[Coco] Early 80s Ghostbuster music and printer demo?

[Allen Huffman]

Ghostbusters/printer demo: Urban legends of Mandela effect? I lived in Houston through 1984. There was a CoCo music demo that played the Ghostbusters theme song while printing. The printer was percussion to the music. The printout was the Ghostbusters logo.

Has anyone ever seen this demo? How does one bitbang and make music, anyway?

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