--- snes9x-1.51-src-orig/debug.cpp	2012-01-31 01:35:57 +0900
+++ snes9x-1.51-src/debug.cpp	2012-01-31 02:15:49 +0900
@@ -199,6 +199,11 @@
     {
 	uint8 Bank;
 	uint16 Address;
+    } Write;
+    struct
+    {
+	uint8 Bank;
+	uint16 Address;
     } Unassemble;
 } Debug =
 {
@@ -207,6 +212,9 @@
     },
     {
 	0, 0
+    },
+    {
+	0, 0
     }
 };
 char *HelpMessage[] = {
@@ -1664,6 +1672,39 @@
 	Debug.Dump.Address = Address;
 	CPU.Cycles = Cycles;
     }
+    if (*Line == '>')
+    {
+	int32 Cycles = CPU.Cycles;
+	uint32 ValueToWrite;
+	int LineIndex;
+
+	Bank = Debug.Write.Bank;
+	Address = Debug.Write.Address;
+	ErrorCode = GetStartAddress (Line, &Bank, &Address);
+	LineIndex = 1;
+	if (ErrorCode > 0)
+	{
+	    LineIndex += 9;
+	}
+	while (sscanf(Line + LineIndex, " $%x", &ValueToWrite) == 1)
+	{
+	    LineIndex += 4;
+	    S9xSetByte (ValueToWrite, (Bank << 16) + Address);
+	    if (Address == 0xFFFF)
+	    {
+		Bank = Bank+1;
+		Address = 0;
+	    }
+	    else
+	    {
+		Bank = Bank;
+		Address = Address+1;
+	    }
+	}
+	Debug.Write.Bank = Bank;
+	Debug.Write.Address = Address;
+	CPU.Cycles = Cycles;
+    }
 
     if (*Line == 'q')
 	S9xExit ();