Other PDP11 simulators

From: Roger Merchberger <zmerch_at_30below.com>
Date: Sun Oct 3 11:42:14 2004

Rumor has it that Ron Hudson may have mentioned these words:

>simh won't let me do that, I have to stop the simulator to change things..
>including detaching the
>print file and attaching a new one so I can spool the old.. I tried
>attaching the print file to /dev/lp0 but that didn't work.

Did you try rerouting the output thru what's called a FIFO? It's similar to
a pipe (|) from the command line, but it's linked into the filesystem. The
only caveat that I remember (I've not used them much) is they're only one
way, so you'll need two pipes for 2-way communication. Gee, think you could
spare a couple of inodes??? ;-P

Here's a good page about 'em:

Googling for "linux FIFO" brings many others... ;-)


and Stan Barr may have mentioned these words:

> Also AFAIK simh won't support a real console terrminal on a serial port,
> which was part of my requirement.

Isn't there a way to re-route the serial port to 'console' invisibly in
Linux? I *thought* there was, but I've never done it...

Maybe this would help...


Anyway, I hope it helps, but I've never run simh, so I don't know the
particulars of it...

Roger "Merch" Merchberger

Roger "Merch" Merchberger   ---   sysadmin, Iceberg Computers
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Received on Sun Oct 03 2004 - 11:42:14 BST

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