Access over 3000 games online! All Sincalir models are emulated, 16k, 48k, 128k,+2, and +3. Download the Qbert ROM now and enjoy playing this game on your computer or phone. For this to work, a special set of ZX80 and ZX81 modified ROM images need to be present inside the c:/tbblue/ folder. This system scrapes metadata for the “zx81” group and loads the zx81 set from the currently selected theme, if available. ccc and . The ZX Spectrum is, by far, the most widely emulated of all Sinclair machines. However, I am not a. 3. With only 1K RAM, monochrome video that dropped out. The guts of the loader is a TZXDuino, a Spectrum tape emulator related to the Arduitape. Internet Archive. cd ~/Files/emulation/zx81 #Set az15 keyboard options, if you haven't built a az15 the comment this out. The FAQ is in three sections: 1 - Information for people new to the ZX81. The Timex/Sinclair 1000, produced under license from Sinclair, was a modestly improved version of the Sinclair ZX81, with 2K RAM. Arcade emulation powered by Emulatrix, libretro JavaScript emulator. Features. Arcade emulation powered by Emulatrix, libretro JavaScript emulator. Summary; Files; After the sale, the ZX80 and ZX81 rights stayed with Nine Tiles, the Interface I rights stayed with Sinclair and the TS2000 BASIC rights stayed with Timex. . As well as emulating the machines themselves, various add-on interfaces are supported, including storage devices, hi-res graphics, custom character sets, sound. ZX81 overview and demo! The Sinclair ZX81 (known in the US as the Timex Sinclair 1000) was my first computer, and here I look back to its revolutionary hardw. sz81 - a ZX81 and ZX80 emulator using SDL This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. Sinclair ZX80 / ZX81 / Z88 Forums. Online version of Frogger for Arcade. 2EightyOne Emulator - Emulator is available to download only on DownloadROMs. Scooby-Doo! Night of 100 Frights (USA) (Proto) Samurai Shodown - Warriors Rage (USA)sz81 is a Sinclair ZX80/ZX81 emulator very much based upon the work of Ian Collier's xz80 and Russell Marks's z81 but employing the highly portable SDL and including additional functionality and features for desktop computers and portable devices. Hot on the heels of the Speccy emulator, is an emulation of the Spectrum's older brother, the ZX81. QML based ZX81 Emulator. It was first released in the United Kingdom on 23 April 1982. The ZX81 design allowed for a more compact design and robust build, addressing a number of the issues with the original ZX80. R. To associate your repository with the zx-spectrum-emulator topic, visit your repo's landing page and select "manage topics. Here is a newly made game for the ZX81 and an emulator to play it on! Let's dive in!👉 Get the Emulator: Get the G. In the following video, we run World Championship Manager immediately. This is the Z80 Emulator Version 1. By the Java-Emu Team. Additionally in Next Native mode, software for the ZX80 and ZX81 are supported. The emulator uses adapted versions of js-unzip and js-inflate to access TZX files within ZIP files. Many thanks for that I'll add it to my setup I'm building and see how it goes. Page 1/26 sZ81 – Zx80 and Zx81 Emulator. The ZX81 was designed as the low-cost successor to the ZX80, accessible to the general public. 5 million units. DeSmuME is a Nintendo DS emulator KeePass. ZX81 - iOS (Kevin Palser) ZX80 / ZX81 emulator for iOS. XTender . Discussion forums for users of the Sinclair 8-bit range of computers - ZX80, ZX81, ZX Spectrum, Z88, clones. The game was initially released by J. Programming Language. The successor of the ZX81 is the ZX. It's being developed on Windows with MinGW (64 bits) and Debian 8, and tested on RetroArch 1. " GitHub is where people build software. SNA emulator format (depending upon your chosen emulator). 