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Recent content by mngreer

  1. M

    Extended Arithmetic Element (EAE) re-implementation using current TTL ICs?

    I’m interested. I have had great luck with Roland’s boards. Matt
  2. M

    What did I do to my PDP-8 today.

    I have built Roland’s VC8E boards (M885 and M869) as well as Roland’s M882 Real Time Clock. Coupled with a M863 to control a rough joystick pair, they run his Space war version on a Tektronix monitor. They work great. I have also built two of Roland’s M8357 boards to run an RX02 emulator and...
  3. M

    RX8E 74xx clone works

    This is a note presenting my experience in building, testing and using Roland Huisman’s RX8E 74xx clone controller board. My intent is to show the steps I took, as encouragement for others interested in the board to build it to see that it is a very doable project. I have used the board to...
  4. M

    M847 extended edition > Bootloader in PDP style !

    M847 Extended Edition - Notes on Building M847 Extended Edition - Notes on Building This note presents my experience in building Roland Huisman’s M847 extended edition Bootloader. My intent is to encourage others interested in the board but maybe hesitant based on skill level to take on...
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