Another FORTH fan here. Originally written to control radio telescopes -- hardware was changing all the time so the language was by definition designed to be extensible. Want to add a function? Define it, give it a name and bingo...
Sometimes less __IS__ Moore. > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Don Latham > Sent: Saturday, November 17, 2012 23:19 > To: M. Simon; Discussion of precise time and frequency measurement > Subject: Re: [time-nuts] Wanted - AN/URQ-10 manual > > Forth forever!!! > Don L > M. Simon > > Can't help you with the manual but I just wanted to say > that the 1051 > > was one of my favorites. Loved the PLLs. I worked on an upgrade for > > Stewart Warner back in the early 80s. As part of a > prototype I put two > > Z-80 systems in the space between the front panel and the main gear. > > Part of its purpose was to interface to the 1553 bus. I > also implemented > > a DDS in TTL for fine tuning. I still like tube front ends for mil > > radios for ruggedness. But you can't sell it because of > wear out issues. > > > > > > The Navy didn't buy in to the prototype. Collins beat us. > The code for > > the processors was written in Forth. The Navy "code > inspector" said it > > was some of the best written code he had seen in several > years. We also > > could complete a design cycle - including code - in a > month. The Collins > > boys had a team 10X as large as ours (we had 3). And it took them 6 > > months to complete a design cycle using "C". I was project > manager and > > lead engineer. I was mostly hardware but I did some > software and rode > > heard on the coders. Forth was my idea. > > > > > > I also put a Z-80 inside the companion 1KW transmitter. The > RF inside > > the transmitter was a few volts per inch. I used a sealed > box and a lot > > of feed through filters. It worked the first time. > > > > I also worked with the gear in Navy ETA school. And went on > to become a > > Nuke so I didn't see that radio gear again until about 15 > years later. > > > > > > Simon > > > > > > Engineering is the art of making what you want from what > you can get at > > a profit. > > _______________________________________________ > > time-nuts mailing list -- [email protected] > > To unsubscribe, go to > > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > > and follow the instructions there. > > > > > > > -- > "Neither the voice of authority nor the weight of reason and argument > are as significant as experiment, for thence comes quiet to the mind." > De Erroribus Medicorum, R. Bacon, 13th century. > "If you don't know what it is, don't poke it." > Ghost in the Shell > > > Dr. Don Latham AJ7LL > Six Mile Systems LLP > 17850 Six Mile Road > POB 134 > Huson, MT, 59846 > VOX 406-626-4304 > www.lightningforensics.com > www.sixmilesystems.com > > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