81 files. Welcome to a taste of early 1980s home computing. When a game says to stop the tape, open the Hardware dropdown in Speccy and click on Start or stop tape. **To play on real zx81 you'll need to download the fly. This web site contains my own collection of ZX81 and TS1000 tapes, hardware and books that I have built up over the last ten years or so, almost entirely from buying items on eBay, along with a small number of kindly donated items. VB81. Cronosoft – Software house for publishing new and unreleased games for retro computers and consoles. DATASSETTE-Micros e videogames clássicos, com download de jogos, manuais, revistas, etc. ZEsarUX is a ZX Machines Emulator for Unix, including: ZX Spectrum ; ZX-Uno ; ZX80 ; ZX81 ; Z88 ; Jupiter Ace ; Chloe 140 SE, Chloe 280 SE ; Prism ; Timex TS 2068 ; Amstrad CPC 464. Download sz81 for free. First alpha release for windows at releases/win_zx80_emul_alpha. Q: Can retro game emulators and ROMs be used on gaming consoles?Works fine in ZX Emulator, except the input lines are a bit messed up. Zed Ex is an excellent Sinclair ZX81 emulator for Android based devices. Greye and programmed by Malcolm Evans and released in 1981 for the Sinclair ZX81 platform with the 16 KB memory expansion. FUSE is a ZX Spectrum emulator that provides accurate emulation of various models, including the 16K, 48K, 128K, +2, +2A, and +3, including the NTSC variant. LinuxLinks takes a brief look at Sinclair ZX81 emulators for Linux. ZEsarUX a cross platform ZX computer emulator with binaries are available for Windows, Debian, Raspian & Mac OS X. how I build my own zeddy. Hot on the heels of the Speccy emulator, is an emulation of the Spectrum's older brother, the ZX81. ZX Spectrum 48K Tiny Emy - by Andre Weissflog ; ZX Spectrum 128 Tiny Emu - by Andre Weissflog ; Sony. E. What more can I say. // Extra Modes for using keyboard as a normal (ish) PS2 / USB device. c. Frogger was positively received as one of the greatest video games ever made and followed by. e. d. For this there are two options, either connect directly into the heart of the machine replacing the existing membrane keyboard, or build an external expansion interface card for ZX81 and keyboard. Yes, I coded an emulator in 1997 and rewrote it in 2020 with the knowledge I got from coding games on the ZX81 between 2011 and 2020. Emulators: C64 Online (online emulator) EC64 Fairlight C64 Emulator Tools Frodo Hoxs64 VICE Game Downloads: Arnold C64. 25MHz The clock frequency is gained from a high tolerance 6. There are plenty of sites relating to the follow up machine the ZX Spectrum but not much on the ZX81. It must be a complementary emulator ! Eo generalist, XuR toolkit, sZ81 sound+gamming ! We can work on the main Zx81 engine, but it steel releable as is. The emulator uses adapted versions of js-unzip and js-inflate to access TZX files within ZIP files. Be the first one to write a review. 0. _Pink_cs Scanner Internet Archive Python library 2. The ZX80 can also be emulated. Sinclair ZX Spectrum TOSEC Set – The ultimate, most complete ZX Spectrum files set that have ever been. EightyOne: A popular emulator that emulates not only the ZX81, but also the ZX Spectrum and ZX Spectrum Next. The emulator uses adapted versions of js-unzip and js-inflate to access TZX files within ZIP files. Supported tape file formats are . This article needs some TLC. {"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"Makefile","path":"Makefile","contentType":"file"},{"name":"file2c. JtyOne Online ZX81 Emulator. JavaScript ZX80 Emulator. This emulator can handle the TZX file format and includes a Program Finder to download directly from WoS! [30/11/10] ZX4ALL beta 2 by Chui. However various requests have come my way asking about kit versions, versions that don't really need the. plus-circle Add Review. The emulator described here - "ZCE" - is a "command-line" edition, which means a "K>" prompt is sent to stdout, and input is expected from stdin. ZEsarUX v10. The instructions for setting up the development environment and how to build the emulator can be found in the corresponding source code distribution. About this Site. 44 for 32 bit Windows (12:18 PM 12/14/20) The Z80 Emulator is a full featured emulator designed to run CPM, Intended for Hobbyists. Demonstration and discussing the how much work was invo. o files. 