TRS-80 Color Computer (English Wikipedia)

"Coco 3 Graphics". Archived from the original on 2021-06-25. Retrieved 2021-06-25.
The Forgotten Graphics Mode Semigraphics-24 Archived 2015-02-16 at the Wayback Machine, By Robert Gault, Date: Feb 10, 2010, What's In a Name? Coco ? It Sure Ain't Hot Chocolate

acessa.com

Soares, Gustavo (2022-12-02). "Documentário conta como nasceram os primeiros jogos de computador brasileiros - Juiz de Fora/MG". Acessa.com. Archived from the original on 2022-12-20. Retrieved 2022-12-20.

amxprojects.com

Campos, Daniel. "Color 64: Uma raridade carioca! | AMX PROJECT" (in European Portuguese). Archived from the original on 2023-03-20. Retrieved 2023-03-20.
Campos, Daniel. "Codimex CD-6809: A tríade agora está completa! | AMX PROJECT" (in European Portuguese). Archived from the original on 2023-03-28. Retrieved 2023-03-20.

archive.org

Ahrens, Tim; Browne, Jack; Scales, Hunter (March 1981). "What's Inside Radio Shack's Color Computer?". BYTE. Vol. 6, no. 3. pp. 90–130. Retrieved 14 June 2014.
White, Ron (August 1987). Maloney, Eric (ed.). "The Tandy Story". 80 Micro. Peterborough, NH: CW Communications: 50–64. ISSN 0744-7868. Retrieved April 4, 2023 – via Internet Archive. [...] the Color Computer was Tandy's answer to the popularity of the Commodore Vic-20 as an inexpensive computer for home use.
Libes, Sol (February 1980). "Motorola, Tandy and Western Union Introduce "Green Thumb" Systems". BYTE. Vol. 5, no. 2. p. 70.
Miastkowski, Stan (May 1981). "Extended Color BASIC for the TRS-80 Color Computer". BYTE. Vol. 6, no. 5. pp. 37–45. Retrieved 18 October 2013.
"Pipeline". The Rainbow. Vol. II, no. 3. September 1982. p. 56. Retrieved 17 October 2013.
Green, Wayne (December 1982). "Is the Shack in real trouble?". 80 Micro (editorial). pp. 8, 10, 12. Retrieved 2020-02-29.
"Computers in Taiwan, R.O.C: Color computer and BTC-14000 terminal from SAMPO CO". BYTE. Vol. 7, no. 11. November 1982. p. 192-22.
"Introducing a duet of SAMPO computer products!". BYTE (Advertisement). Vol. 7, no. 11. November 1982. pp. 192–7.

atarimagazines.com

Ahl, David H. (December 1984). "Top 12 computers of 1984". Creative Computing. Archived from the original on 2019-05-12. Retrieved 2019-03-16.
Juge, Ed (October 1985). "News for the top: what's really going on at Tandy". Creative Computing. p. 108. Archived from the original on 18 October 2016. Retrieved 14 October 2016.

books.google.com

G. Pitre, Boisy; Loguidice, Bill (2013). CoCo: The Colorful History of Tandy's Underdog Computer. Europe: CR Press. p. 19. ISBN 9781466592483. Archived from the original on 12 April 2024. Retrieved 16 February 2018.
Freiberger, Paul (1981-08-31). "Radio Shack Prepares for the Future". InfoWorld. Vol. 3, no. 17. pp. 51, 53–54. Archived from the original on 2024-02-07. Retrieved 26 October 2016.
G. Pitre, Boisy; Loguidice, Bill (2013). CoCo: The Colorful History of Tandy's Underdog Computer. Europe: CR Press. p. 3. ISBN 9781466592483. Archived from the original on 12 April 2024. Retrieved 16 February 2018.

cococommunity.net

"How to Build a Matchbox CoCo – CoCoDaddy". Archived from the original on 2018-10-12. Retrieved 2018-10-11.

cocopedia.com

"Color Computer FAQ - CoCopedia - the Tandy/Radio Shack Color Computer Wiki". Archived from the original on 2021-06-25. Retrieved 2021-06-25.

