Re: [TUHS] Unix Circuit Design System

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.