2 - ZX81 Emulators. Disassembler for Zilog and/or Intel/TDL nmemonics Instruction, I/O and Data Breakpoinits, Single Step, Trace, IO intercept. emulator amstrad-cpc apple2 atari2600 z80. E. ZEsarUX or MESS etc). The ZX81 / TS1000 Emulator is a software for Linux-based VGA PCs that emulates the Sinclair ZX81 or the Timex TS1000 machines. Remember, the ZX80 (and others) use a mapped keyboard. Transfers actual ZX81 tape audio into . Announcing a big revamp of my site, including a new JavaScript ZX81 Emulator (based on EightyOne and FUSE's Z80 core). d formats). This way, you can load games for the ZX Spectrum micro and a few. It is one of those home computers very popular in the '80s and affordable (£49. Have fun using Sinclair ZX81 emulator? We have presented you a collection of 1229 of Sinclair ZX81 games. This is a (short) list of Science of Cambridge MK-14, ZX80 , ZX81 / TS1000, Sinclair QL and Jupiter ACE emulators available that may be of interest to you. Released in 1981, the ZX81 is the successor to the ZX80 from Sinclair. A fork of Simon Holdsworth's JtyOne JavaScript Emulator for the Sinclair ZX81. Frogger is a 1981 arcade game developed by Konami and originally published by Sega. There’s support for Linux,. For this there are two options, either connect directly into the heart of the machine replacing the existing membrane keyboard, or build an external expansion interface card for ZX81 and keyboard. ZX81 (EightyOne) WIP Background . The Java ZX81 Tape Converter allows you to to convert sampled sounds to ZX81 . File Information. To load the 'cassette' this program is located on, press the following keys: j (which will appear as LOAD), shift-p shift -p (Which will appear as double quotes) and then ENTER/RETURN. O. Elite is a seminal space trading computer game developed by David Braben and Ian Bell. emulator sinclair emulation zx81 timex zx80 sinclair-basic timexcomputer Updated Jan 24, 2023; C;. Z80 corrupted snapshot loading from ZXSP emulator with additional header of 31 byte size Added ZSF support for Timex TS2068, MK14, Chrome, Prism, Chloe, Sam Coupe Added path setting where to download files from the speccy and zx81 online browser Added disk image browsing from storage MMC/IDE menus Added PZX load support as standard tape Name: Multimachine Emulator Version: 1. 2 frontend. Installation. . In this journal entry I introduce my ZX81 ROM emulator (i. The program has originally started as a two-weeks hack for emulating the ZX81, but now grew to a decent six-months project. Therefore this cartridge can also only be used with a ZX Spectrum 128. Timex Sinclair 1000 Emulator Online (java applet) Roda direto do browser, sem a necessidade de instalar nada. The new emulator features an on-screen touch keyboard for mobile devices. Unzip the ZIP file, and copy the folder pspx81 to ms0:/PSP/GAME/. Help us while. Download EightyOne 1. Play emulator online within your browser. The PC DOS 5 emulation offers three classic games for you to check out: Wolfenstein 3D, the original Civilization, and Monkey Island. OSI Challenger 1P. Sinclair ZX81 Overview. It's a bit sluggish on a real ZX81, and benefits from a moderate speed increase, as is possible using emulators. Putting the above into practice, two programs below demonstrate how to POKE to the screen directly, instead of PRINTing. Virtual keyboard with several adjustable properties; Control bar with icons for regularly. Emulator Online has all the retro games from Super Nintendo (SNES & NES), SEGA (Genesis & Mega Drive), Game Boy (GBA, GBC, GB), N64, Nintendo DS and Neo-Geo Games. The ZX Spectrum emulator for Microsoft® Windows® - 9/10! Reviewed in the Micro-Mart. ( W32 res)-> all win32 messages box. The ZX80 can also be emulated. If you want to play games or load other software on your ZX81 and don't have a cassette deck (or any cassettes) this video will show you how to use a Java pr. Description. When you next run the emulator it will create a new ini file. The goal of this section is to act as a digital museum, easily accessible to artists, educators, students or any curious. Emulator zx81 Emulator_ext p Identifier ZX-81_Video-View_1981_Video_Software Scanner Internet Archive Python library 2. ZEsarUX: A cross-platform emulator that supports the ZX81 and many other systems, including the ZX Spectrum and Amstrad CPC. Drop in replacement for a ZX81; Built in 16K+ RAM, no need for a RAM Pack; Built in Composite Video Output; Barrel Jack power input, center PositiveSinclair ZX81 emulator edited to open