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Thread: Gift and project for Neo Geo hardware hacker types

  1. #1
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    Gift and project for Neo Geo hardware hacker types

    I had mentioned that while at SNK I had designed a steering wheel addition to the Neo Geo to play some serious Thrash Rally. This was shown at some trade shows but did not garner enough attention to warrant manufacture, sadly.

    And so I present to you the schematic for making it yourself.

    Sure, there is a long set of rules about it. I am leery of someone taking it and selling on their own without getting legal permission and licensing from me. this is for your own personal use if you want the challenge to add this bit of controller festivities to Thrash Rally.

    If you DO wish to make a kit to sell of this, please do contact me first for arrangements.

    Enjoy!

    http://www.nightmarepark.com/6502/Ne...0Schematic.pdf
    Last edited by Nightmare Tony; 08-14-2012 at 10:05 PM.
    Fallen Player Remembrance: Known by all as an ex SNK and Romstar employee, Antonio "Nightmare Tony" Gonzalez was always helpful to other people, upbeat in chatting with people, and was a source of truth.

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    Quote Originally Posted by Nightmare Tony View Post
    I am leery of someone taking it and selling on their own without getting legal permission and licensing from me.
    It's as if you are speaking directly to kenny.

  3. #3
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    Thanks for posting this. I have been curious about how this was done ever since I first read about it a while ago.

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    This is so damn cool. I actually really like Thrash Rally so this would be fun to have for it.

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    Quote Originally Posted by Black IcE View Post
    Thanks for posting this. I have been curious about how this was done ever since I first read about it a while ago.

    No problem and you are welcome to build your own for personal use. It was done on a breadboard for the prototype. I have my pictures from SNK over here so once I scan I will post those pertaining to this project.

    I will not release the ticket dispenser Neo Geo project because it is all complicated as heck and I lost my source code and schematics. On that one, I spied on the data and address bus using 74245 buffers and flagging when the score memory location was hit. It fed into an Apple 2E to process all that goofiness.
    Fallen Player Remembrance: Known by all as an ex SNK and Romstar employee, Antonio "Nightmare Tony" Gonzalez was always helpful to other people, upbeat in chatting with people, and was a source of truth.

    "My biggest dream in life? To build black plywood habitrails"

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    This is such a neat thing that I've put a noticed at the top of the forum and deleted the two Kiwi references (because he doesn't deserve any attention here). Expect more people reading about it.

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    Awesome. Thanks for sharing this.

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    Quote Originally Posted by aria View Post
    This is such a neat thing that I've put a noticed at the top of the forum and deleted the two Kiwi references (because he doesn't deserve any attention here). Expect more people reading about it.
    Thanks! A gift for the community. Those who want to try it, go for it.
    Fallen Player Remembrance: Known by all as an ex SNK and Romstar employee, Antonio "Nightmare Tony" Gonzalez was always helpful to other people, upbeat in chatting with people, and was a source of truth.

    "My biggest dream in life? To build black plywood habitrails"

  9. #9
    Die Gans

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    thanks, Tony. that'll be one of my next projects for sure.
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    Serious, serious problems man, you have them.

  10. #10
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    Thank you so much Tony. What this will work great with is the Pop 'n Bounce project I'm working on.

  11. #11
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    WoW! Very Cool, T.

    Thanks!

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    Quote Originally Posted by NeoTurfMasta View Post
    Thank you so much Tony. What this will work great with is the Pop 'n Bounce project I'm working on.
    Does Pop N Bounce use the LR joystick inputs? From what I read, it may not help with that project. Worth a shot, though...
    Fallen Player Remembrance: Known by all as an ex SNK and Romstar employee, Antonio "Nightmare Tony" Gonzalez was always helpful to other people, upbeat in chatting with people, and was a source of truth.

    "My biggest dream in life? To build black plywood habitrails"

  13. #13
    DANCE DANCE KARNOV!
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    Yep, only L/R for movement and A for shooting.

  14. #14
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    Is there enough info to possibly re-create the actual hardware on a 3d-printer or something similar?

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    Quote Originally Posted by NeoTheranthrope View Post
    Is there enough info to possibly re-create the actual hardware on a 3d-printer or something similar?
    The hardware is simple.

    Happ steering wheel. Drill holes, mount in Neo panel.
    Floor pedal with push button to wire tot he A pushbutton
    Circuit linked to convert the steeling pulses to LR signals.
    Fallen Player Remembrance: Known by all as an ex SNK and Romstar employee, Antonio "Nightmare Tony" Gonzalez was always helpful to other people, upbeat in chatting with people, and was a source of truth.

    "My biggest dream in life? To build black plywood habitrails"

  16. #16
    . SNKorSWM's Avatar
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    Does it also work with Over Top?

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    Quote Originally Posted by Nightmare Tony View Post
    The hardware is simple.

    Happ steering wheel. Drill holes, mount in Neo panel.
    Floor pedal with push button to wire tot he A pushbutton
    Circuit linked to convert the steeling pulses to LR signals.
    Is it any of these?

  18. #18
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    Quote Originally Posted by SNKorSWM View Post
    Does it also work with Over Top?
    Or Neo Drift?
    thank you,
    Dion Dakis
    www.NeoGeoFreak.com

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    Quote Originally Posted by Mitsurugi-w View Post
    Or Neo Drift?
    I didnt try it with others, but if they steer with LR like Riding Hero, then they should work.

    I used a happ, dual photocell like a trackwheel, no feedback motor.
    Fallen Player Remembrance: Known by all as an ex SNK and Romstar employee, Antonio "Nightmare Tony" Gonzalez was always helpful to other people, upbeat in chatting with people, and was a source of truth.

    "My biggest dream in life? To build black plywood habitrails"

  20. #20
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    This is really cool of you! Someone build one and post up some pics!

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  22. #22
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    So this decodes a "wagon wheel" rotary encoder to CW/CCW (L/R) pulses? All in analog? I bow before you.

  23. #23
    Mauru's Zoo Manager
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    thank you Nightmare Tony

    time to convert a ps2 or ps3 wheel for the aes
    I guess it's a good day for Were-Jag... -NG: DEV.TEAM
    It's only fucking 50 USD for crying out loud. -Yakumo
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  24. #24
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    Quote Originally Posted by DanAdamKOF View Post
    So this decodes a "wagon wheel" rotary encoder to CW/CCW (L/R) pulses? All in analog? I bow before you.
    No, all digital, it uses the 90 degree offset type optical encoder. So a Centipede or Tempest control can be used on it. The upper flip flop tells direction and the lower one shot times the pulses to a solid signal so there is a kind of control where if you turn slowly, it turns more slowly.
    Fallen Player Remembrance: Known by all as an ex SNK and Romstar employee, Antonio "Nightmare Tony" Gonzalez was always helpful to other people, upbeat in chatting with people, and was a source of truth.

    "My biggest dream in life? To build black plywood habitrails"

  25. #25
    South Town Hero

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    Cool, is the prototype still out there ? as an official unproduced neo geo accessory would be worth a small fortune.

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