Intel 8085 - interview?

Chuck Guzis cclist at
Fri Feb 9 11:23:51 CST 2018

On 02/09/2018 05:22 AM, allison via cctalk wrote:

> Also all of the competitors and second sources that made 8085s had the
> added instructions.  The are indeed handy too.

Calmos (then later Tundra) Semiconductor actually documents them in
detail in their CA80C85 datasheet, but those were from the early 1980s.
What was interesting was that even through we were working pretty
tightly with Intel in 1976, not a word of the added instructions was
uttered by our sales guy, "Fast Eddie", who usually was pretty well
informed about the goings on over in Santa Clara.   Bill Davidow was on
our BOD as well.

That's a shame; we could have used those instructions too.


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