diff --git a/debug/org.eclipse.cdt.debug.mi.core/src/org/eclipse/cdt/debug/mi/core/command/MIDataWriteMemory.java b/debug/org.eclipse.cdt.debug.mi.core/src/org/eclipse/cdt/debug/mi/core/command/MIDataWriteMemory.java
new file mode 100644
index 00000000000..316af46e1b8
--- /dev/null
+++ b/debug/org.eclipse.cdt.debug.mi.core/src/org/eclipse/cdt/debug/mi/core/command/MIDataWriteMemory.java
@@ -0,0 +1,93 @@
+/*
+ *(c) Copyright QNX Software Systems Ltd. 2002.
+ * All Rights Reserved.
+ * 
+ */
+
+package org.eclipse.cdt.debug.mi.core.command;
+
+import org.eclipse.cdt.debug.mi.core.MIFormat;
+
+/**
+ * 
+ *    -data-write-memory [-o COLUMN_OFFSET] ADDR FORMAT WORD-SIZE VALUE.");
+ *
+ * where:
+ * 
+ * DATA-MEMORY-WRITE:
+ *
+ *   COLUMN_OFFSET: optional argument. Must be preceeded by '-o'. The
+ *   offset from the beginning of the memory grid row where the cell to
+ *   be written is.
+ *   ADDR: start address of the row in the memory grid where the memory
+ *   cell is, if OFFSET_COLUMN is specified. Otherwise, the address of
+ *   the location to write to.
+ *   FORMAT: a char indicating format for the ``word''. See 
+ *   the ``x'' command.
+ *   WORD_SIZE: size of each ``word''; 1,2,4, or 8 bytes
+ *   VALUE: value to be written into the memory address.
+ *
+ *   Writes VALUE into ADDR + (COLUMN_OFFSET * WORD_SIZE).
+ *
+ *  Prints nothing.
+ *
+ */
+public class MIDataWriteMemory extends MICommand {
+
+	public MIDataWriteMemory(long offset, String address, int wordFormat, int wordSize,
+		String value) {
+
+		super ("-data-write-memory");
+
+		if (offset != 0) {
+			setOptions(new String[] { "-o", Long.toString(offset)});
+		}
+
+		String format = "x";
+		switch (wordFormat) {
+			case MIFormat.UNSIGNED :
+				format = "u";
+				break;
+
+			case MIFormat.FLOAT :
+				format = "f";
+				break;
+
+			case MIFormat.ADDRESS :
+				format = "a";
+				break;
+
+			case MIFormat.INSTRUCTION :
+				format = "i";
+				break;
+
+			case MIFormat.CHAR :
+				format = "c";
+				break;
+
+			case MIFormat.STRING :
+				format = "s";
+				break;
+
+			case MIFormat.DECIMAL :
+				format = "d";
+				break;
+
+			case MIFormat.BINARY :
+				format = "t";
+				break;
+
+			case MIFormat.OCTAL :
+				format = "o";
+				break;
+
+			case MIFormat.HEXADECIMAL :
+			default :
+				format = "x";
+				break;
+		}
+
+		setParameters(new String[] {address, format, Integer.toString(wordSize), value});
+	}
+
+}