Digression - Ah Yes!! The PDP-10

Rob Jarratt robert.jarratt at ntlworld.com
Wed Oct 25 16:18:22 CDT 2017

> -----Original Message-----
> From: cctalk [mailto:cctalk-bounces at classiccmp.org] On Behalf Of Robert
> Adamson via cctalk
> Sent: 25 October 2017 20:56
> To: cctech at classiccmp.org
> Subject: Digression - Ah Yes!! The PDP-10
> Beginning of the 70's I was using a pdp-10 at TSL (Time Sharing Limited,
> over a phone line writing logic simulation software in Fortran. Remember
> fondly, especially the number of times I needed to redial in and try to
> reconnect to my session. Still smell the teletype. Cost about £10 for the
> seconds cpu-time or so just to compile the program!!!

I used to use the DECSYSTEM-20 from a Teletype (until they got replaced by
VDUs). That is why I really wanted a nice Model 33 ASR, which I now have. I
sometimes connect it up to SIMH running TOPS-20 to relive the happiest part
of my school days.

> Roll on a few years and I was actually at the console of a 10 at Smiths
doing IC
> layout graphics interactively on their Lady Jane suite. What a great
> machine!
> (and I still remember my username and password from TSL, typed it so often
> burned in).

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