MOS Technology SID

The MOS Technology 6581/8580 SID (Sound Interface Device) was the built-in sound chip of Commodore's CBM-II, Commodore 64 and Commodore 128 home computers. It was one of the first sound chips of its kind to be included in a home computer prior to the digital sound revolution.

Related Topics:
MOS Technology - Sound chip - Commodore - CBM-II - Commodore 64 - Commodore 128 - Home computer - Digital sound revolution

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Together with the VIC-II chip, the SID was instrumental in making the C64 the best-selling computer in history, and is partly credited for initiating the demoscene.

Related Topics:
VIC-II - Demoscene

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The SID has US patent number 4,677,890, which was filed on February 27, 1983 and issued on July 7, 1987. The patent expired on July 7, 2004.

Related Topics:
US patent - February 27 - 1983 - July 7 - 1987 - 2004

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