Wiktionary
bitpop
n. (context neologism English) A genre of electronic music based on the sound chips of older (8-bit or 16-bit) computers, but often combined with modern equipment and vocals.
Wikipedia
Bitpop
Bitpop is a type of electronic music and subgenre of chiptune music, where at least part of the music is made using the sound chips of old 8-bit (or 16-bit) computers and video game consoles.