Predefined symbols in C51

Where can I find a list of predefined symbols for C51? I'm trying to write a set of portable library routines and I can't figure out how to tell that the file is being compiled by C51.. So I can do...
Predefined symbols in C51

Where can I find a list of predefined symbols for C51? I'm trying to write a set of portable library routines and I can't figure out how to tell that the file is being compiled by C51.. So I can do...
Predefined symbols are not defined.

I am trying to use predefined symbols such as __OPTIMISE_LEVEL, __TARGET_ARCH_ARM, __TARGET_ARCH_THUMB on the evaluation version of the MDK and I find that they are not defined. I tried to list all the...
Predefined symbols are not defined.

I am trying to use predefined symbols such as __OPTIMISE_LEVEL, __TARGET_ARCH_ARM, __TARGET_ARCH_THUMB on the evaluation version of the MDK and I find that they are not defined. I tried to list all the...
Predefined Macro

Hi Can i change the Macro __DATE2__ to show the date as (yy-mm-dd)? /Ingo