full screen. ZX81 Emulators. Once you have selected a tape, simply type LOAD "" on the ZX81 to load it! All the included games map the joypad and buttons to sensible settings for each specific game. 93. The emulator can be used subject to the following. The JtyOne emulator is a JavaScript port by Simon Holdsworth of Mike Wynne's original EightyOne emulator. Also, are there any ZX81 emulator file formats which are equivalent. g. The emulator can be used subject to the following license: /* JtyOne - A JavaScript ZX81 emulator. EightyOne is an emulator for the range of ZX home computers made by Sinclair Research (and their clones) in the 1980s, primarily the ZX80 and ZX81 but also includes the ZX Spectrum models. Online ZX Spectrum emulator in Javascript | F9 – menu | F11 – full screen | Ins – gamesMazogs - ZX81 gaming on the web. As well as emulating the machines themselves, numerous addon cards are supported, including hi-res graphics, custom character sets, sound and colour cards. After loading JSZeddy, it is switched off by default, and may be switched on by using the "Start" button, or clicking on the screen. This is a video on how to setup and use EightyOne v1. It contains the EMF framework, machine-generated libraries for the Zilog Z80 processor, and the specifc ZX81. Features include Z80, Z180, I8080 Instruction sets. p file in the emulator and play The keys are x up, n down. There are also several ZX/Spectrum emulators for iOS and Android, the two best being Spectaculator ($3, iPad only), and ZX81 (iPad only). 2 RC1 is released. Game: Run — R, ENTER Left — 6 Right — 8 Shoot — 0 Links: → Info about ZX80 (en) → Немного о ZX80 (ru) June 14, 2023 by Jenny List 16 Comments. 12). Search; ZXSimulator for the Sinclair QL. As well as emulating the machines themselves, various add-on interfaces are supported, including storage devices, hi-res graphics, custom character sets, sound. It uses svgalib. [Retro Shack’s] ZX81 died, and while he tried to figure out the fix, he decided to build a new one. By Matt Westcott. P file, which limits the appeal to retro enthusiasts and excludes the intended. * Translated from EightyOne - A Windows ZX80/81/clone emulator. The microcontroller for the keyboard is an Arduino Pro Micro. E. 4 to run. Sinclair ZX80 / ZX81 / Z88 Forums. I know some are working on a C64 emulator possibility. This article is a stub. The upshot of which is that the Spansih version of the Spectrum 128 ROMs is technically owned, in part, by all of the above companies. The developer has since then expanded it with extra features and functionality. NanoWasp by Dave Churchill – MicroBee. EightyOne is an open-source Sinclair ZX80/ZX81, ZX Spectrum, Amstrad/Sinclair Spectrum, Jupiter ACE, Timex TS1000, TS1500, TS2068, TC2048, Lambda 8300, Ringo R470 and MicroDigital TK85 emulator for Windows. ZEMU - Z80 Emulator by Joe Moore . 23 - GW-BASIC emulator #osdn Zx81 Emulator written. It's a ZX Machines Emulator for UNIX based operating systems (and Windows), including all the Sinclair computers: Microdigital TK80, TK82, TK82C, TK83, TK85, TK90X (Portuguese and Spanish), TK95 (Portuguese and Spanish) ZEsarUX source code and binaries are distributed under GNU GPL license. 20, since that is the last version that runs on 68K-architecture. 8. Implement esp8266-zx81 with how-to, Q&A, fixes, code snippets. c. Whoosh! Who would have believed this? Manic Miner for the good old ZX81? And it's great too! Eleven screens of hi-res graphics! One of the best games ever fo. 2 - 30/11/2015 (by Paul Farrow) * Bug fixes to: - Words were incorrectly displayed for the stack in debugging window. Organize and manage your emulator files for ZX Spectrum, ZX81, ZX80 & Lambda 8300 - powered by the web. A ZX81 emulator, written in Actionscript 3. The ZX81 emulator, also capable of emulating ZX80, ZX Spectrum, Sinclair Spectrum, Jupiter ACE, Timex TS1000, TS1500, TS2068. . 5MHz chewing gum, not exactly a quartz oscillator, in fact, my oscilloscope tells me that my ZX81 is running at 3. About the various emualators avaiable, and how to use them. It utilizes svgalib and provides support for most programs and games except for those that use interrupt handlers. The end result a fully working Recreated ZX Spectrum keyboard. ulat. P or . ZEsarUX also includes a folder,. 