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TK90X information


TK90X
TK90X — Brazilian ZX Spectrum clone
ManufacturerMicrodigital Eletrônica
TypeHome computer
Release date1985; 39 years ago (1985)
Operating systemSinclair BASIC
CPUZilog Z80A @ 3.58 MHz
Memory16KB or 48KB RAM
DisplayTV RF output (VHF channel 3), PAL-M, PAL-N, NTSC, 256 x 192, 15 colours
GraphicsCMOS IC
SoundSingle channel 1-bit DAC
Backward
compatibility		ZX Spectrum

The TK90X was a Brazilian ZX Spectrum clone made in 1985 by Microdigital Electrônica, a company from São Paulo, that had previously manufactured ZX80 (TK80, TK82) and ZX81 clones (TK82C, TK83 and TK85).[1][2][3]

Reported TK90X sales in October 1986 were 2500 machines per month.[4]

  1. ^ "TK-90X Microdigital". www.old-computers.com. Retrieved 2023-01-19.
  2. ^ Penix-Tadsen, Phillip (2019-05-20). Video Games and the Global South. Lulu Press, Inc. ISBN 978-0-359-64141-3.
  3. ^ Manchete (in Brazilian Portuguese). Block Editores. 1985.
  4. ^ "TK 95 chega ao mercado" (PDF). Micro Sistemas. November 1986. p. 16.

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TK90X

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The TK90X was a Brazilian ZX Spectrum clone made in 1985 by Microdigital Electrônica, a company from São Paulo, that had previously manufactured ZX80...

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Microdigital Eletronica

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(1981) TK83 (1982) TK85 (1983) TKS800 (1984 - vapourware) TK90X (1985) TK95 (1986) TK82C TK85 TK90X TK95 TK 2000 (1984) TK 2000/II (1985) TK-3000 IIe (1986)...

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(in Portuguese). 1 January 2002. Retrieved 1 July 2013. "Clube do TK90X". www.tk90x.com.br. Retrieved 19 December 2022. Wikimedia Commons has media related...

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ZX Spectrum

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were also clones produced in South America, such as the Brazilian-made TK90X and TK95, as well as the Argentine Czerweny CZ models. In the United Kingdom...

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"Microdigital" (in Portuguese). 2002-01-01. Retrieved 2013-07-01. "Clube do TK90X". www.tk90x.com.br. Retrieved 2022-12-19. "Sinclair Nostalgia Products - Sinclair...

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TK83

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a regular tape recorder) and a DIN joystick connector. "Clube do TK90X". www.tk90x.com.br. Retrieved 2024-02-16. "Os Pequenos Notáveis". Micro Sistemas...

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ZX Spectrum 48K. The TK90X also features a Sinclair-compatible joystick port. The TK95 microcomputer was the successor to the TK90X. Launched in November...

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recorder audio in/out Storage: Cassette tape (300 bauds) "Clube do TK90X". www.tk90x.com.br (in Portuguese). Retrieved 2023-01-20. "Directory:...

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ZX Spectrum character set

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can be found at memory address 23675/6 (0x5C7B/C) and can be changed. The TK90X, a Brazilian clone of the ZX Spectrum included an in ROM application to...

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TK82C

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more robust and with a better design. Microdigital later produced the TK90X and TK95, which were clones of the ZX Spectrum. TK82C is also a designation...

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TK95

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Eletrônica, a company located at São Paulo, Brazil. It was an evolution of the TK90X introduced the previous year. The case was redesigned (copied from the Commodore...

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TK85

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characters or 64 × 48 pixels graphics mode Graphics Discrete logic circuits Power 9V DC Backward compatibility ZX81 Predecessor TK83 Successor TK90X...

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Eletronica TK82C series Z80 1985 TV, monitor Cassette, cartridge ZX80, ZX81 TK90X Several models [citation needed] France Micronique Hector 1 8080 1979 TV...

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