More lua functions.

BizHawk.MultiClient/LuaImplementation.cs

@@ -12,10 +12,17 @@ namespace BizHawk.MultiClient
     {
         Lua lua = new Lua();
         LuaWindow Caller;
+        public static string[] MemoryFunctions = new string[] {
+            "readbyte",
+            "writebyte"};           
         public LuaImplementation(LuaWindow passed)
         {
             Caller = passed.get();
             lua.RegisterFunction("print",this, this.GetType().GetMethod("print"));
+            for (int i = 0; i < MemoryFunctions.Length; i++)
+            {
+                lua.RegisterFunction(MemoryFunctions[i], this, this.GetType().GetMethod(MemoryFunctions[i]));
+            }
         }
         public void DoLuaFile(string File)
         {
@@ -23,7 +30,28 @@ namespace BizHawk.MultiClient
         }
         public void print(string s)
         {
-            Caller.AddText(s);
+            Caller.AddText(string.Format(s));
+        }
+        public string readbyte(object lua_input)
+        {
+            
+            byte x;
+            if (lua_input.GetType() == typeof(string))
+            {
+                x = Global.Emulator.MainMemory.PeekByte(int.Parse((string)lua_input));
+                return x.ToString();
+            }
+            else
+            {
+                double y = (double)lua_input;             
+                x = Global.Emulator.MainMemory.PeekByte(Convert.ToInt32(y));
+                return x.ToString();
+            }
+             
+        }
+        public void writebyte(object lua_input)
+        {            
+            Global.Emulator.MainMemory.PokeByte((int)lua_input, (byte)lua_input);
         }
     }
 }

BizHawk.MultiClient/tools/LuaWindow.cs

@@ -26,7 +26,7 @@ namespace BizHawk.MultiClient.tools
         {
             OpenFileDialog fdlg = new OpenFileDialog();
             fdlg.Title = "Open Lua Script";
-            fdlg.InitialDirectory = @"c:\"; //Switch this to a better default directory
+            fdlg.InitialDirectory = @".\"; //Switch this to a better default directory
             fdlg.Filter = "Lua files (*.lua)|*.lua|All files (*.*)|*.*";
             fdlg.FilterIndex = 1;
             fdlg.RestoreDirectory = true;