[TUHS] Early Unix and Keyboard Skills

John Cowan cowan at ccil.org
Fri Nov 4 03:02:31 AEST 2022

On Thu, Nov 3, 2022 at 11:19 AM Paul Winalski <paul.winalski at gmail.com>

> The model 33 had a very fast and powerful carriage return mechanism,
> good for cracking walnuts, but it took up to two character times to
> complete a CR.  If you didn't send two non-printing characters (such
> as NUL), you risked having your character struck somewhere in the
> middle of the line.

That was not my experience.  I cut my teeth on a PDP-8/M running OS/8 with
an ASR-33 attached and directly programming the KE8E controller without any
additional time-delay loops. Outputting additional NULs would have screwed
up binary paper tape output, so that can't have been how it was done.
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