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31098Re: [midatlanticretro] Acquired a PDP-8/E

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  • Cory Smelosky
    Jun 2, 2013
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      On Mon, 3 Jun 2013, Kyle Owen wrote:

      >
      >
      > On Wed, May 22, 2013 at 8:55 PM, David Gesswein <djg@...> wrote:
      >
      > http://www.pdp8online.com/pdp8cgi/query_docs/view.pl?id=188
      >
      > The first are simple instruction tests. The console print test and echo
      > test are good for checking out your console serial port. The visisble
      > increment AC test is what it says. The shifting lights will be a good first
      > program for learning the PDP-8 instruction set.
      >
      > After I get the toggle in and console working then I toggle in RIM, load
      > over the console serial BIN, then run the 8/E maindecs, then run focal/basic
      > etc. To load basic or focal programs (not the bin tape) over the console
      > you will need to either convert reader run to RS-232 flow control or use a
      > program that can put pauses at end of line etc.
      >
      >
      > I got my new bulbs Friday! I ordered 50 (for ~$27 shipped from Mouser) of the 12V high brightness type, and they look perfect. I replaced all of the bulbs with
      > these, just to make sure they'd match. 
      >
      > As you suggested, I made the shifting lights program by hand compiling it as a first learning experience of the instruction set. Here's a
      > video: http://www.youtube.com/watch?v=LZ9H1vqdIDM
      >
      > Next step: get my serial interface card going. Were there any common failures on the M8650? Mine just puts out a few random characters to the terminal every few
      > seconds when the computer is on. Turned off, there's nothing coming in, so I doubt it's a high noise problem on my cables. I'm just using a few feet of Cat 5. 
      >

      I doubt this...but have you cleaned all contacts and pins?

      > Kyle
      >
      >
      >
      >
      >

      --
      Cory Smelosky
      http://gewt.net/ Personal stuff
      http://gimme-sympathy.org Experiments
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