[EMAIL PROTECTED] wrote:
there's a realmode assembler in /n/sources/contrib/quanstro/realmode.tbz.
it does all addressing modes supported by x86 in 16bit mode.
8a already does all the 32bit stuff one would need.

I'd say that proves my point, in that a single assembler for both
families seems hard to put together.  Or should I look harder?

++L



Probably.

It has been a long while, but IIRC the MC 68008 / 16 / 32 path (width, not part numbers), or the later IBM/Motorola Power Series architecture were places where a degree of 'seamlessness' and auto-adaptation was sought across bit-width.

I don't recall how successful the efforts were, 'coz the impending cost of adding yet-another-fee-not-free assembler drove me to Ray Duncan's LMI forth around the time the 68000 and 6809 were new, and forth was a lot happier than asm-generated output in small memory. Reasonably self-documenting, too if you had a modicum of discipline in your style. And only if.

Bill



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