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Codimex CD-6809

The Codimex CD-6809 was an 8-bit home computer produced in Brazil by the company Codimex Imp.Exp. de Computadores Ltda from Porto Alegre. It was introduced in early 1983, during the Brazilian "Market Reserve" period, and based on the TRS-80 Color Computer.

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Codimex CD-6809
Codimex CD-6809
ManufacturerCodimex
Released1983 (1983)
Lifespan1985 (1985)
Units sold380
Microsoft Extended Color BASIC, Tandy RSDOS, Microware OS-9, TSC Flex9
CPU6809E @ 0.895 / 1.79 MHz
Memory32 kB
DisplayRF out, PAL-M
GraphicsMC6847 video display generator
Sound6-bit DAC
TRS-80 Color Computer

The Codimex CD-6809 was an 8-bit home computer produced in Brazil by the company Codimex Imp.Exp. de Computadores Ltda from Porto Alegre.123 It was introduced in early 1983, during the Brazilian "Market Reserve" period, and based on the TRS-80 Color Computer.4567

The CD-6809 was the first Brazilian home computer compatible with the TRS-80 Color line.48 It was marketed as a computer for small business, entertainment and self employed professionals, and was sold with a 149-page user manual.910

Around 380 units were produced at the Porto Alegre plant.11 The machine can be emulated under MAME.12

Technical features

The basic features of the Codimex CD-6809 are similar to the TRS-80 Color Computer:2

  • CPU: Motorola 6809E, 895 kHz to 1.79 MHz
  • Memory:
    • ROM: 16 KB (containing "Color BASIC 1.1" and "Extended Color BASIC 1.0")
    • RAM: 32 KB
  • Keyboard:
    • Built-in, 53-keys
  • Display: Motorola 6847, 9 colors
    • Text mode (with 32 x 16 characters)
    • Low resolution graphics (with 64 x 32 pixels)
    • Medium and high resolution graphics (up to 256 x 192 pixels, 2 colors per pixel)
  • Expansion port (cartridges, 40 pin)
  • Other ports:

The machine had a unique "Reverse Video" switch on the back, that displayed a black background with green characters.2

See also

See also

References

References

  1. Campos, Daniel (2014-10-06). "Codimex CD-6809: A tríade agora está completa!". AMX PROJECT | Projetos para Amiga, Apple II e MSX (in Portuguese). Retrieved 2023-03-20.
  2. "Codimex CD6809". Família TRS Color (in Brazilian Portuguese). 2020-08-03. Retrieved 2023-03-20.
  3. "Codimex CD-6809". MV - Marcos Velasco Software. Retrieved 2023-03-20.
  4. "Equipamentos: CD-6809" (PDF). Micro Sistemas. No. 23. August 1983. p. 42.
  5. "Codimex 6809". www.old-computers.com. Retrieved 2023-03-20.
  6. leonardo (2015-08-13). "Como lançar um computador na reserva de mercado". Datassette (in Brazilian Portuguese). Retrieved 2023-03-20.
  7. "Codimex CD-6809 - Material de Lançamento". Datassette (in Brazilian Portuguese). 1983. Retrieved 2023-03-20.
  8. Daniel, Campos (2016). "The dawn of the CoCo clones in Brazil". Vintage is The New Old. Retrieved 2023-03-20.
  9. Roteiro de Apresentação de Projeto de Fabricação à Secretaria Especial de Informática. Codimex. 1982.
  10. Codimex CD-6809 - Manual Do Usuário (PDF). Codimex. 1983.
  11. Campos, Daniel (July 2013). "Entrevista: Davi Menda - Sócio-fundador da Codimex" (PDF). Jogos 80. No. 11. p. 17. Archived from the original (PDF) on 2016-10-27.
  12. "CD-6809". mame.spludlow.co.uk. Retrieved 2023-03-20.