Archived posting to the Leica Users Group, 2005/12/07
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Wow. I think the only sentence in this thread I actually understood was, "It's time for Louisa's bath!" On Dec 7, 2005, at 7:15 AM, lug-request@leica-users.org wrote: > Message: 3 > Date: Tue, 6 Dec 2005 21:08:09 -0600 > From: "Jim Nichols" <jhnichols@bellsouth.net> > Subject: Re: [Leica] Re: [LRflex] Digital Leica "M" > To: "Leica Users Group" <lug@leica-users.org> > Message-ID: <00b401c5fadb$74140ca0$6101a8c0@jimnichols> > Content-Type: text/plain; format=flowed; charset="iso-8859-1"; > reply-type=original > > The PDP 8 was the beginning of wind tunnel plant automation for our > facilities. It could take two pressure inputs and solve the equations > to > present Mach number on a small TV monitor on the operator's console. > It was > followed by the later PDP models and finally a VAX, with control > algorithms > to replace the operator. > > Jim Nichols > Tullahoma, TN USA > > > > > ------------------------------ > > Message: 4 > Date: Tue, 6 Dec 2005 22:09:48 -0500 > From: "Richard S. Taylor" <r.s.taylor@comcast.net> > Subject: Re: [Leica] Re: [LRflex] Digital Leica "M" > To: Leica Users Group <lug@leica-users.org> > Message-ID: <p0623090cbfbc016924b2@[131.142.12.152]> > Content-Type: text/plain; charset="us-ascii" ; format="flowed" > > Ah, the joys of minimization. Back when I was taking a course in > celestial navigation I wrote a sight reduction program for my HP-11C > that took me literally a month to make fit its non-expandable memory. > > It was, of course, made instantly obsolete when the first dedicated > navigational calculators appeared about a month later. > > But, I made it fit, yes I did! :-) > > >> I have an HP-67 as well with a selection of the little mag-cards for >> holding programs. >> >> It nearly cost me my marriage. I'd left the Navy and was getting at EE >> at UC Davis and was sitting at home writing a program to solve some >> function or other and, as was the geekiness of the time, trying to get >> it down to the bare minimum of instructions (memory was very limited). >> So I was working and working in my chair, manual open, debugging and >> stepping through the program and finally my wife said "Oh can't you >> get that finished? It's time for Louisa's bath!" "Oh," I said, "It >> works just fine, I'm trying to make it as compact as possible." The >> nuclear detonation could be heard all over the block and I took Louisa >> to her bath, story and bed. >> >> I'm lucky I had a calculator when I returned to my chair! And she >> NEVER understood that desire to make programs small and optimum. Of >> course it's totally wasted in these days. Ah for the joys of PDP-11 >> assembler! >> > > (snip) > -- > Regards, > > Dick > Boston MA