1: Java ZX81 Emulator: Java emulator:Various online examples of HiRes code work perfectly within an emulator but causes severe video sync problems on a real ZX81 Mike Wynne is something of a giant in the field of Sinclair emulation who pretty much did everything. ini file saved by the previous version, which is located in a hidden folder under your user account name. Dxbx emulator is Xbox one emulator for windows 10 as well as an Xbox one emulator for pc windows 7. Commodore 64 Emulators for Mac. There are effectively no limitations plaguing new tittles , these having the potential to provide complex experiences with a full usage of UDGs. Let’s try out the emulator to see the difference. zip: Multi-Machine Emulates a whole range of 8 bit machines! Including of course the ZX81 - Windows Currently the enhanced version will work on the EightyOne ZX81 emulator for the PC, as well as the SZ81 emulator (version 2. ZX80 / ZX81 emulator for Javascript enabled Web browsers. zip: ZX81 emulator - DOS: mtmw130b. JSSpeccy by Matt Westcott – ZX Spectrum 2008; js-zx8x by. 2. Hi, I was looking for a ZX81 for Android, I found mentions of Zed EX (about 10 years ago). Tandy MC-10. Features (Hopefully). ZX81 Emulators. The program uses a string (M$) to encode multiple. 81 format files. Re: EightyOne tape load problem. World of Spectrum-Site dedicado ao ZX Spectrum, mas com muita informação sobre o ZX81. * Translated from EightyOne - A Windows ZX80/81/clone emulator. The ROMs are not included with the software, and have to be obtained separately. I am currently working on a ZX81 emulator with a twist. 4. Timex 1000 / ZX81 Emulator for DOS. UnrealSpeccy: An emulator that supports both the ZX Spectrum and ZX81. Download chapter PDF. THE Sinclair Emulator) to libretro. The emulator covers all of the functionality of the ZX80 and ZX81, including accurate timing of the display update to support the high resolution graphics tricks some programs used. Note: In order to use this emulator, you will need to obtain the program image files (in . ZX Spectrum was my second comp (after ZX81) and even games were a selling point, it was an excellent tool for learning programming (and I don't mean BASIC). p uboot. Post by techie_alison » Sat May 10, 2008 10:40 pm. In the meantime, if you have an iOS / iPadOS device you could give my ZX81 emulator a whirl and see what you think of the definable gamepad option. This system scrapes metadata for the “zx81” group and loads the zx81 set from the currently selected theme, if. The key lines in both applications are 80 (highlighted), where the second PEEK address is adjusted for either the expanded or collapsed DFILE. (Remember, it's still possible to play old DOS games on a Mac if you're so inclined. The operation of the ZX80 is very similar to the ZX81 and this allows the principles employed to produce the 'ZX81' ROM cartridge to be used to create a 'ZX80' ROM cartridge. pdf . cas, . Update:a ZX81 emulator in JavaScript Setting up JSZeddy. z80 a Z80 emulator that works in real time written in C#. The source for the JtyOne emulator is available under the GPL, as required by the EightyOne source. Use on Other Web Sites. Greye Software) Notes. Business, Economics, and Finance. Of course, the ZX Spectrum brought colors and sounds but even the ZX81 had expansions like Chroma and Zonx. The JtyOne emulator is a JavaScript port by Simon Holdsworth of Mike Wynne's original EightyOne emulator. Still we're about to plug a ZX81 into a network, a few aesthetics issues and minor viewing discomforts are hardly of major issue compared to the achievements realised. The ROMs are not included, so you'll have to obtain those. 2 and decoder for the original Modifier keys: ZX Spectrum ZX Spectrum load routine. Followers 1. 