Looking for a document regarding PDP8

[Bob Smith]

thanks!

On Fri, Apr 17, 2020 at 5:48 PM Len Shustek via cctalk
<cctalk at classiccmp.org> wrote:
>
> At 10:00 AM 4/17/2020, Bob Smith <bobsmithofd at 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.
>