A friend of mine sent this pcb to check why the background was all messed up
I immediately noticed in demo mode that all the characters fell down in an endless loop because they couldn’t walk on the platforms
After searching for the fault in the video board for some days, I decided to test all roms starting from the program ones.
Program rom 04 didn’t match with anything in Mame and after checking the pattern I saw it was full of garbage.
After reprogramming with a good dump, the game was restored perfectly.
It seems rom 04 has only the layout of all levels because even without its presence the game is booting
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