Julian Elischer julian at
Sat Dec 3 08:44:27 UTC 2016

Some friends and I have a pdp8 here.. we replaed the bulbs with leds 
about 25 years ago, but
last time we tried it, it still ran.. model number escapes me.. its 
currently at a friend's place.
It was the controller for a DISTEC (?)  display, the predecessor for 
the wonderful gt40 and used as a frontend for teh pdp10 (KA10, serial # 6)

On 3/12/2016 12:07 PM, Larry Rosenman wrote:
> On 2016-12-02 22:02, Kevin Oberman wrote:
>> On Fri, Dec 2, 2016 at 5:59 PM, Greg 'groggy' Lehey <grog at>
>> wrote:
>>> On Saturday,  3 December 2016 at 11:40:36 +1100, Dave Horsfall wrote:
>>> > Be there an implementation of FOCAL?  I have a hankering to get 
>>> back to
>>> my
>>> > early programming days :-)
>>> Heh.  I have a paper tape from my first year at uni somewhere in the
>>> mess on my desk.  It's been there for at least 10 years, and it's
>>> short enough for it to be practical to read it in by eye, but I
>>> haven't got more than a third of the way through.  It's in FOCAL-69,
>>> and does some world-shattering calculations like mean and standard
>>> deviation.  It would be fun to run it again--once.
>>> Greg
>> Wow! Have not thought of FOCAL in years. Used to write a bit both 
>> when in
>> college and, using FOCAL-11, in my early years at LLNL. Unlike 
>> FOCAL on a
>> PDP-8, FOCAL-11 ran on top of DOS-11. (No relation to Microsoft 
>> DOS.) The
>> PDP-8L was the only solid state computer in the lab. All of the others
>> still had vacuum tubes and drum memory, though the Univac Athena 
>> had both
>> drum and core.
>> In college I wrote a simple craps game and, it it caught you trying to
>> cheat, it zeroed your account and gave you the finger on the 
>> ASR-33. My
>> computer logic prof (and department head) saw that trivial ASCII 
>> art and
>> chewed me a new one for putting code to generate that gesture on a 
>> school
>> computer. That was about 45 years ago. Memories!
> Brings back memories for me as well from high school.  Back in 1972.
> PDP-8/L in the Levittown (NY) School District.

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