Top Tweets for #pdpcamp
In this video, @DawsonRosell, @JulianNowaczek, and I discover One Weird Trick to make the erroneous behavior simply go away! (Doctors of Computer Engineering hate us!). If only it were permanent. https://t.co/ucX1nU0wmK #pdp12 #pdp #pdpcamp #retrocomputing
In this PDP Camp video, @DawsonRosell , @JulianNowaczek and I combine our console program with the oscilloscope to get a closer look at our nondeterministic behavior. What we saw will SHOCK YOU! At least, it shocked us: https://t.co/EV3rXhKIbR #pdpcamp #pdp12 #pdp #retrocomputing
In this #pdpcamp video with @JulianNowaczek and @DawsonRosell , we hook the oscilloscope up to the PDP-12 to try to get a deeper look at why it's failling the Tape Data Test (and associated diagnostics). https://t.co/f9A2yU6pJH #pdp12 #pdp #retrocomputing
In this #pdpcamp video, we dig into the cause of our failing the Tape Data Test. Low-level testing reveals something very unnerving... https://t.co/iQRmC9uvWZ #retrocomputing #pdp12 #pdp @JulianNowaczek @DawsonRosell
The Third Bit Strikes Back: Wherein @DawsonRosell and @JulianNowaczek 's joy is found to be short-lived and we try moving some bits around: https://t.co/CuDAxR3zBW #pdp12 #pdpcamp #vintagecomputing
I'm catching up on a string of unposted PDP Camp 2019 videos. When we last left our heroes, it seemed like they'd solved the Tape Data Test problems. They celebrated a bit. Little did they know... https://t.co/eDGikmZWFX #pdpcamp #pdp12 #vintagecomputing
Boards for the PDP-12 backplane probe arrived from @oshpark today! A much easier way to test the connection between the wire wrap and card edge connectors, and get test points on unpopulated flip chip slots (like the MC12 memory expansion connectors ๐)! #pdpcamp #retrocomputing
Teletype restoration in progress!! Video tomorrow on how the TTY sends and receives characters. This thing is a marvel. #pdpcamp #retrocomputing
Anybody know what this thing is (besides being essential equipment for a Teletype owner)? Thanks to Warren Stearns for telling us to buy one. (It came in very handy on your Teletype, Warren, thank you.) See our video tomorrow for answers. #pdpcamp #retrocomputing
Our ASR33 Teletype is still blowing fuses... ๐ Seems like the motor gets bogged down, so itโs time to figure out why! Should be no problem, right? ๐
#pdpcamp
The ComData modem is out and powered up (after some caps were replaced). The smoke is staying inside and no fuses are blowing! Now, @JulianNowaczek and Matt are trying to figure out what's what, using a junction box and the scope. #pdp12 #pdp #pdpcamp #asr33 #retrocomputing
Our newest team member, Matthew Singer, and @JulianNowaczek are working on getting our #asr33 teletype online. It uses a rare ComData Corporation modem / psu / call control unit. #pdp12 #pdpcamp #retrocomputing
Tried out some PDP-8 DECUS programs today. Never played a game via teletype before! #pdpcamp
In this video, @DawsonRosell and @JulianNowaczek demonstrate a complete run of the TDT, including a demo a FETCH STOP, which pauses execution when a particular address is fetched (old school breakpoint). https://t.co/bOTINUUWnw #pdpcamp #pdp12 #vintagecomputing
We continue work on the FCT and clean everything involved in the TC-12 tape controller... https://t.co/1sVjqcMlOK #pdp12 #vintagecomputing #pdpcamp #pdp
Mood: "It could be a problem with the backplane." (That signal is supposed to be stable.) #pdpcamp #pdp #vintagecomputing @DawsonRosell @JulianNowaczek
Probing some tape drive signals with @DawsonRosell and @JulianNowaczek -- #pdpcamp #vintagecomputing
#pdpcamp - @DawsonRosell and @JulianNowaczek hunt for the hardware supporting the XOB (Extended Tape Operations buffer) register.
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