colorcomputerarchive.com

"MC6847T1 MOS Video Display Generator (Motorola)" (PDF). Color Computer Archive. Archived (PDF) from the original on 2021-01-22. Retrieved 2022-05-15.

computadoresbrasileiros.wordpress.com

"Codimex CD6809". Família TRS Color (in Brazilian Portuguese). 2020-08-03. Archived from the original on 2023-03-20. Retrieved 2023-03-20.

datacassete.com.br

"Equipamentos: Color 64" (PDF). Micro Sistemas. August 1983. p. 46. Archived from the original (PDF) on 2014-10-22.

datassette.org

"Microcomputador Varix VC50 - Operação". Datassette (in Brazilian Portuguese). 2019-07-01. Archived from the original on 2023-03-21. Retrieved 2023-03-21.

ed.gov

files.eric.ed.gov

Information Technology for Agricultural America (PDF). Washington, D.C.: U.S. Government Printing Office. 1983. p. 327. Archived (PDF) from the original on 2021-02-27. Retrieved 2020-07-25.

epocalc.net

"epocalc - Computer models database". www.epocalc.net. Archived from the original on 2023-03-21. Retrieved 2023-03-21.

jogos80.com.br

Scharf, Luciano (July 2019). "Varix VC 50 História e Legado do Mítico TRS-80 Color Nacional" (PDF). Revista Jogos 80 (in Portuguese). No. 21. pp. 60–64. Archived (PDF) from the original on 2023-03-25. Retrieved 2023-03-21.

nitros9.org

"NitrOS-9 operating system for the Tandy/Radio Shack Color Computer". Archived from the original on 2008-06-28. Retrieved 2008-06-11.

nytimes.com

Sims, Calvin (31 July 1986). "5 Models Introduced By Tandy". The New York Times. Archived from the original on 10 March 2016. Retrieved 19 October 2015.

oldplayers.com.br

brancorp2000 (2021-02-17). "Review de um LZ Color 64". OLDPLAYERS (in Brazilian Portuguese). Archived from the original on 2023-03-20. Retrieved 2023-03-20.{{cite web}}: CS1 maint: numeric names: authors list (link)

optusnet.com.au

members.optusnet.com.au

Nickolas Marentes. "In Search of 256". Archived from the original on 2008-07-24. Retrieved 2008-06-11.
"System09 VHDL 6809 System on a Chip". members.optusnet.com.au. Archived from the original on 2021-04-11. Retrieved 2021-04-11.

patreon.com

"RealCoCo". Archived from the original on 2021-10-27. Retrieved 2021-10-27.

redescolar.org.mx

blogs.redescolar.org.mx

"Red Escolar y el modelo de uso de las Tecnologías de la Información y la Comunicación en Educación". 4º Encuentro Nacional de Red Escolar (in Spanish). October 16, 2006. Archived from the original on December 26, 2007. Retrieved 2008-06-11.

roust-it.dk

Lomont, Chris (July 2006). "Chris Lomont's Color Computer 1/2/3 Hardware Programming" (PDF). www.lomont.org. Archived (PDF) from the original on 27 November 2020. Retrieved 5 May 2020.

sbt.com.br

"Sistema Brasileiro de Televisão - SBT". www.sbt.com.br. Archived from the original on 2022-12-20. Retrieved 2022-12-20.

st-hubert.org

"Tournée des St-Hubert par Mylène et Denis". Archived from the original on 2022-12-17. Retrieved 2022-12-17.

terasic.com.tw

"Altera DE1 Board". Terasic Technologies. Archived from the original on 2021-04-11. Retrieved 2021-04-11.

tk90x.com.br

"Clube do TK90X". www.tk90x.com.br. Archived from the original on 2022-12-19. Retrieved 2022-12-19.

unc.edu

cs.unc.edu

Semi-graphics-6 display mode Archived 2019-11-09 at the Wayback Machine, By William J. Yakowenko, 25-Mar-1996, University of North Carolina Department of Computer Science Archived 2024-04-09 at the Wayback Machine

velasco.com.br

"ITENS DO FABRICANTE: Prológica". Marcos Velasco - Museu de Tecnologia e Software. Archived from the original on 2023-01-06. Retrieved 2023-01-06.
"Codimex CD-6809". MV - Marcos Velasco Software. Archived from the original on 2023-03-20. Retrieved 2023-03-20.

