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
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2026-10-12 07:55:22 +02:00
co-authored by Claude Opus 5.5
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---
title: Sharp X1 (CZ-800C)
categories:
- Computers
types:
- Home Computer
origins:
- Japan
years:
- '1982'
cpus:
- Sharp Z80 A
params:
name: X1 (CZ-800C)
company: /companies/sharp
company_name: Sharp
specs:
- label: NAME
value: X1 (CZ-800C)
- label: MANUFACTURER
value: Sharp
- label: TYPE
value: Home Computer
- label: ORIGIN
value: Japan
- label: YEAR
value: '1982'
- label: KEYBOARD
value: Full-stroke keyboard
- label: CPU
value: Sharp Z80 A
- label: SPEED
value: 4 MHz
- label: RAM
value: 64 KB
- label: VRAM
value: 4 KB (up to 48 KB)
- label: ROM
value: 6 KB
- label: TEXT MODES
value: 40 / 80 x 25
- label: GRAPHIC MODES
value: 320 x 200 / 640 x 200
- label: COLORS
value: '8'
- label: SOUND
value: 3 voices PSG
- label: SIZE / WEIGHT
value: Unknown
- label: I/O PORTS
value: 2 x I/O ports, 2 x joysticks (Atari), audio out, keyboard, printer
- label: BUILT IN MEDIA
value: Tape
- label: OS
value: CP/M ?
- label: POWER SUPPLY
value: Built-in PSU
- label: PRICE
value: 155,000 yen (Japan)
tabs:
- photos
- hardware
- software
- links
- videos
photos:
- title: GREY MODEL
subtitle: ''
text: ''
image: null
- title: RED MODEL
subtitle: ''
text: ''
image: null
- title: REAR
subtitle: ''
text: ''
image: null
- title: INSIDE
subtitle: ''
text: ''
image: null
hardware:
- title: TOP VIEW
subtitle: ''
text: This original extension was at least usable with the X1 Turbo serie...
image: null
- title: I/O EXPANSION BOX
subtitle: ''
text: This box was used to multiply the input/output connectors and thus, possibilities of the X1 systems.
image: null
- title: FRONT
subtitle: ''
text: ''
image: null
- title: BACK
subtitle: ''
text: This extension box offers 4 I/O ports.
image: null
- title: FRONT
subtitle: ''
text: This extension was used to generate titles for video-tapes, among other things...
image: null
- title: BACK
subtitle: ''
text: A lot of connectors can be found at the back of the unit...
image: null
- title: FRONT
subtitle: ''
text: ''
image: null
links:
- title: Class X1
url: http://www2s.biglobe.ne.jp/~ITTO/x1/x1menu.html
text: In Japanese
- title: Japanese Computer Emulation Center
url: http://www.jcec.co.uk/x1games.htm
text: Lot of games for X1
videos:
- title: Sharp X1 japanese commercial
url: https://www.youtube.com/watch?v=7QxhgniF8Pg
text: 'Length: 15 s'
related:
- /museum/sharp-x1-c-cz-801c
- /museum/sharp-x1-ck-cz-804c
- /museum/sharp-x1-cs-cz-803c
- /museum/sharp-x1-d-cz-802c
- /museum/sharp-x1-turbo
- /museum/sharp-x1-turbo-iii
- /museum/sharp-x1-turbo-z-cz-880c
- /museum/sharp-x1-turbo-z-iii
software:
- /software/hydlide-3-the-space-memories
oc_id: 313
source:
url: https://web.archive.org/web/20230604003944/http://www.old-computers.com/museum/computer.asp?c=313
date: '2023-06-04'
---
This is the first member of the X1 family. Difficult to locate this computer in the Sharp family, it has some characteristics of the [MZ 2000](/museum/sharp-mz-2000/) but is not compatible with it.
The X1 family had a very great success in Japan, and the last models were very powerful. Go figure why Sharp didn't market these computers outside Japan… The most famous and strong feature of the X1 series is its Programmable Charactor Generator(PCG).
Tape Basic and Disk Basic were available but had to be loaded from tape. This is a concept that Sharp called "Clean Computer". X1 and MZ system (even X68000) do not have any Basic ROM or other OS ROM. They only have an "IPL ROM"(Initial Program Loader + IOCS) and a BIOS ROM. So if you want to use any OS with the X1 or MZ serie, you have to load it from external storage devices.
Sharp designed the X1 serie as an innovative multimedia system which could work with TV and video. The X1 serie has advanced features to display graphics and text over TV screens (superimpose feature). The X1 could achieve teletext functions without any additional peripherals (only the special X1 TV monitor which can be also used as a TV).
Sharp also released a "color image board" which was video capturing unit. Though it was working with 8 colours only, the result was astonishing for the time! The X1 was a real pionneer in multimedia market, but most people in Japan never realized this. The X68000 serie inherited from the X1 features.
**Joe Repka reports :**\
Bought one of these amazingly ahead-of-its-time computers when they first came out in Japan. First floppy device was a single-sided double-drive unit that cost 100,000 yen! SS floppy disks sold for about 1000 yen (USD 10.00) at that time.
<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>