Broadly a chiptune, also known as chip music or 8-bit music is a piece of electronic music produced by using sound chips that were used in in home computer, game consoles or arcade machines popular in the 1980s into the 1990s. In spite of often being called "8-bit music", a chiptune can also refer to music made on computers with other bitsizes, such as 16-bit music.
- A modern implementation of chiptune synthesis by Philip Phelps. Appendix 4. Sound chip hardware research, details the various ICs that were used in systems of the 1980s and 1990s.