Hi Time to get out the paper tape for 4K Focal and do some code...
Bob On Mar 3, 2012, at 8:19 PM, "Don Lewis" <[email protected]> wrote: > I still have a PDP/8 with 4k core memory out in the garage. (a jillion RTL > cards in it). It was free to e then, broken, ...I had to find t\all the bad > transistors.... > > During college, ..I would sit in the floor with that thing and toggle in > small programs in machine language to count up and down, seemingly > impressing everyone with the binary lights dancing on the front panel. > > ...this all makes me want to pull it out and 'toggle' some more, again.... > > -Don > > > > ---------------------------------------- > > > -----Original Message----- > From: [email protected] [mailto:[email protected]] On > Behalf Of Bob Camp > Sent: Saturday, March 03, 2012 6:55 PM > To: Discussion of precise time and frequency measurement > Subject: Re: [time-nuts] Questions about Austron 5000 Loran C receiver > > Hi > > Ahhh... The days of toggling the boot loader in with the front panel > switches. So much fin. > > Bob > > > > On Mar 3, 2012, at 7:45 PM, Jim Lux <[email protected]> wrote: > >> On 3/3/12 4:13 PM, Azelio Boriani wrote: >>> Geez, I have read and I don't think it is possible to replicate the CALOC >>> PDP-8/E software nor it is useful to use the Austron 5000 Loran receiver, >>> my understanding is that it was used to control and steer the system. It >>> seems they were in use until the year 2000! Maybe that using MATLAB it is >>> possible to exploit the Austron 5000 functionality nowadays, provided > that, >>> someway, the 12bit samples from the Austron are transferred to the PC. >>> Anyway to start with, at least the receiver connectors pinout is >>> mandatory... >>> >> >> There are PDP8 emulators out there. Not to mention actual > microcontrollers that implement the PDP8 instruction set (aside from the > no-doubt out of production Intersil part). >> >> And a fair number of FPGA implementations in your choice of language. >> >> While it might not be as scenic as that nice plastic see through housing > with all those discrete DTL circuit cards in the original straight 8. I > used a 8/i way back in the early 70s and I was bummed that it was just a > single box in the rack. >> >> _______________________________________________ >> 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. > > > _______________________________________________ > 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.
