Editing Sinclair ZX81 emulators
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|developer = Sinclair Research | |developer = Sinclair Research | ||
|type = [[:Category:Computers|Computers]] | |type = [[:Category:Computers|Computers]] | ||
+ | |generation = Z80-based home computers | ||
|release = 1981 | |release = 1981 | ||
|discontinued = 1984 | |discontinued = 1984 | ||
− | |predecessor = ZX80 | + | |predecessor = Sinclair ZX80 |
− | |successor = [[ZX Spectrum | + | |successor = [[ZX Spectrum emulators|ZX Spectrum]] |
|emulated = {{✓}} | |emulated = {{✓}} | ||
}} | }} | ||
+ | The '''[[wikipedia:ZX81|ZX81]]''' was a Z80-based home computer produced by Sinclair Research and manufactured in Scotland by Timex Corporation. | ||
− | + | It was the successor to Sinclair's ZX80 and the predecessor of the [[ZX Spectrum emulators|ZX Spectrum]] and was hugely successful, and more than 1.5 million units were sold before it was discontinued. | |
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− | It was the successor to Sinclair's ZX80 and the predecessor of the [[ZX Spectrum | ||
The ZX81 was designed to be small, simple, and above all cheap, using as few components as possible to keep the cost down. | The ZX81 was designed to be small, simple, and above all cheap, using as few components as possible to keep the cost down. | ||
− | Video output was to a television set rather than a dedicated monitor. Programs and data were loaded and saved onto audio tape cassettes. It had only four | + | Video output was to a television set rather than a dedicated monitor. Programs and data were loaded and saved onto audio tape cassettes. It had only four silicon chips on board and a mere 1 KB of memory. The machine had no power switch or any moving parts and used a pressure-sensitive membrane keyboard for manual input. |
Its distinctive design brought its designer, Rick Dickinson, a Design Council award. | Its distinctive design brought its designer, Rick Dickinson, a Design Council award. | ||
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==Emulators== | ==Emulators== | ||
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{| class="wikitable" style="text-align:center;" | {| class="wikitable" style="text-align:center;" | ||
+ | |+PC | ||
+ | |- | ||
! scope="col"|Name | ! scope="col"|Name | ||
− | ! scope="col"| | + | ! scope="col"|Operating System(s) |
! scope="col"|Latest Version | ! scope="col"|Latest Version | ||
− | ! scope="col"| [[libretro]] | + | ! scope="col"|[[libretro|Libretro Core]] |
+ | ! scope="col"|Active | ||
! scope="col"|Relative Speed<ref group=N name=RelativeSpeed>As calculated by Carlo Delhez's clkfreq, originally distributed with his XTender emulator. The ZX81 has relatively complicated timing mechanics, depending on signalling of WAIT during NMI; relative speed is a measurement of how closely an emulator matches a real machine in terms of clock cycles spent processing within a frame. 100.0% denotes the same execution speed as a real machine.</ref> | ! scope="col"|Relative Speed<ref group=N name=RelativeSpeed>As calculated by Carlo Delhez's clkfreq, originally distributed with his XTender emulator. The ZX81 has relatively complicated timing mechanics, depending on signalling of WAIT during NMI; relative speed is a measurement of how closely an emulator matches a real machine in terms of clock cycles spent processing within a frame. 100.0% denotes the same execution speed as a real machine.</ref> | ||
− | + | ! scope="col"|[[Recommended Emulators|Recommended]] | |
− | |||
− | ! scope="col"| [[Recommended | ||
|- | |- | ||
− | + | |[[EightyOne]] | |
+ | |Windows | ||
+ | |[https://sourceforge.net/projects/eightyone-sinclair-emulator/files/ 1.12] | ||
+ | |{{✓}} | ||
+ | |{{✓}} | ||
+ | |114.3% | ||
+ | |{{✓}} | ||
|- | |- | ||
− | | | + | |ZEsarUX |
− | | | + | |Multi-platform |
− | | [https://github.com/ | + | |[https://github.com/chernandezba/zesarux/releases 7.1] |
− | | {{✗}} | + | |{{✗}} |
− | + | |{{✓}} | |
− | | {{✓}} | + | |110.9% |
− | | | + | |{{✓}} |
− | | {{✓}} | ||
|- | |- | ||
− | | [[ | + | |[[Clock Signal|CLK]] |
− | + | |macOS and UNIXalikes | |
− | | [https://github.com/ | + | |[https://github.com/TomHarte/CLK/releases {{clkver}}] |
