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Custom IC: Sound: Beeper: Backward compatibility: ZX Spectrum: Predecessor: TK90X: The TK 95 microcomputer was a 1986 ... and the fans of the ZX Spectrum computer in ...
TK90X boot screen. The case was a little taller than the original Spectrum and the keyboard placement was equal to the original keyboard, except for some additional Sinclar BASIC commands that did not exist in the Spectrums (UDG for user defined characters in the place of the £ sign - including specific Portuguese and Spanish characters such as ç and ñ, as well as accented vowels - and the ...
Established in 1981 by the brothers George and Tomas Kovari (whose initials were the TK of the domestic computers line made by the company), its first product was the TK80, a clone of the British microcomputer Sinclair ZX80.
The TK80 was a home computer produced by Microdigital Eletrônica. [1] [2] [3] [4] A clone of the Sinclair ZX80, [5] [6] [7] it was introduced along with the TK82 in ...
The TK83 had the Zilog Z80A processor running at 3.25 MHz, 2 KB RAM (expandable to 64 KB) and 8 KB of ROM that included the BASIC interpreter. [3] [11] [9]The keyboard was made of layers of conductive (membrane) material and followed the Sinclair layout with 40 keys.
The TK85 was a ZX81 clone made by Microdigital Eletrônica, a computer company located in Brazil. [1] [2] [3] It came with 16 or 48 KB RAM, and had a ZX Spectrum–style case, similar to a Timex Sinclair 1500.
The TK-85 was introduced in May 1980 and was the successor to the TK-80E. It contained the μPD8085AC processor (2.4576 MHz) and has a system configuration that is considered to some extent for compatibility with the TK-80. Other specifications included 2 KB (Max. Up to 8 KB expandable) of ROM, 1 KB of RAM, while the board size was 310 × 220 mm.
Audio cables were supplied with the computer for connection with a regular tape recorder. As the data encoding was entirely done by software, some hacks were made available to allow much faster transfers. Hi-fi recorders were required in order to use the greater speeds with a minimum of reliability.
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