On Sun, Mar 29, 2020 at 1:48 PM Brendan McNeill via cctech < cct...@classiccmp.org> wrote:
> Here in NZ and around the world many of us are in lockdown and spending > more time on our computers, if that were possible. I have just completed > the restoration of a PDP-8 Straight 8 which I believe is the only one in > New Zealand. You can view the restoration story and find appropriate > resources here: https://pdp-8.nz <https://pdp-8.nz/> > Very nicely done, and an excellent write-up. That core memory repair was amazing. It's interesting to read about a PDP-8 with such a high failure rate -- I've personally worked on two straight-8 systems (one at LCM+L, and one in my personal collection) where relatively few component failures were found. I wonder what accounts for the difference -- batches of diodes more prone to failure, the environment the machines were stored in, or the number of years of service... > > While it plays Chess, it would be great if someone wanted to write (say) a > Prime Number Generator, or some other application and email it to me off > list. I have Focal-69 and can probably source other languages for this > wonderful old machine with 4K of memory. > There's a 4K LISP as well, though it's a pseudo-LISP-1.5 dialect so it's a bit different. - Josh > > --------------//---------------- > bren...@mcneill.co.nz > +64 21 881 883 > > > > >