− | | {{✗}} | + | |{{✗}} |
− | + | |{{✓}} | |
− | | {{✓}} | + | |100.0% |
− | | | + | |{{✗}} |
− | | {{ | ||
|- | |- | ||
− | |[ | + | |[https://sourceforge.net/projects/sz81/ SZ81] <br/><small>(xz80 & z81 based)</small> |
− | | | + | |UNIX, Windows, [[Amiga emulators|Amiga]]<br />Linux, Windows, macOS |
− | | [ | + | |[http://sz81.sourceforge.net/#downloads 2.1.7] <br/>[http://rullf2.xs4all.nl/sz81/ 2.3.9] |
− | | {{ | + | |{{✗}} |
− | | 100.0% | + | |{{✗}} |
− | | {{ | + | |100.0% |
− | + | |{{✗}} | |
− | |||
|- | |- | ||
− | | | + | |[[MAME]] |
− | | | + | |Multi-platform |
− | | [ | + | |[http://www.mamedev.org/release.html {{MAMEVer}}] |
− | + | |{{✓}} | |
− | + | |{{✓}} | |
− | | {{ | + | |Not tested |
− | | {{ | + | |{{✗}} |
− | | {{ | ||
|- | |- | ||
− | | [ | + | |[[No$|No$ZX]] |
− | + | |Windows, DOS | |
− | | [http:// | + | |[http://problemkaputt.de/zx.htm 2.0] |
− | | {{✗}} | + | |{{✗}} |
− | + | |{{✗}} | |
− | | {{ | + | |Not tested |
− | | | + | |{{~}} |
− | | {{~}} | ||
|- | |- | ||
− | | [ | + | |[http://zxplanet.emuunlim.com/mme-review.htm MTMW] <br/><small>(aka 'MulTiMachine')</small> |
− | + | |Windows | |
− | | [ | + | |[https://www.zophar.net/sinclair/multi-machine.html 1.30b] |
− | | {{ | + | |{{✗}} |
− | + | |{{✗}} | |
− | | {{ | + | |Not tested |
− | | | + | |{{~}} |
− | | {{ | ||
|- | |- | ||
− | | [http://zxplanet.emuunlim.com/ | + | |[http://zxplanet.emuunlim.com/xtender-review.htm XTender2] |
− | | | + | |DOS |
− | | [ | + | |[http://www.zx81.nl/ beta 13] |
− | | {{✗}} | + | |{{✗}} |
− | + | |{{✗}} | |
− | | {{✗}} | + | |Not tested |
− | | | + | |{{✗}} |
− | | {{✗}} | ||
|- | |- | ||
− | | [ | + | |[http://www.retroisle.com/sinclair/zx81/emulators.php ZX81 Emulator] <br/><small>(Paul Robson)</small> |
− | + | |DOS | |
− | | [http:// | + | |[http://www.zx81.nl/ 4.00] |
− | | {{✗}} | + | |{{✗}} |
− | + | |{{✗}} | |
− | | {{✗}} | + | |Not tested |
− | | | + | |{{✗}} |
− | | {{✗}} | ||
|- | |- | ||
− | + | ! colspan="7"|Mobile | |
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|- | |- | ||
− | + | |[https://sourceforge.net/projects/sz81/ SZ81] <br/><small>(xz80 & z81 based)</small> | |
− | + | |[[wikipedia:Sharp Zaurus|Sharp Zaurus]], <br/>GPH GP2X/Wiz, <br/>Dingoo A320 | |
− | + | |[http://sz81.sourceforge.net/#downloads 2.1.7] | |
− | + | |{{✗}} | |
− | + | |{{✗}} | |
− | + | |100.0% | |
− | + | |{{✗}} | |
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− | | [https://sourceforge.net/projects/sz81/ SZ81] <br/><small>(xz80 & z81 based)</small> | ||
− | | | ||
− | | [http://sz81.sourceforge.net/#downloads 2.1.7] | ||
− | | {{✗}} | ||
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− | | {{✗}} | ||
− | | 100.0% | ||
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− | | {{✗ | ||
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|} | |} | ||
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<references group=N /> | <references group=N /> | ||
==Notes== | ==Notes== | ||
+ | |||
* [http://www.retroisle.com/sinclair/zx81/emulators.php www.retroisle.com] (Page showing five old emulators for ZX81, and sometimes the Spectrum and other machines) | * [http://www.retroisle.com/sinclair/zx81/emulators.php www.retroisle.com] (Page showing five old emulators for ZX81, and sometimes the Spectrum and other machines) | ||
* [https://www.worldofspectrum.org/faq/emulators/other.htm www.worldofspectrum.org's list] (Short list of old Science of Cambridge MK-14, ZX80, ZX81 / TS1000, Sinclair QL and Jupiter ACE emulators) | * [https://www.worldofspectrum.org/faq/emulators/other.htm www.worldofspectrum.org's list] (Short list of old Science of Cambridge MK-14, ZX80, ZX81 / TS1000, Sinclair QL and Jupiter ACE emulators) | ||
* [http://zx81.eu5.org/emulators.htm zx81.eu5.org] (Brazilian ZX81 fan-site - emulators list page is in English. Shows list of old ZX81 emulators & links to other resources.) | * [http://zx81.eu5.org/emulators.htm zx81.eu5.org] (Brazilian ZX81 fan-site - emulators list page is in English. Shows list of old ZX81 emulators & links to other resources.) | ||
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[[Category:Computers]] | [[Category:Computers]] | ||
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