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Work has been crazy busy and its been a long time since my Gyruss boardset rehab, so I decided I should start working on another board. Since I have a Frogger board, and the JAMMA adapter for it, I figured I'd take it off the shelf and see what state it was in.

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I've definitely seen worse. The good news is that it mostly works.

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Here's the starting point:

  • Game program runs, coins up, and starts, detects collision between frog and objects
  • repeated lines in video output
  • responds to control input
  • frog sprite missing
Given it's behavior, I'll be starting with the display generation section. I haven't yet gone searching to see if the answer is readily findable. Will probably do a bit on troubleshooting without help first.
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