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B > BIT CORPORATION  > BIT 90   


BIT CORPORATION
BIT 90

This computer had a completely rubber keyboard a bit like the ZX-Spectrum. Basic statements and graphic symbols could be accessed via combinations of "function" keys such as CTRL, BASIC, FCTN and a special symbol key.

The BIT-90 could display 16 colors and 32 sprites, with a high-resolution of 256 x 192 pixels.

Like its little brother the BIT-60, the BIT 90 could directly accept Colecovision cartridges, and Atari 2600 cartridges through a special interface.

The BIT-90 is also supposed to be a Sega SC-3000 clone with which it bears a striking resemblance.

The BIT-90, like the BIT-60 seems to have been available in different colored models, at least one white and one grey.
Surely due to legal problems, this computer didn't last long.

We need more info about this computer ! If you designed, used, or have more info about this system, please send us pictures or anything you might find useful.

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I got this computer when I was 10 years. played a few games (had 5 or so). Does anyone know how I can find games for this computer. It still workes fine.

          
Wednesday 6th September 2017
Ray (Netherlands)

Coleco carts work but not all of them
also can not assign 2nd fire button to joystick for games
that use it so you have to use one button in keyboard and one in joystick

          
Friday 11th July 2014
Laios  (Greece)

I owned a Bit-90 when I was child and I always remember that everytime started to program, after a few lines it showed "Out of memory". Now I understand why, it has 1KB of RAM!! Great memories of 80''.

          
Sunday 19th May 2013
Fernando L

 

NAME  BIT 90
MANUFACTURER  Bit Corporation
TYPE  Home Computer
ORIGIN  Korea
YEAR  ? 1983
BUILT IN LANGUAGE  Basic
KEYBOARD  Rubber keyboard, 66 keys with Basic statements and graphic symbols
ESC, CAPS LOWER, SHIFT (x2), CTRL, BASIC, FCTN, RETURN, BS (backspace), DEL, INS, RETURN, RST (Reset), arrow keys, symbol key
CPU  Zilog Z80A
SPEED  3.85 MHz
CO-PROCESSOR  Texas Instruments TMS-9929 (Video Generator)
RAM  18 kb (up to 64 kb), 1k left for programming
ROM  24 kb
TEXT MODES  32 x 24 with 16 colors
GRAPHIC MODES  64 x 48 (semi-graphic mode), 256 x 192
COLORS  16
SOUND  3 voices, 5 octaves
SIZE / WEIGHT  Unknown
I/O PORTS  Cardridge slot, Cassette interface (2400 bauds), RGB video output, RF TV output, Audio output, 2 x Joystick port (Atari standard), Expansion Bus
POWER SUPPLY  External PSU
PERIPHERALS  Memory expansion
PRICE  Unknown


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