Added README file with compilation instructions.

README

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+MSPDebug
+========
+
+MSPDebug is a free debugger for use with MSP430 MCUs. It supports
+FET430UIF, eZ430, RF2500 and Olimex MSP-JTAG-TINY programmers. It can be
+used as a proxy for gdb or as an independent debugger with support for
+programming, disassembly and reverse engineering.
+
+Features
+--------
+
+  * Userspace only: no kernel modifications required.
+  * Works with RF2500, eZ430, FET430UIF, Launchpad and Olimex MSP-JTAG-TINY
+    programmers. Also supports the TI flash bootloader.
+  * Can act as a GDB remote stub (replacement for msp430-gdbproxy)
+    and/or a GDB client.
+  * Can single-step, program, run to breakpoint and inspect memory on
+    supported devices.
+  * Can be used to access the FET430UIF bootloader.
+  * Supports Intel HEX, ELF32, BSD symbol table, COFF, TI Text and
+    SREC file formats.
+  * Can disassemble code in memory, including translating addresses to
+    symbols.
+  * Includes reverse-engineering features such as instruction search,
+    call-graph analysis and symbol table editing.
+  * Simulation mode allows execution of MSP430 code without hardware.
+
+Compiling from source
+---------------------
+
+Ensure that you have the necessary packages to compile programs that use
+libusb (on Debian or Ubuntu systems, you might need to do apt-get
+install libusb-dev). After that, unpack and compile the source code
+with:
+
+    tar xvfz mspdebug-version.tar.gz
+    cd mspdebug-version
+    make
+
+If you don't want GNU readline support, you can invoke make with:
+
+    make WITHOUT_READLINE=1
+
+After compiling, install the binary and manual page by running (as
+root):
+
+    make install
+
+Type "mspdebug --help" for usage instructions.