Hello! Now that I think about the scene, it might have been a frustrated PDP-8 at work. I do recall that the exhibit spent more time being fixed, then being running....
It is certainly possible you're right. But not confused. Then I was beginning to suffer from information overload. ----- Gregg C Levine gregg.drw...@gmail.com "This signature fought the Time Wars, time and again." On Fri, Feb 26, 2016 at 9:54 AM, Johnny Billquist <b...@softjar.se> wrote: > On 2016-02-26 15:23, Gregg Levine wrote: >> >> Hello! >> Interesting. >> >> I was only reporting what I remember as to the history of the whole >> example we call UNIX. >> >> And last year at the Vintage Computer Festival East, (Yes Dave W, the >> same one where we crossed paths.), I saw a PDP-11 system having >> finished dumping his program output to a TTY setup. I commented then >> that the instructions shown resembled an 6502 one, I was also thinking >> of the original 6800, but did not say that, and then it wasn't until I >> walked away that I thought of a 68000, but only because I was inspired >> by something I had read regarding the history of what was used in the >> first Mac or its ancestor. And then continuously until much later when >> reason caused Apple to switch to the PowerPC. Let's not discuss the >> decision to switch to Intel. > > > But then you must have looked at some code that was not PDP-11, or else you > are very confused about the 6502, or else you are very confused about > assembler in general. > > You are comparing a processor with generic registers, with lots of > addressing modes, and a fully orthogonal instruction set, to a processor > that is accumulator based, have rather limited addressing modes, and limited > combinations of arguments to instructions. > > The 6502 have more in common with the PDP-8, I'd say. > > Johnny > > > _______________________________________________ > Simh mailing list > Simh@trailing-edge.com > http://mailman.trailing-edge.com/mailman/listinfo/simh _______________________________________________ Simh mailing list Simh@trailing-edge.com http://mailman.trailing-edge.com/mailman/listinfo/simh
