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Thread: scored a nice apple IIe need help fixing

  1. #11
    Join Date
    Jun 2013
    Location
    Montevideo, Uruguay
    Posts
    192
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    where i can get a replacement hal chip is a custom apple chip ?

  2. #12
    Join Date
    Sep 2016
    Location
    Melbourne, Australia
    Posts
    349

    Default

    You will have to get a blank PAL chip and program it.
    If you use a GAL, I suggest trying a 16L8-15 part not a 16L8-25. I tried it with a 16L8-25 and it didnt work.
    Here are the abel equations for it.
    https://downloads.reactivemicro.com/...nd%20Noted.txt

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