CP-450 explained

Manufacturer:	Prológica
Type:	floppy disk drive interface
Os:	DOS-400
Memory:	16 KB RAM
CP 450

CP 450 was a large cabinet containing a floppy disk drive interface, exactly like the TRS-80 Color Computer, manufactured by Prológica, a computer company located in Brazil.^{[1] [2]}

General information

The standard operating system is DOS-400, an adapted and renamed copy of disk Extended Color BASIC (DECB or RSDOS).^[3] It was also possible to run other operating systems, such as Microware OS-09 and TSC Flex9. Using OS-9 allowed the user to access all 64 KB of RAM available on this particular version of the CP 400.^[3]

The CP 450 units stopped being manufactured at the end of 1986, along with other accessories suitable for the CP 400.^[3]

Bibliography

• Micro Computador - Curso Básico. Rio de Janeiro: Rio Gráfica, 1984, v. 1, pp. 49–50.
• ABREU, Carlos Alberto C. 77 programas para linha TRS-80. Rio de Janeiro: Microkit, 1985.

Notes and References

1. Web site: Evolução da Computação no Brasil e sua Relação Com Fatos Internacionais. Marilza de Lourdes Cardi. Portuguese. 2002-01-01. 2021-09-23.
2. Web site: Mais Uma Alternativa Para o CP-400 Color. Geração Prológica. Portuguese. 2021-09-26.
3. Web site: DOS 400 Sistema de Operação de Disco. Editele. Portuguese. 2021-09-25.