Full content from the completed page crawl (media download still running)

6,654 pages: 1,289 machines, 702 software, 460 companies, 64 history, 17 articles, 59 fun.
4,336 media files so far; references to files not downloaded yet are left out.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01YDRjtmAiNpo5mK5N3d7QwZ

content/museum/bit-corporation-bit-90.md

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+---
+title: BIT CORPORATION BIT 90
+categories:
+- Computers
+types:
+- Home Computer
+origins:
+- Korea
+years:
+- '1983'
+cpus:
+- Zilog Z80A
+params:
+  name: BIT 90
+  company: /companies/bit-corporation
+  company_name: BIT CORPORATION
+  specs:
+  - label: NAME
+    value: BIT 90
+  - label: MANUFACTURER
+    value: Bit Corporation
+  - label: TYPE
+    value: Home Computer
+  - label: ORIGIN
+    value: Korea
+  - label: YEAR
+    value: '1983'
+  - label: BUILT IN LANGUAGE
+    value: BIT90 Basic 3.1
+  - label: KEYBOARD
+    value: |-
+      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
+  - label: CPU
+    value: Zilog Z80A
+  - label: SPEED
+    value: 3.85 MHz
+  - label: CO-PROCESSOR
+    value: Texas Instruments TMS-9929A (Video Generator)
+  - label: RAM
+    value: 2 KB RAM (TMM2016AP) (up to 64 Kb), 1Kb left for programming
+  - label: VRAM
+    value: 16 KB VRAM (AM9016 x 8)
+  - label: ROM
+    value: 24 kb
+  - label: TEXT MODES
+    value: 32 x 24 with 16 colors
+  - label: GRAPHIC MODES
+    value: 64 x 48 (semi-graphic mode), 256 x 192
+  - label: COLORS
+    value: '16'
+  - label: SOUND
+    value: Texas Instruments SN76489AN soundchip, 3 voices, 5 octaves
+  - label: SIZE / WEIGHT
+    value: 330mm width x 214mm depth x 50mm heigth
+  - label: I/O PORTS
+    value: Cardridge slot, Cassette interface (2400 bauds), RGB video output, RF TV output, Audio output, 2 x Joystick port (DB9), Expansion Bus
+  - label: POWER SUPPLY
+    value: External PSU
+  - label: PERIPHERALS
+    value: Memory expansion, printer, disk drive, modem, RS232c interface
+  - label: PRICE
+    value: Unknown
+  tabs:
+  - photos
+  - adverts
+  - connectors
+  - docs
+  photos:
+  - title: BIT-90
+    subtitle: ''
+    text: Picture courtesy of [8-bit Nirvana](http://www.zock.com).
+    image: null
+  - title: FRONT PICTURE
+    subtitle: ''
+    text: This picture is courtesy of MSX.ORG
+    image: null
+  - title: ANOTHER PICTURE
+    subtitle: ''
+    text: Picture courtesy of [Stefan Walgenbach / HomeComputer.de](http://www.homecomputer.de/)
+    image: null
+  - title: BOX
+    subtitle: ''
+    text: Picture courtesy of Millon.com
+    image: null
+  adverts:
+  - title: GERMAN ADVERT
+    subtitle: ''
+    text: This is a German advertisement for the BIT-60 and BIT-90 models. Atari VCS-2600 cartridges are scattered in front of the BIT-60 to show that the it is really compatible with the VCS-2600 ! But strangely enough, there is no picture displayed on the TV. Were these models really working ? ;-)
+    image: null
+  connectors:
+  - title: POWER SUPPLY CONNECTOR
+    subtitle: ''
+    text: ''
+    image: null
+  - title: TAPE / VIDEO / SOUND CONNECTOR
+    subtitle: ''
+    text: ''
+    image: null
+  docs:
+  - title: BIT 90 OPERATION MANUAL
+    url: null
+    cover: null
+    text: |-
+      **BIT 90 OPERATION MANUAL**\
+      written by Bit Corporation
+
+       compiled/archived by www.retrocomputers.gr\
+       type of document : ZIP\
+       size : 9,37 Mb\
+       source : [www.retrocomputers.gr](https://www.retrocomputers.gr/)
+  comments:
+  - author: Ray (Netherlands)
+    date: Wednesday 6th September 2017
+    text: 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.
+  - author: Laios (Greece)
+    date: Friday 11th July 2014
+    text: |-
+      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
+  - author: Fernando L
+    date: Sunday 19th May 2013
+    text: 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''.
+  - author: mangler (The vatican)
+    date: Saturday 4th September 2010
+    text: wot channel/band did the rftv output on @:)
+  - author: Lisias Toledo (Earth)
+    date: Tuesday 19th March 2002
+    text: |-
+      Hi! When younger, I won a bit-90 computer and one thing I remember well is that it had a connector on the left side where I could put COLECO cartridges!!!!! 8-).\
+      I remember playing Zaxxon for hours and hours... It worked even without\
+      joystick, as the bit-90 used the cursor keys as alias for joy1.
+
+      I miss it... 8-)
+  oc_id: 93
+  source:
+    url: https://web.archive.org/web/20230608154042/http://www.old-computers.com/museum/computer.asp?c=93
+    date: '2023-06-08'
+---
+
+This is an obscure and rare system, compatible with Colecovision cartridges, just like the [Coleco Adam computer](/museum/coleco-adam/). Apparently, BIT Corporation was involved in the development of the Colecovision project. So this system is maybe not a outlaw project after all.
+
+This computer had a completely rubber keyboard a bit like the [ZX-Spectrum](/museum/sinclair-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](/museum/bit-corporation-bit-60/), the BIT 90 could directly accept [Colecovision](/museum/colecovision/) cartridges, and [Atari 2600](/museum/atari-vcs-2600/) cartridges through a special interface.
+
+The BIT-90 bears a striking resemblance with the [Sega SC-3000](/museum/sega-sc-3000-sc-3000h/) computer. It is not compatible, but share a lof things in common. The main common point is that they are both designed around the powerful Texas-Instruments Video Display Processor TMS-9929A which was revolutionnary for the time. A lot of systems used it, and that explains the common feeling when using them: Colecovision, Creativision, MSX computers, Sega SG-1000, Sega-SC3000, Tomy Tutor, Casio PV-1000/2000, etc.. not to forget the TI-99/4 which of course the first to use that VDP.
+
+The BIT-90, like the BIT-60 seems to have been available in different colored models, at least one white and one grey.
+
+Maybe due to legal problems, this computer didn't last long.
+
+<table> <tr> <td></td> <td>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.</td> <td></td> </tr> </table>