vintagecomputer.ca

"AgVision Videotex terminal". Vintage Computer. 2016-12-22. Archived from the original on 2018-04-17. Retrieved 16 April 2018.

web.archive.org

Information Technology for Agricultural America (PDF). Washington, D.C.: U.S. Government Printing Office. 1983. p. 327. Archived (PDF) from the original on 2021-02-27. Retrieved 2020-07-25.
G. Pitre, Boisy; Loguidice, Bill (2013). CoCo: The Colorful History of Tandy's Underdog Computer. Europe: CR Press. p. 19. ISBN 9781466592483. Archived from the original on 12 April 2024. Retrieved 16 February 2018.
"AgVision Videotex terminal". Vintage Computer. 2016-12-22. Archived from the original on 2018-04-17. Retrieved 16 April 2018.
Freiberger, Paul (1981-08-31). "Radio Shack Prepares for the Future". InfoWorld. Vol. 3, no. 17. pp. 51, 53–54. Archived from the original on 2024-02-07. Retrieved 26 October 2016.
"Tournée des St-Hubert par Mylène et Denis". Archived from the original on 2022-12-17. Retrieved 2022-12-17.
http://tandycoco.com/coco2.shtml Sources: Sam's Computer facts CC15: Radio Shack TRS-880 Color Computer Models: 26-3134, 26-3136 - Howard W. Sams & Co. and Tandy's Little Wonder - the Color Computer: 1980-1991 - Frank G. Swygert, Published by FARNA Systems
Ahl, David H. (December 1984). "Top 12 computers of 1984". Creative Computing. Archived from the original on 2019-05-12. Retrieved 2019-03-16.
Juge, Ed (October 1985). "News for the top: what's really going on at Tandy". Creative Computing. p. 108. Archived from the original on 18 October 2016. Retrieved 14 October 2016.
Sims, Calvin (31 July 1986). "5 Models Introduced By Tandy". The New York Times. Archived from the original on 10 March 2016. Retrieved 19 October 2015.
"Color Computer FAQ - CoCopedia - the Tandy/Radio Shack Color Computer Wiki". Archived from the original on 2021-06-25. Retrieved 2021-06-25.
Lomont, Chris (July 2006). "Chris Lomont's Color Computer 1/2/3 Hardware Programming" (PDF). www.lomont.org. Archived (PDF) from the original on 27 November 2020. Retrieved 5 May 2020.
"Coco 3 Graphics". Archived from the original on 2021-06-25. Retrieved 2021-06-25.
Nickolas Marentes. "In Search of 256". Archived from the original on 2008-07-24. Retrieved 2008-06-11.
"NitrOS-9 operating system for the Tandy/Radio Shack Color Computer". Archived from the original on 2008-06-28. Retrieved 2008-06-11.
Semi-graphics-6 display mode Archived 2019-11-09 at the Wayback Machine, By William J. Yakowenko, 25-Mar-1996, University of North Carolina Department of Computer Science Archived 2024-04-09 at the Wayback Machine
The Forgotten Graphics Mode Semigraphics-24 Archived 2015-02-16 at the Wayback Machine, By Robert Gault, Date: Feb 10, 2010, What's In a Name? Coco ? It Sure Ain't Hot Chocolate
"MC6847T1 MOS Video Display Generator (Motorola)" (PDF). Color Computer Archive. Archived (PDF) from the original on 2021-01-22. Retrieved 2022-05-15.
G. Pitre, Boisy; Loguidice, Bill (2013). CoCo: The Colorful History of Tandy's Underdog Computer. Europe: CR Press. p. 3. ISBN 9781466592483. Archived from the original on 12 April 2024. Retrieved 16 February 2018.
"Altera DE1 Board". Terasic Technologies. Archived from the original on 2021-04-11. Retrieved 2021-04-11.
"System09 VHDL 6809 System on a Chip". members.optusnet.com.au. Archived from the original on 2021-04-11. Retrieved 2021-04-11.
