[Info-vax] Chinese Alpha?
David Weatherall
nospam at nowheren.no.how
Sat May 5 02:14:23 EDT 2012
glen herrmannsfeldt wrote:
> JF Mezei <jfmezei.spamnot at vaxination.ca> wrote:
>
> (snip)
>
> > 8086 started off 16 bits, was upgraded to 32 bits and later 64.
>
> Actually, the 8086 is the 16 bit extension of the 8080.
>
> The registers and instruction set were carefully designed to make
> it easy to port 8080 code with minimal rewriting.
>
> Some consider the 8080 as an extension of the 4004 or 4040, but
> that might be stretching it too far.
>
> -- glen
I've always thought the success of the 8086 owes more to the Z80 than
the 8080 alone. A I've always argued that the Zilog saved Intel by
giving it a 'platform'/user base for the the 8086/8. I must turn my
Rainbow on...
Cheers - Dave
--
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