Recent content by Elgen

  1. Elgen

    Using GALs to replace small, sparse and/or redundant bipolar PROMs

    http://elgensrepairs.blogspot.dk/2014/03/using-gals-to-replace-small-sparse.html
  2. Elgen

    Psychic5 video distortion. Input needed! };-S

    Hey Mates I currently have a bootleg Psychic5 on the table. I've made some repairs in the controls/input section and made a JAMMA-adaptor, and it now plays perfectly. HOWEVER, there are some small, tho rather annoying, distortions in the upper part of the screen. It looks like small white...
  3. Elgen

    Extending the usage of a cheap Top2005+ programmer

    I have finally finished a blogpost about my latest project: Enable a Top2005+ (cheap chinese EPROM programmer) to program 16bit EPROMs and test 4bit SRAMs (something that software it ships with can't do). Comments etc. in this thread, but also especially on the blog, are more than welcome. };-P...
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