TI83 - add a system bus memory domains and support disassembling. You can now debug your math homework!

BizHawk.Emulation.Cores/Calculator/TI83.IMemoryDomains.cs

@@ -1,4 +1,6 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
+
 using BizHawk.Emulation.Common;
 
 namespace BizHawk.Emulation.Cores.Calculators
@@ -12,6 +14,22 @@ namespace BizHawk.Emulation.Cores.Calculators
 				MemoryDomain.FromByteArray("Main RAM", MemoryDomain.Endian.Little, ram)
 			};
 
+			var systemBusDomain = new MemoryDomain("System Bus", 0x10000, MemoryDomain.Endian.Little,
+				(addr) =>
+				{
+					if (addr < 0 || addr >= 65536)
+						throw new ArgumentOutOfRangeException();
+					return cpu.ReadMemory((ushort)addr);
+				},
+				(addr, value) =>
+				{
+					if (addr < 0 || addr >= 65536)
+						throw new ArgumentOutOfRangeException();
+					cpu.WriteMemory((ushort)addr, value);
+				});
+
+			domains.Add(systemBusDomain);
+
 			_memoryDomains = new MemoryDomainList(domains);
 			(ServiceProvider as BasicServiceProvider).Register<IMemoryDomains>(_memoryDomains);
 		}

BizHawk.Emulation.Cores/Calculator/TI83.cs

@@ -78,6 +78,7 @@ namespace BizHawk.Emulation.Cores.Calculators
 			HardReset();
 			SetupMemoryDomains();
 			(ServiceProvider as BasicServiceProvider).Register<IVideoProvider>(new MyVideoProvider(this));
+			(ServiceProvider as BasicServiceProvider).Register<IDisassemblable>(new Disassembler());
 		}
 
 		public IEmulatorServiceProvider ServiceProvider { get; private set; }