Engineering:Codimex CD-6809
 Codimex CD-6809 | |
| Manufacturer | Codimex |
|---|---|
| Release date | 1983 |
| Lifespan | 1985 |
| Units sold | 380 |
| Operating system | Microsoft Extended Color BASIC, Tandy RSDOS, Microware OS-9, TSC Flex9 |
| CPU | 6809E @ 0.895 / 1.79 MHz |
| Memory | 32 KB |
| Display | RF out, PAL-M |
| Graphics | MC6847 video display generator |
| Sound | 6-bit DAC |
| Backward compatibility | 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.[1][2][3] It was introduced in early 1983, during the Brazilian "Market Reserve" period, and based on the TRS-80 Color Computer.[4][5][6][7]
The CD-6809 was the first Brazilian home computer compatible with the TRS-80 Color line.[4][8] It was marketed as a computer for small business, entertainment and self employed professionals, and was sold with a 149-page user manual.[9][10]
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:
- 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
- Motorola 6809
- CP 400 COLOR
- LZ Color 64
- TRS-80 Color Computer
References
- ↑ Campos, Daniel. "Codimex CD-6809: A tríade agora está completa! | AMX PROJECT" (in pt-PT). http://amxprojects.com/?p=2658.
- ↑ 2.0 2.1 2.2 "Codimex CD6809" (in pt-BR). 2020-08-03. https://computadoresbrasileiros.wordpress.com/2020/08/03/codimex-cd6809/.
- ↑ "Codimex CD-6809". https://www.velasco.com.br/index.php?item=codimexcd6809.
- ↑ 4.0 4.1 "Equipamentos: CD-6809". Micro Sistemas (23): pp. 42. August 1983. https://datassette.s3.us-west-004.backblazeb2.com/revistas/micro_sistemas_023.pdf.
- ↑ "Codimex 6809". https://www.old-computers.com/museum/computer.asp?st=1&c=534.
- ↑ "Como lançar um computador na reserva de mercado" (in pt-br). 2015-08-13. https://datassette.org/2015/08/13/como-lancar-um-computador-na-reserva-de-mercado.
- ↑ "Codimex CD-6809 - Material de Lançamento" (in pt-br). 2015-04-26. https://datassette.org/manuais/tandy-trs-color/codimex-cd-6809-material-de-lancamento.
- ↑ Daniel, Campos (2016). "The dawn of the CoCo clones in Brazil" (in en-US). https://www.vintageisthenewold.com/the-dawn-of-the-coco-clones-in-brazil.
- ↑ "Codimex CD-6809 - Apresentação do Projeto para a Secretaria Especial de Informática" (in pt-br). 2015-05-05. https://datassette.org/manuais/tandy-trs-color/codimex-cd-6809-apresentacao-do-projeto-para-secretaria-especial-de.
- ↑ Codimex CD-6809 - Manual Do Usuário. Codimex. 1983. https://datassette.s3.us-west-004.backblazeb2.com/manuais/manual_codimex_cd-6809_0.pdf.
- ↑ Campos, Daniel (July 2013). "Entrevista: Davi Menda - Sócio-fundador da Codimex". Jogos 80 (11): pp. 17. http://garrettimus.org/Jogos80/jogos80-11.pdf.
- ↑ "CD-6809". https://mame.spludlow.co.uk/Machine.aspx?name=cd6809.
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