From: Carlos Murillo <cmurillo(a)emtelsa.multi.net.co>
At 11:07 PM 9/30/01 -0600, you wrote:
>8085, at least, doesn't require three supplies. I don't know why they
>all those pins on things like the pseudo-serial I/O
and all those
>Hardly anyone ever figured out how to use them
well. It would have
>sensible to put the 8 address lines there and save
the external latch
strobe for it.
Those irq's are exactly why I liked the 8085. Extremely simple
to use. Appropriate for early embedded stuff.
that is the exact reason why the 8085 was successful. As to the comment
about the SIO/SID pins they were used by the TU58 for serial data and
very hand for when a few bits of IO were needed for simple things.