Added README file

README.txt

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+
+    This port consists of the following:
+    0) All places where I modified the original code
+    (hopefully) are marked with my initials PFS or pfs.
+    The only actual code changes were to write four
+    functions to replace the intrinsic functions used
+    by TI and IAR.
+    1) bluerobin code had to be elimiated because
+    mspgcc cannot link to the provided bluerobin library
+    and the source code is not available.
+    2) four intrinsic functions had to be written.
+    As of 2010-06-13 they are untested and couple of
+    them probably don't work yet.
+    3) All compiler specific areas what accommodated
+    IAR and CCS were enhanced to accommodate MSPgcc4
+    4) The Simpliciti *.dat files were converted to *.h files
+	5) Many of the TI source code hmave 
+	#include <intrinsics.h>  Therefore the intrinsics.h 
+	included in this project will need to be placed in a 
+	system directory; e.g., in 
+	MSPGCC4\lib\gcc\msp430\4.4.3\include mspgcc4/msp430/include
+