8085 IO ports

Adrian Graham witchy at binarydinosaurs.co.uk
Sat Jan 21 17:57:49 CST 2017

On 21/01/2017 21:39, "Tony Duell" <ard.p850ug1 at gmail.com> wrote:

>>> sequence of locations that the CPU is reading. Most (but not all) will be
>>> instructions. Find one, compare with the listing, see if the sequence makes
>>> sense.
>> I can trigger it on the RD signal yes. There's 2 LS373s which both had dead
> Not trigger, but clock. In other words to take a sample on every Rd pulse.

Hm, no, none of the Saleae ones do external clocking, but I can set up a
parallel oversample and use either the rising or falling edge of RD as a
base, I wonder if that'll work...

Binary Dinosaurs creator/curator
Www.binarydinosaurs.co.uk - the UK's biggest private home computer

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