Coco Loco © 198? PETACO.
A Spanish bootleg/hack of Pac-Man that actually gives you 2 credits for the price of one and adds a turbo boost button.
The title can be transliterated as 'Crazy Ghost'. In Spain, Pac-Man clones are usually reffered to as 'Come Cocos' or 'Ghost Eater', Coco is a colloquial form to call a ghost or the boogey man in Spanish. In a similar fashion, Space Invaders and its clones are reffered as 'Mata Marcianos"' or 'Martian Killers'.
Game's ROM.