Hello Ed.

>>   In fact, you can make a macro assembler assemble code for a totally
>> different type of chip!  A macro assembler can even be written (and
>> probably frequently is) for no chip in particular, using "include"
>> modules loaded by the "CPUTYPE" macro to customise for a given
>> device.

> Yes, most of my reusable code modules have macros with lots of "ifdef"
> statements that change the macro for different processor types.  For
> example, some processors have 2 RAM banks and others 4, and the
> "ifdef" statement is used in the macro for ensuring the correct bank
> bits are set for the current processor.

  Not quite what I meant.  I was referring to the potential to use MPASM
to assemble 68HC11 code, or a generic macro processor to assemble for
Z-80, 6800 or PIC code.
--
  Cheers,
        Paul B.