thanks!
On Fri, Apr 17, 2020 at 5:48 PM Len Shustek via cctalk <cctalk@classiccmp.org> wrote: > > At 10:00 AM 4/17/2020, Bob Smith <bobsmith...@gmail.com> wrote: > >...I believe sometime in the late 70s, maybe as late as 1980, a prof > >associated with UMass wrote a paper describing an extension of the > >PDP8 called 8/X or 8X. > >...I believe, my memory is fuzzy, that it was a prof nnmed Stone or > >Stoner (perhaps Harold S) who lead the effort and had his name on the > >paper. > > That is probably Harold S. Stone, whom I knew as a Stanford prof in > the early 1970s and did some corporate consulting with. Brilliant > guy. From 1974 to 1984 he was at UMass Amherst, so your memory isn't > fuzzy at all. He also worked at the IBM Yorktown Heights research > center. He was the author of several books and many papers about > computer architecture, algorithms, and interfaces. > > Unfortunately I don't remember him working on a PDP-8 extension, and > a quick search of the ACM Digital Library turned up nothing. As far > as I know he's still alive at the age of 82. >