMS.cs

@@ -143,6 +143,7 @@ namespace BizHawk.Emulation.Cores.Sega.MasterSystem
 			Cpu.RegisterSP = 0xDFF0;
 			Cpu.ReadHardware = ReadPort;
 			Cpu.WriteHardware = WritePort;
+			Cpu.MemoryCallbacks = MemoryCallbacks;
 
 			Vdp = new VDP(this, Cpu, IsGameGear ? VdpMode.GameGear : VdpMode.SMS, DisplayType);
 			(ServiceProvider as BasicServiceProvider).Register<IVideoProvider>(Vdp);