yann64andClaude Opus 5.5
b274874139
1,289 discussions, 9,527 archived comments; pages no longer carry the comments themselves. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01YDRjtmAiNpo5mK5N3d7QwZ
253 lines
9.1 KiB
Markdown
253 lines
9.1 KiB
Markdown
---
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title: MicroAce
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categories:
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- Computers
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types:
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- Home Computer
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origins:
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- U.S.A.
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years:
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- '1980'
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cpus:
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- Z80
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params:
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name: MicroAce
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image: /media/museum/photos/microace_system_s1.jpg
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company: /companies/microace
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company_name: MICROACE
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specs:
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- label: NAME
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value: MicroAce
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- label: MANUFACTURER
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value: Microace
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- label: TYPE
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value: Home Computer
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- label: ORIGIN
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value: U.S.A.
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- label: YEAR
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value: '1980'
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- label: END OF PRODUCTION
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value: '1981'
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- label: BUILT IN LANGUAGE
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value: Sinclair Basic
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- label: KEYBOARD
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value: Membrane keyboard, 40 keys, 1 SHIFT key
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- label: CPU
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value: Z80
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- label: SPEED
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value: 3.25 MHz
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- label: RAM
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value: 1 KB, 901 bytes available (up to 2 KB on board)
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- label: ROM
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value: 4 KB
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- label: TEXT MODES
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value: 32 chars. x 22 lines
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- label: GRAPHIC MODES
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value: 64 x 44 dots
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- label: COLORS
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value: Monochrome
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- label: SOUND
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value: None
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- label: I/O PORTS
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value: Z80 Bus, tape, TV/RF video
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- label: POWER SUPPLY
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value: 9v DC, external PSU
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- label: PERIPHERALS
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value: 16 KB RAM extension
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- label: PRICE
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value: Unknown
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tabs:
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- photos
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- hardware
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- emulators
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- links
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- docs
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forum_thread: 1147
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photos:
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- title: MICROACE
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subtitle: ''
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text: Picture from www.1000bit.net
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image: /media/museum/photos/microace_system_s2.jpg
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- title: CIRCUIT DIAGRAM
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subtitle: ''
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text: Thanks to **Ivan Andrews**
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image: /media/museum/photos/microace_diagram_s1.jpg
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hardware:
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- title: 64 KB
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subtitle: from Suntroncis
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text: Suntronics T/S 1000 & ZX81 64K Memory Pack (Male Socket on Back, Female Socket on Front).
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image: /media/museum/hardware/timex_1000-suntronics-64k_1.jpg
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- title: TIMEX SINCLAIR 1016
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subtitle: 16k RAM extension
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text: ''
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image: /media/museum/hardware/timex_sinclair-1000_16kram-1016.jpg
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emulators:
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- title: EightyOne
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url: http://www.chuntey.com/eightyone/
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platform: Windows
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text: Excellent emulator emulating nearly all ZX computers (80, 81, Spectrums, Timex, etc.). As well as emulating the machines themselves, numerous addon cards are supported, including hi-res graphics, custom character sets, sound and colour cards.
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- title: VB81
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url: http://freestuff.grok.co.uk/vb81/
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platform: Windows
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text: Sinclair ZX81 Emulator (with Visual Basic sources). Excellent emulator
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- title: X-Tender
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url: http://www.delhez.demon.nl/
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platform: Windows
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text: The best ZX emulator for PC compatibles
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- title: ZX 81 Homepage
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url: http://www.maxon.de/homes/r_kurz/
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platform: Windows
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text: ''
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- title: ZX81
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url: http://www.w-4.de/~kurz/
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platform: Apple
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text: ''
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- title: XZ81
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url: http://www.zx81.nl/
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platform: Unix / Linux
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text: And other ZX-81 emulators there...
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- title: ZX-81 Emulator 2.1
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url: http://www.hh.schule.de/hhs/mjaap/ftp/zx81_v21.zip
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platform: Atari
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text: ''
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- title: Java ZX81 Emulator
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url: http://home.clara.net/rsergeant/
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platform: Other platform
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text: Java emulator
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- title: Timex/Sinclair 1000 Emulator (Java)
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url: http://www.vavasour.ca/jeff/trs80.html#ts1000
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platform: Other platform
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text: With this JAVA emulator, you'll be able to run a Timex/Sinclair 1000 in your browser window
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- title: zx81emu
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url: http://www.tlienhard.com/ap800.shtml
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platform: Other platform
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text: ZX-81 Emulator for the SonyEricsson P800 Smart Phone
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- title: MESS
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url: http://www.mess.org
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platform: Multiplatform
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text: MESS emulates the ZX-81, Lambda 8300, Power 3000 and other clones !
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links:
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- title: Achromic's ZX81 Site
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url: http://zx81.achromic.co.uk/
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text: A small, ZX81 fan site. With games and links to some emulators
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- title: DOCUMENTATION
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url: http://www.8bit.ht.st/
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text: The Lil Old Sinclair Computer Technical Information Repository
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- title: DOCUMENTATION
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url: http://web.ukonline.co.uk/sinclair.zx81/
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text: ZX-81 on-line manual. Great work !
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- title: Jame's Sinclair ZX-81 Page
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url: http://james.istop.com/zx81/
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text: Some technical infos and links
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- title: Planet Sinclair
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url: http://www.nvg.ntnu.no/sinclair/computers/zx81/zx81.htm
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text: Planet Sinclair has very interesting information on the ZX-81
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- title: Sinclair ZX Hardware Website
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url: http://www.xs4all.nl/~echorod/zx/index.htm
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text: Features designs to build your own Sinclair computer
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- title: The ZX81 Hardware and Software Collection
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url: http://zx81.atspace.com/
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text: Online museum for ZX81 hardware, software and literature
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- title: TS1000.US
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url: http://www.ts1000.us/
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text: Documentation, software, hardware tips and more
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- title: Zebra Systems, Inc.
