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


> 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.