Hi Terrance,
Sorry to report but the short answer is no.
The problem was that the debugger would not 'connect' to assembly language files. One could see the disassembled code but the link to the actual source (and of course the comments and variable / label names) was broken. I worked around this by keeping the source open in an external editor and manually matching up the source with the disassembly. Not the best but I was able to get the assembly code working and then coded the remainder of the application in c. I never had the problem debugging c language files.
There was a comment from JohnS of TI back in August of 2012 that this was a known problem and would be corrected in the V5.3.0 release. I seem to recall sending in a project for them to test. I see that the MSP430 of CCS is at v6, so I would hope that it was fixed by now.
James