MOS Technology 6581 (English Wikipedia)

"6581 Sound Interface Device (SID) Chip Specifications". Commodore 64 Programmer's Reference Guide (PDF) (1 ed.). Wayne, Pennsylvania: Commodore Business Machines, Inc. 1982. p. 457. ISBN 9780672220562. Archived (PDF) from the original on 2019-07-05. Retrieved 2019-07-05.

cnn.com

edition.cnn.com

Griggs, Brandon (2011-05-09). "The Commodore 64, that '80s computer icon, lives again". CNN. Archived from the original on 2019-07-04. Retrieved 2014-11-17.

codebase64.org

Alstrup, Asger (2015-04-17). "Examination of SID noise waveform". SID - Sound & Music. Codebase64. Archived from the original on 2019-07-04.

csdb.dk

Mixer; SounDemoN; The Human Code Machine (2008-10-29). "Vicious Sid (2008)". Commodore 64 Scene Database. Archived from the original on 2019-07-04.

doi.org

Perry, Tekla S.; Wallich, Paul (March 1985). "Design case history: the Commodore 64" (PDF). IEEE Spectrum. 22 (3). IEEE: 48–58. doi:10.1109/MSPEC.1985.6370590. ISSN 0018-9235. S2CID 11900865. Archived from the original (PDF) on 2019-07-04. Retrieved 2011-11-12.

ghostarchive.org

Archived at Ghostarchive and the Wayback Machine: Replica Sound Cards - AdLib, Innovation SSI-2001, and SwinSID Ultimate., 9 July 2018, retrieved 2019-08-01

ieee.org

spectrum.ieee.org

Perry, Tekla S.; Wallich, Paul (March 1985). "Design case history: the Commodore 64" (PDF). IEEE Spectrum. 22 (3). IEEE: 48–58. doi:10.1109/MSPEC.1985.6370590. ISSN 0018-9235. S2CID 11900865. Archived from the original (PDF) on 2019-07-04. Retrieved 2011-11-12.

kevtris.org

Horton, Kevin. "Remarked SID Chips Sold as New". SID. Archived from the original on 2019-07-04.

mssiah.com

"MSSIAH Cartridge - MIDI Hardware and Software for the Commodore 64!". www.mssiah.com.

oth4.com

sid.oth4.com

"The SID 6581/8580 Recordings Archive". jme. Archived from the original on 2019-07-04.

oxyron.de

Graham (2014). "SID 6581/8580 (Sound Interface Device) reference". 8 bit IC register reference. Oxyron. Archived from the original on 2019-07-04.

polynominal.com

"Commodore 64 SID chip".

semanticscholar.org

api.semanticscholar.org

Perry, Tekla S.; Wallich, Paul (March 1985). "Design case history: the Commodore 64" (PDF). IEEE Spectrum. 22 (3). IEEE: 48–58. doi:10.1109/MSPEC.1985.6370590. ISSN 0018-9235. S2CID 11900865. Archived from the original (PDF) on 2019-07-04. Retrieved 2011-11-12.

sourceforge.net

kenchis. "Java SID Player Music Library V2". SourceForge. Archived from the original on 2019-07-05. Retrieved 2019-07-05.

psid64.sourceforge.net

rolandh. "PSID64". SourceForge. Archived from the original on 2019-07-05. Retrieved 2019-07-05.

ucapps.de

Klose, Thorsten (2019-05-24). "MIDIbox SID V2 - User Manual". MIDIbox Projects. Archived from the original on 2019-07-04. Retrieved 2019-07-04.

uwaterloo.ca

ist.uwaterloo.ca

"MJK's Commodore Hardware Overview: Commodore 64".