"How to Build a Matchbox CoCo – CoCoDaddy". Archived from the original on 2018-10-12. Retrieved 2018-10-11.
"RealCoCo". Archived from the original on 2021-10-27. Retrieved 2021-10-27.
Dragon Archive History Worldofdragon.org Archived 2010-04-12 at the Wayback Machine
"1000BiT - Computers list by manufacturer". www.1000bit.it. Archived from the original on 2022-12-19. Retrieved 2022-12-19.
"ITENS DO FABRICANTE: Prológica". Marcos Velasco - Museu de Tecnologia e Software. Archived from the original on 2023-01-06. Retrieved 2023-01-06.
"Sistema Brasileiro de Televisão - SBT". www.sbt.com.br. Archived from the original on 2022-12-20. Retrieved 2022-12-20.
Soares, Gustavo (2022-12-02). "Documentário conta como nasceram os primeiros jogos de computador brasileiros - Juiz de Fora/MG". Acessa.com. Archived from the original on 2022-12-20. Retrieved 2022-12-20.
Scharf, Luciano (July 2019). "Varix VC 50 História e Legado do Mítico TRS-80 Color Nacional" (PDF). Revista Jogos 80 (in Portuguese). No. 21. pp. 60–64. Archived (PDF) from the original on 2023-03-25. Retrieved 2023-03-21.
"Micro Varix 50 - TRS Color". Clube Old Bits (in Portuguese). 2016-03-03. Archived from the original on 2016-03-03. Retrieved 2023-03-21.
"Microcomputador Varix VC50 - Operação". Datassette (in Brazilian Portuguese). 2019-07-01. Archived from the original on 2023-03-21. Retrieved 2023-03-21.
"epocalc - Computer models database". www.epocalc.net. Archived from the original on 2023-03-21. Retrieved 2023-03-21.
"Equipamentos: Color 64" (PDF). Micro Sistemas. August 1983. p. 46. Archived from the original (PDF) on 2014-10-22.
brancorp2000 (2021-02-17). "Review de um LZ Color 64". OLDPLAYERS (in Brazilian Portuguese). Archived from the original on 2023-03-20. Retrieved 2023-03-20.{{cite web}}: CS1 maint: numeric names: authors list (link)
Campos, Daniel. "Color 64: Uma raridade carioca! | AMX PROJECT" (in European Portuguese). Archived from the original on 2023-03-20. Retrieved 2023-03-20.
Campos, Daniel. "Codimex CD-6809: A tríade agora está completa! | AMX PROJECT" (in European Portuguese). Archived from the original on 2023-03-28. Retrieved 2023-03-20.
"Codimex CD6809". Família TRS Color (in Brazilian Portuguese). 2020-08-03. Archived from the original on 2023-03-20. Retrieved 2023-03-20.
"Codimex CD-6809". MV - Marcos Velasco Software. Archived from the original on 2023-03-20. Retrieved 2023-03-20.
"Clube do TK90X". www.tk90x.com.br. Archived from the original on 2022-12-19. Retrieved 2022-12-19.
"Red Escolar y el modelo de uso de las Tecnologías de la Información y la Comunicación en Educación". 4º Encuentro Nacional de Red Escolar (in Spanish). October 16, 2006. Archived from the original on December 26, 2007. Retrieved 2008-06-11.

worldcat.org

search.worldcat.org

White, Ron (August 1987). Maloney, Eric (ed.). "The Tandy Story". 80 Micro. Peterborough, NH: CW Communications: 50–64. ISSN 0744-7868. Retrieved April 4, 2023 – via Internet Archive. [...] the Color Computer was Tandy's answer to the popularity of the Commodore Vic-20 as an inexpensive computer for home use.

worldofdragon.org

archive.worldofdragon.org

Dragon Archive History Worldofdragon.org Archived 2010-04-12 at the Wayback Machine

xpg.com.br

cobit.xpg.com.br

"Micro Varix 50 - TRS Color". Clube Old Bits (in Portuguese). 2016-03-03. Archived from the original on 2016-03-03. Retrieved 2023-03-21.