(Topic ID: 125125)

Gottlieb sound board MA-55 test rom


By flip78

4 years ago



Topic Stats

  • 5 posts
  • 2 Pinsiders participating
  • Latest reply 4 years ago by MarAlb
  • No one calls this topic a favorite

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    #1 4 years ago

    Hello,

    We are looking for Gottlieb MA-55 test rom.

    If somebody as or know about this rom, please inform us.

    Actually we are working on 6530 code, more information on our work at :
    http://www.flipprojets.fr/Audioboards_EN.php

    Thank's

    #2 4 years ago

    Hello,
    Not yet found the test prom ...
    But found why the 7643 sound rom 664 Pink Panther fails when using an adapter for replacing 6530 with 6532 and eprom.
    More info on our web site soon !

    #3 4 years ago

    Bonjour François et Thierry!

    Are you looking for an "official" test PROM made by Gottlieb?? Did that one ever exist?
    Curious about your results. I never studied these boards in order to make a test ROM. The integrated ROM area in the 6530 chip is a challenge I think....it would take a different approach to write a test ROM for these Keep us informed! It would be nice to have a decent tools to repair these boards

    Good luck & regards from another test ROM writer from Holland

    Marco

    #4 4 years ago

    Bonjour Marco,

    Yes we are looking for official sound prom. We think they have existed by studying the 6530 code, when activing the 'spare' input ...

    For more infos take a look at :
    http://www.flipprojets.fr/AudioMA55_EN.php

    and :
    http://www.flipprojets.fr/AudioPink_EN.php

    #5 4 years ago

    Very interesting read, well done. Hat off for you guys!

    Marco

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