web.archive.org

"6581 Sound Interface Device (SID) Chip Specifications". Commodore 64 Programmer's Reference Guide (PDF) (1 ed.). Wayne, Pennsylvania: Commodore Business Machines, Inc. 1982. p. 457. ISBN 9780672220562. Archived (PDF) from the original on 2019-07-05. Retrieved 2019-07-05.
Griggs, Brandon (2011-05-09). "The Commodore 64, that '80s computer icon, lives again". CNN. Archived from the original on 2019-07-04. Retrieved 2014-11-17.
Perry, Tekla S.; Wallich, Paul (March 1985). "Design case history: the Commodore 64" (PDF). IEEE Spectrum. 22 (3). IEEE: 48–58. doi:10.1109/MSPEC.1985.6370590. ISSN 0018-9235. S2CID 11900865. Archived from the original (PDF) on 2019-07-04. Retrieved 2011-11-12.
Klose, Thorsten (2019-05-24). "MIDIbox SID V2 - User Manual". MIDIbox Projects. Archived from the original on 2019-07-04. Retrieved 2019-07-04.
"New revolutionary C64 music routine unveiled". 1xn.org. 2008-11-04. Archived from the original on 2012-02-04.
Mixer; SounDemoN; The Human Code Machine (2008-10-29). "Vicious Sid (2008)". Commodore 64 Scene Database. Archived from the original on 2019-07-04.
Graham (2014). "SID 6581/8580 (Sound Interface Device) reference". 8 bit IC register reference. Oxyron. Archived from the original on 2019-07-04.
Alstrup, Asger (2015-04-17). "Examination of SID noise waveform". SID - Sound & Music. Codebase64. Archived from the original on 2019-07-04.
"6581 Sound Interface Device (SID)" (PDF). Commodore Semiconductor Group. October 1982. Archived (PDF) from the original on 2019-07-05. Retrieved 2019-05-07.
Horton, Kevin. "Remarked SID Chips Sold as New". SID. Archived from the original on 2019-07-04.
"The SID 6581/8580 Recordings Archive". jme. Archived from the original on 2019-07-04.
"Stone Oakvalley's Authentic SID Collection (SOASC=)". Stone Oakvalley Studios. Archived from the original on 2019-07-04.
"SID File Format Description" (TXT). High Voltage SID Collection. Archived from the original on 2019-07-05. Retrieved 2019-07-05.
kenchis. "Java SID Player Music Library V2". SourceForge. Archived from the original on 2019-07-05. Retrieved 2019-07-05.
rolandh. "PSID64". SourceForge. Archived from the original on 2019-07-05. Retrieved 2019-07-05.
Bauer, Christian. "SIDPlayer". Archived from the original on 2019-07-05. Retrieved 2019-07-05.
Lankila, Antti. "JSIDPlay2: a cross-platform SID player and C64 emulator". Archived from the original on 2012-01-16.
Archived at Ghostarchive and the Wayback Machine: Replica Sound Cards - AdLib, Innovation SSI-2001, and SwinSID Ultimate., 9 July 2018, retrieved 2019-08-01

worldcat.org

search.worldcat.org

Perry, Tekla S.; Wallich, Paul (March 1985). "Design case history: the Commodore 64" (PDF). IEEE Spectrum. 22 (3). IEEE: 48–58. doi:10.1109/MSPEC.1985.6370590. ISSN 0018-9235. S2CID 11900865. Archived from the original (PDF) on 2019-07-04. Retrieved 2011-11-12.
"Making Tracks: The Noble Art of Game Music". NEXT Generation. Vol. 1, no. 3. GP Publications Inc. March 1995. p. 49. ISSN 1078-9693.
Latimer, Joey (August 1989). "Innovation Sound Standard". Compute!. Vol. 11, no. 111. p. 68. ISSN 0194-357X. Retrieved 2013-11-11.

youtube.com

"Unepic SID Channel". YouTube.
Archived at Ghostarchive and the Wayback Machine: Replica Sound Cards - AdLib, Innovation SSI-2001, and SwinSID Ultimate., 9 July 2018, retrieved 2019-08-01