Re: [TUHS] Unix Circuit Design System

Xterm can emulate a Tek terminal. Sent from my iPhone > On Jan 1, 2016, at 8:58 AM, Michele Ghisolfo <ghisolfo.m(a)gmail.com> wrote: > > Thank you! I think I'll tamper with it a bit, when I have time. With > regards to > the lack of wheel emulation in xterm, I think it wouldn't be too difficult to > write a terminal emulator with the set of tek functions and codes used > by "draw". > > I'll try as soon as possible! > > 2016-01-01 0:13 GMT+01:00 Warren Toomey <wkt(a)tuhs.org>: >> Ah, it's in the archive at >> http://www.tuhs.org/Archive/Applications/Circuit_Design/ >> >> Cheers, Warren >> >> >>> On 1 January 2016 8:52:34 am AEST, Clem Cole <clemc(a)ccc.com> wrote: >>> >>> Funny you should ask.... >>> >>> I had the last known virgin copy of that UCDS a few years ago, which we >>> managed to save. Dennis declared it part of V7 (just a little late being >>> distributed), which we promptly sent to Warren, who has the source in his >>> archives. Note it uses a tektronix 40xx terminal as the native screen. >>> It's been years since I used it, but I may be able to answer a few >>> questions. I suspect the biggest issue with trying to use with xterm >>> emulation is that lack of the two wheels that the tek terminals had. >>> >>> Good luck, >>> Clem >>> >>> On Thu, Dec 31, 2015 at 1:20 PM, Michele Ghisolfo <ghisolfo.m(a)gmail.com> >>> wrote: >>>> >>>> Hello all! >>>> >>>> While I was reading the article "A Research UNIX Reader: Annotated >>>> Excerpts >>>> from the Programmer's Manual" from Douglas McIlroy, I learnt of a set of >>>> utilities for designing electronic circuits. Here is a brief quote of >>>> this >>>> article: >>>> >>>> "CDL (v7 pages 60-63) >>>> >>>> Although most users do not encounter the UNIX Circuit Design System, it >>>> has long >>>> stood as an important application in the lab. Originated by Sandy Fraser >>>> and >>>> extended by Steve Bourne, Joe Condon, and Andrew Hume, UCDS handles >>>> circuits >>>> expressed in a common design language, cdl. It includes programs to >>>> create >>>> descriptions using interactive graphics, to lay out boards automatically, >>>> to >>>> check circuits for consistency, to guide wire-wrap machines, to specify >>>> combinational circuits and optimize them for programmed logic arrays >>>> (Chesson >>>> and Thompson). Without UCDS, significant inventions like Datakit, the >>>> 5620 Blit >>>> terminal, or the Belle chess machine would never have been built. UCDS >>>> appeared >>>> in only one manual, v7." >>>> >>>> >>>> I looked it up on the 7th Edition's Manual and I haven't found references >>>> of >>>> this system. I also searched a v7 system image downloaded from TUHS and >>>> got no >>>> results. However I got some references of this system in USENET >>>> archives. In >>>> particular, two hierarchies, net.draw and after net.ucds were dedicated >>>> to it. >>>> Apparently two of the binaries of the system were called "draw" and >>>> "wrap". I >>>> also found a manual of a similar system which I suppose is the UCDS >>>> descendant >>>> in the 1st Edition of Plan 9. This is the link of the document: >>>> >>>> http://doc.cat-v.org/plan_9/1st_edition/cda/ >>>> >>>> However that edition of Plan 9 is not publicly released and I could not >>>> find >>>> it in following editions. But since v7 Unix is available, I hope it may >>>> be possible to get hold of an older release at least. >>>> >>>> Does anyone have any information? >>>> >>>> Thank you in advance! >>>> >>>> --- Michele >> >> -- >> Sent from my Android phone with K-9 Mail. Please excuse my brevity.