(Topic ID: 1465)

customizing sound eproms


By pdman

8 years ago



Topic Stats

  • 8 posts
  • 7 Pinsiders participating
  • Latest reply 5 years ago by MattyJ
  • No one calls this topic a favorite

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    #1 8 years ago

    Has anyone ever customized any sound eproms? Like adding your own music or speech to replace the original? It seems like it could be done if one knows what A/D conversion routine needs to be used and at what memory addresses each sound resides in.

    I know this can be done on some old drum machines and such for custom percussion sounds, etc.

    Still, was wondering if there are any good websites that deals with customizing PBall sound chips or if anyone has tried or done it.
    Happy 4th of July to ALL

    #2 8 years ago

    I've customized some game roms for early Williams machines but never did a sound rom .. Interesting idea. I imagine it would require the same compilers and decompilers for the specific CPU on the sound board.

    #3 8 years ago

    I'd be happy with my pop bumpers being customized to give me 5000 points when NOT lit...hehehe...

    Have you searched the archives of RGP? Some folks are doing incredible work with changing the "attract" mode of early SS games. Youtube has a few and they are great.

    #4 8 years ago

    I'm just starting to work on customizing roms, but assembly language is proving to be a difficult thing for me to learn. Not fun.

    -Hans

    #5 8 years ago

    I know a guy that can do it for you he has the equipment to do it http://www.houseofpinball.com/
    I would call him instead of emailing him his name is Dan

    3 years later
    #6 5 years ago
    Quoted from Donnyman:

    I know a guy that can do it for you he has the equipment to do it http://www.houseofpinball.com/
    I would call him instead of emailing him his name is Dan

    Hi guys, I know this is a very old post but I was hoping someone could help with current info as this link is dead now. I couldn't believe my luck seeing this post as its exactly what I was looking for.
    I have the Back To The Future pin and it really bugs me that Marty McFlys voice is not MJ Fox but someone else seeing MJ Fox didn't want any part of the game. I would really like to swap out the fake Marty voice sounds with ones taken from the movie if such a thing is possible??
    Any help is greatly appreciated.
    Thanks Mat

    #7 5 years ago

    http://pinside.com/pinball/forum/topic/lethal-weapon-3-sound-rom-update

    Not easy and even if you're successful may not work in the machine.

    viperrwk

    #8 5 years ago

    Thanks, that's fantastic. Appreciate the warning too. I had figured it would either be easy or very hard, nothing in between....

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