[TUHS] Zilog Z80 Unix
Bakul Shah
bakul at bitblocks.com
Thu Apr 20 13:09:13 AEST 2017
On Wed, 19 Apr 2017 18:42:42 PDT "Erik E. Fair" <fair-tuhs at netbsd.org> wrote:
> I have a memory of having seen a Zilog Z-80 (not Z8002 like the Onyx) based =
> Unix, possibly v6, at a vendor show or conference - perhaps the West Coast =
> Computer Faire (WCCF) in the late 1970s or early 1980s.
>
> I recall asking the people in the booth how they managed without an MMU, and
> don't recall their answer. I do remember thinking that since Unix had "grown
> up" with MMUs to stomp on obvious pointer mistakes, the software ought to be
> relatively well-behaved ... you know: not trying to play "core war" with =
> itself?
>
> I searched the TUHS archives cursorily with Google to see if this has been
> previously mentioned, but pretty much all Z80 CPU references have for its use
> in "smart" I/O devices back in the day.
>
> Does anyone else remember this Z80 Unix and who did it? Or maybe that it was
> a clone of some kind ... ?
>
> looking for a little history,
>
> Erik Fair
You may be thinking of Cromemco.
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