[MAME] ABL 4 Player System (preliminary, no sound, graphics & timing issues)

Channel:
United Kingdom David 'mamehaze' Haywood
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Published on ● Video Link: https://www.youtube.com/watch?v=BBQOq2VXMgM


Duration: 12:08
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This is another bit of progress from earlier in the year that eventually stalled. This runs on the same hardware as Konami's Track & Field Challenge and My 1st Dance Dance Revolution; a G65816 based 'System on a Chip' setup. Unfortunately I think there might be a small internal ROM containing the code for one of the interrupt functions, and this might be important for having working sound (or the 3rd glob on the board might be) as I see nothing that looks like sound accesses. Video and timers could probably be improved without that however. Running custom code on this system to look for an internal ROM is difficult due to the game data being stored in a COB/glob mounted directly to the main PCB, making replacing it tricky.



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