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Original SID Patent - http://www.delphion.com/details?pn=US04677890__
Detailed (but legendarily inaccurate) description of SID chip. |
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SidStation - http://www.sidstation.com/
MIDI-controlled synthesizer with realtime controllers. |
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HardSID - http://www.hardsid.com/
SID 6581/8580 hardware card for PCs. |
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SID in-depth information site - http://sid.kubarth.com/
Site about the 6581, 8580 and 6582 Sound Interface Devices (SID) with photos and technical specifications. |
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SidStation - http://www.analogue.org/network/sidstation.htm
Details and specifications of the SidStation MIDI-controlled synthesizer. |