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url: http://www.zebrasystems.com/zebrasystems/zx81/index.html
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text: Website where you can buy Timex/Sinclair products including ZX-81 kits !
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- title: ZX81 Collection
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url: http://www.zx81stuff.org.uk/
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text: Online collection of ZX81 tapes, books and hardware
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- title: ZX-81 forum
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url: http://zx81.tlienhard.com/
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text: A new ZX-81 forum. cool.
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- title: ZX81 Home Page
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url: http://www.honneamise.u-net.com/zx81/
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text: FAQ and ZX81 Charts.
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- title: ZX-81 The Archive
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url: http://www.imarshall.karoo.net/zx81/zx81technical.htm
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text: Lot of info here
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- title: ZX-81 webring
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url: http://www.zx81.de/webring/index.htm
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text: Very useful to explore other ZX-81 related sites
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- title: ZX-Team Homepage
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url: http://www.zx81.de/
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text: Quite a reference for the ZX-80, ZX-81, TS1000-1500, PC8300, Lambda and Jupiter Ace !
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- title: ZX-TEAM-homepage & ZX-81 Web-Ring
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url: http://www.zx81.de/
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text: Logically useful
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- title: Web Wiz CAPTCHA
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url: http://www.webwizcaptcha.com
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text: Sinclair computers
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docs:
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- title: SINCLAIR ZX-81 BASIC PROGRAMMING
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url: ftp://ftp.worldofspectrum.org/pub/sinclair/books/ZX81BASICProgramming.pdf
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cover: /media/museum/docs/couvs/sinclair_zx81_basic-programming.jpg
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text: |-
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[**SINCLAIR ZX-81 BASIC PROGRAMMING**](ftp://ftp.worldofspectrum.org/pub/sinclair/books/ZX81BASICProgramming.pdf)written by Sinclair Research Limited / Steven Vickers
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compiled/archived by Robin Stuart\
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type of document : PDF\
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size : 5,2 MB\
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source : [www.worldofspectrum.org](http://www.worldofspectrum.org/)
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**... READ THE ONLINE VERSION BY CLICKING BELOW :**
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- title: TIMEX SINCLAIR 1000 - USER MANUAL
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url: http://www.ts1000.us/usermanuals.htm
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cover: /media/museum/docs/couvs/timex-sinclair_1000_user-manual.jpg
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text: |-
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[**TIMEX SINCLAIR 1000 - USER MANUAL**](http://www.ts1000.us/usermanuals.htm)written by Timex / Sinclair / Steven Vickers
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compiled/archived by Bill Hicks\
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type of document : PDF\
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size : 3.5 MB\
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source : [www.ts1000.us](http://www.ts1000.us/)
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**... READ THE ONLINE VERSION BY CLICKING BELOW :**
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- title: THE COMPLETE TIMEX TS1000 & SINCLAIR ZX81 ROM DISASSEMBLY
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url: null
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cover: /media/museum/docs/couvs/sinclair_zx81_rom-disasembly.jpg
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text: |-
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**THE COMPLETE TIMEX TS1000 & SINCLAIR ZX81 ROM DISASSEMBLY**\
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written by Dr. Ian Logan & Dr. Frank O'Hara
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compiled/archived by Bill Hicks\
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type of document : PDF\
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size : 5 MB\
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source : [www.ts1000.us](http://www.ts1000.us/)
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**... READ THE ONLINE VERSION BY CLICKING BELOW :**
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- title: TIMEX SINCLAIR 2020 COMPUTER PROGRAM RECORDER
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url: null
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cover: /media/museum/docs/couvs/ts2020_tape-recorder_manual.jpg
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text: |-
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**TIMEX SINCLAIR 2020 COMPUTER PROGRAM RECORDER**\
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written by Timex Computer Corporation
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compiled/archived by Bill Hicks / www.ts1000.us\
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type of document : Online reader
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**... READ THE ONLINE VERSION BY CLICKING BELOW :**
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related:
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- /museum/czerweny-cz-1000
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- /museum/czerweny-cz-1000-plus
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- /museum/lambda-electronics-ltd-pc-8300
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- /museum/sinclair-zx-80
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- /museum/sinclair-zx-81
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- /museum/timex-sinclair-1000
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- /museum/tonel-pc
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oc_id: 1179
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source:
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url: https://web.archive.org/web/20230610134728/http://www.old-computers.com/museum/computer.asp?c=1179
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date: '2023-06-10'
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---
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A few months after Sinclair released its [ZX-80](/museum/sinclair-zx-80/), Microace of Santa Ana, California launched a clone of this computer.
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It was exactly the same machine, but a minor modification made that it could be expanded to 2 KB of RAM.\
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The internal ROM was also a pure copy of the Sinclair's original. Sinclair thus sued Microace but met with large difficulties because the judge couldn't seee the ROM content!\
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Sinclair eventually won because the Microace keyboard was also identical to the ZX-80's and the judge could see it...
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Microace then ceased the production of the 4 KB ROM machine but made later an agreement with Sinclair for a licenced version of the ZX-81 to be put on sale only in kit form and only in the USA. Microace also made a 'flicker-free board' for the ZX-80.
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<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>
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