OT: how big would it be? - test-drb@ccmp.vtda.org

22 Oct 1999

--- Tony Duell &lt;ard(a)p850ug1.demon.co.uk&gt; wrote:
...
   I liked
Hans's suggestion (which I have now deleted, alas) of a museum
 exhibit with three identical computers...
 ... or could you?  Didn't PDP8 come in all three versions?  
 Yes it did, but there were _slight_ differences in the instruction set 
 IIRC (rather like the differences in the PDP11 instruction set between 
 similar-ish models). 
Differences, yes, but it should be possible to write some trivial code
that runs identically on all three models, presuming the TTY implementation
on the DECMate doesn't really hose things up that badly.

...
  But having a straight-8, a PDP8/e and a DECmate all
running side by side 
 would be an interesting exhibit. Pity I can't do it... 
It's one of my goals when I complete the musuem.  I have a DECMate and
some PDP-8/L's out at my new location, but I haven't moved the Straight-8's
yet (Neither have I powered them on since I got them... reconditioning the
power supply is another project on the To-Do list).  At least now I have
a module map, many thanks to Doug Jones.  First step is the 12Kw -8/L.  I
had everything together last weekend *except* a key.

-ethan

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