(Topic ID: 246285)

Reverse engineer existing game ruleset

By AD72

4 years ago



Topic Stats

  • 5 posts
  • 5 Pinsiders participating
  • Latest reply 4 years ago by legtod2
  • Topic is favorited by 2 Pinsiders

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    #1 4 years ago

    I have a PROC that I am going to start programming the rule set. I want to start off with the existing Williams game rule set I am emulating. Is there a way to decode a Williams ROM to figure it out?

    #2 4 years ago

    Not really. Best you'll probably get is going off a published rule sheet.

    #3 4 years ago

    You can probably load roms into the debugger of your choice. Later games used some bytecode which is well understood. However, that code is not organized in a way which will help you. It might be possible to look up some cornercases but for most instances it should be much easier to just test the behavior of your game.

    #4 4 years ago

    Definitely far easier to just play the game then hack a rom. Or use pinMame or somin to bash switches to get modes quickly.

    #5 4 years ago

    Couple of methods comes to mind.
    Option 1 visual pinball
    Install virtual pinball on pc and download the William table you want to emulate and the rom file.
    Using the debug option press switches and record effects (points, lights, etc).
    Sound effects can be captured and or downloaded (google is you friend here).
    Option 2 pinmame and rom
    Download pinmame and rom
    Launch pinmame and manually generate events from keyboard and record events
    Option 3
    Visit arcade or friend who has the game and play game and record events.

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