Use in Macro Definitions

I need to define macros that contains inline assembly. I have used the solution explained in this link:

http://www.keil.com/support/man/docs/c166/c166_le_extmacros.htm

however, this doesn't work using the uvision 2 compiler. Also we have problem with the stringize operator regarding immediate addressing. Does anyone had suffered the same problem? Any help is appreciated.
Thanks in advance.

Regards

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