Maker(s): MOS Technology Inc
Date: 1983
On display: yes
Object number: SHEVG.2025.1
Credit line: National Videogame Museum
Regarded as one of the most advanced sound chips of its time, the SID (Sound Interface Device) chip was a crucial component of the Commodore 64. The Commodore was a personal home computer introduced in 1982.
The SID chip is one of the more influential pieces of sound technology in videogame history. Its unique sound and style influenced entire generations of game developers, players and musicians.
The MOS Technology 6581, more commonly known as The SID Chip was a crucial component of the Commodore 64, a popular home computer that was introduced in 1982. It was responsible for generating sound and music in the C64, and it was regarded as one of the most advanced sound chips of its time.
The SID chip was developed by American engineer and electronic music hobbyist Robert ‘Bob’ Yannes. Yannes was inspired by the sounds of progressive rock bands of the 1970s, namely Emerson, Lake and Palmer, and their use of early synthesisers. Japanese videogame developers agreed, with composers from Nintendo and the Final Fantasy series both citing the American band as a core influence on early videogame music.
The SID chip had three oscillators, each of which could generate a variety of waveforms. These included sine, triangle, sawtooth, and pulse. It also had a filter that could be used to shape the sound and create interesting effects. The chip was capable of producing a wide range of sounds, from simple beeps to complex musical compositions.
One of the reasons the SID chip was so popular was because it was programmable. This allowed musicians and game developers to create custom sounds and music. As a result, it led to a thriving demo scene in the 1980s and 1990s. Programmers would create elaborate visual and musical demos to showcase their skills.
The SID chip also had a significant impact on the development of video game music. Many classic games for the C64, such as “The Last Ninja” and “Ghosts ‘n Goblins,” featured memorable soundtracks that were created using the SID chip.
These games helped to establish video game music as a legitimate form of artistic expression. Alongside the development of video game music, the genre of ‘chiptune’ was also born. This musical style is focused on sounds made from using arcade machines, video game consoles and other synthesiser technology in order to produce music.
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