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Museum of the Game® & International Arcade Museum® Forums
I was just fooling around with ultra tank and was annoyed with how clunky the graphics are.
Looking at the tilemap proms, a bunch of redundant tiles are solid blocks (0x20-0x29) even though the code writes different values to the screen ram:
Just for shits and giggles I hex edited the proms to make those 10 tiles distinct:
....and now the game looks a bit more modern:
Also of note, it looks like the game was designed to be in color if used with a Tank 8 / Sprint 8 color converter, so someone might want to play with that.