vtserver for geezer '11s

Jacob Ritorto jacob.ritorto at gmail.com
Thu Dec 31 18:00:16 CST 2020

  I modified vtserver to work on pdp11/34 and similar - the older machines
that have the

000000 000000 000000 000000

odt prompt.

I'm afraid I didn't do a very thorough job (hack night and just wanted to
get it working) and in retrospect I wish I would've made a conditional
argument to put it in this mode.  Perhaps we should collaborate on adding
this properly and adding other desirable features like compression for
incoming "all zero" blocks when pulling images in from real hardware, etc.

It's here if you'd like to use it:


You can run it with ./a.out -odt to facilitate its talking to the pdp at
power-on and loading its initial boot sequence via odt in octal.  You have
to run the primary bootstrap with L 140000 and S <return> because I botched
the parsing a bit in my rush to get things going.


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