Frogger
A downloadable game
This is a manual transcode from the original arcade game Z80 to 68K assembly.
PROGRESS:
The RE of the original code is about 65% complete.
The core transcode is about 34% complete.
NOTE: the 1st release will only run in 'tate' mode.
The Neo Geo port starting to be playable.
CREDITS:
- Mark McDougall (aka tcdev): RE of the original Z80 code
- tcdev: Neo Geo code and assets (conversion)
- blastar: NGFX SoundBuilder (Neo Geo sound tool)
- Namco: original game :)
| Status | In development |
| Rating | Rated 5.0 out of 5 stars (1 total ratings) |
| Author | tcdev |
Development log
- Displaying the scrolling objectsAug 03, 2025
- Transcode now 1/3rd done!Jul 08, 2025
- Can hop around in game modeJul 03, 2025
- Started on the gameplayJun 24, 2025
- Frogger for the Neo GeoJun 23, 2025

Comments
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I discovered you disassembled Vulgus and Tutankham, So maybe you can do Neo Geo versions of those games? I am hoping you can do a Neo Geo version of Mappy or Grobda next.
Vulgus I got stuck with the game logic, couldn't really follow it. But an automated transcode would work.
Tutankham I did a very, very long time ago, and IIRC only enough to patch it to run on the CoCo3. The hardware is bitmapped graphics, so it wouldn't work on the Neo Geo. At least, not without a lot of changes to how things are done.
Mappy I like, Grobda I'm sure I've seen it but can't recall it off-hand. There is a 68K version of Mappy on Namco Classics Vol 1. Would love to dive into that one day and see how they've implemented the old games on it... I wonder whether they wrote C versions of the code???
You did Xevious and Super Xevious which both had 68K versions on Namco Classics Vol 1, Meaning a chance of Mappy which is also on Namco Classics Vol 1 can happen.
Esse eu estou aguardando para ver :)
Awesome on the frogger project, thank you for working on a neo version!
Thanks! I'm hoping I can do a non-tate version too!