On 10/4/2019 6:43 AM, David via cctalk wrote: > 1976, UCSD. So I was using your Lisp. > > I got a position on the UCSD Pascal project half way through that year > (reunion in just 2 weeks). So I’m very familiar with the p-code and how all > that works as well. > > In 1978 I discovered Unix on a 780 in the 4th(?) floor lab and made the > switch from Pascal to C. Been a hard core Unix developer ever since. As a > result my name appears in almost all Apple products in the legal section. > > David > >> On Oct 3, 2019, at 11:16 PM, Stan Sieler <sie...@allegro.com> wrote: >> >> David...where did you use Lisp on a B6700? >> >> Bill Gord and I wrote the first INTERLISP interpreter for the B6700 back >> around >> 1974-1975, on a DARPA contract, at UCSD. (At the start, it was to implement >> BBNLISP, >> but the name changed during the project :) >> >> DARPA found that researchers using INTERLISP (or others) on Dec PDP10s (and >> similar) were hampered by the limited address space (256K virtual memory). >> The B6700 offered a significantly larger address space (and many other >> features, of course :) >> (I know our LISP got distributed to other Burroughs sites in those days, >> just like our STARTREK and Bob Jardine's SOLAR.) >> >> Danny Bobrow (with Xerox PARC at the time) came and helped us get started. >> I met Warren Teitelman ... he had no idea that the cover of the INTERLISP >> manual was an homage to his last name. (See: >> http://bitsavers.org/pdf/xerox/interlisp/Interlisp_Reference_Manual_Oct_1974.pdf >> >> <http://bitsavers.org/pdf/xerox/interlisp/Interlisp_Reference_Manual_Oct_1974.pdf> >> ) >> >> We got our system up and running, including DWIM and other packages, and >> were told ... oops, DEC figured out how to expand the amount of virtual >> memory on the PDP-10, so we don't need to buy Burroughs mainframes now! >> >> Our INTERLISP was a full interpreter, and also had a compiler to LISP >> p-code, which might have inspired UCSD Pascal's p-code (Ken Bowles was our >> boss). >> >> I believe I have the source, in Burroughs ALGOL. >> >> As a side bonus, I got to interact with Danny, and people from PARC and BBN >> as we were watching other UCSD Computer Center people put the B6700 on the >> ARPANET. (I think we were something like the 25th computer.) >> >> Stan Sieler >> >> > >
FYI there is a Burroughs 5500 simulator out there that runs ALGOL just fine. Let me know if you want a pointer to the developer. JRJ