7---also known as Mac OS X Lion---is the most recent operating system on our list. More than 100 million people use GitHub to discover, fork, and contribute to over 420 million projects. p and . P to a text file of Sinclair BASIC. tzx . Software. It was released in 1981, retailing for $99. Previously ZEsarUX has seemed somewhat sluggish on the PI 2, leaving SZ81 as my emulator of choice. The ZX Spectrum also has a Videopac/Odessey2 emulator coded in 2000. DVI over HDMI output using an Adafruit 4984 breakout; SD Card storage using. If you need to convert your own cassettes, there is some software for Windows that will convert audio input (from a cassette player) into a . . - Multiple Arcade Machine Emulator. This is the USA version of the game and can be played using any of the Mame emulators available on our website. 0. lha. So, more or less, (almost) everything needed by a bold programmer is available out there, to start developing ZX81 and ZX80 emulators for Z80-based machines who can handle the very limited. JtyOne Online ZX81 Emulator. Greye Software in December 1981 and re-released in 1982 by Evans' own. ZX-Key: New Lite Version. Also manuals and documentation for all of them can be found online, and there are sources of already finished emulators for the Zeddy on other platforms. Also manuals and documentation for all of them can be found online, and there are sources of already finished emulators for the Zeddy on other platforms. The emulator doesn't load individual . Play the UNBELIEVABLE games for the ZX81 and the Timex 1000/1500. The Second mode, or Standard mode attempts to provide the functionality of a PS2 keyboard. Emulator Online. The emulator doesn't load individual . s***@hillbury. Download consoles computers Roms, for free and play handheld arcade games on your devices windows pc , mac ,ios and androidThe Sinclair ZX81 was my first computer, I learned how to program (in basic) using this machine in late 80's. 02 Version 1. Pin 4 - 8: Column lines on the ZX81 keyboard matrix. It is also possible to run up a ZX81 emulator on variety of modern hardware. This produces hw. Software. It uses the same VB core as vbSpec, but due to differences in the display hardware and processor speed of the ZX81, this will run happily at full speed on just about any PC that is capable of running Windows at a. The classic ZX81 games are all over the Internet, but check the colorized folder for games with Chroma 81 support. The cleanest option being the second. Only the keys required from the ZX81 keyboard are shown. Numbers = F1 - F10 etc byte bGraphicsShifted; // Standard ZX. JSSpeccy 3 a ZX Spectrum emulator in the browser. The emulator can be used subject to the following license: /* JtyOne - A JavaScript ZX81 emulator. 0. ZXSpectrum The ZXSpectrum is a range of models of 8-bit computers developed by Sinclair. Running ZX Spectrum Games in Speccy. There are three keyboard Layers, Standard, Emulator and ZX81. z81 is a Sinclair ZX81 (aka TS1000) emulator. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. Play web remake of 3D Monster Maze - Malcolm Evans & J. k. Or, you can use the same C program and build it for a Spectrum like this: zcc +zx -lndos -create-app hw. CS107E-GB-Emulator (Nintendo Game Boy) Created by students for a computing class at Stanford, the CS107E-GB-Emulator runs on an original Raspberry Pi (you probably won’t get it running on a Raspberry Pi 4). Create a folder called ZX81SNAP in the root of flash card for legally owned files (in . The ZX81 was the first computer I ever encountered - my uncle had built one from a kit and showed it to me when I was seven. My “ZX81 Classic. As MONS is executed, it replaces back the changed instruction with the original one (and of course store in memory the current state of all Z80 registers), so when the disassembler is invoked to give you a assembly. Reviews There are no reviews yet. The 4K ROM version features a custom loader routine, based upon the Volume Tester Utility, to provide visual feedback when loading the game. . You load it into your emulator, run it, then use the emulator's audio-reading capability through the sound card to actually read in the ZX81 program from your cassette. Source is added in the download, but the ZX81 is emulated in memory between #8000 and #FFFF. ZX80/ZX81 - that takes me back I owned a Spectrum+, Spectrum+2 and +3. To load the 'cassette' this program is located on, press the following keys: j (which will appear as LOAD), shift-p shift -p (Which will appear as double quotes) and then ENTER/RETURN. Sinclair ZX Spectrum TOSEC Set – The ultimate, most complete ZX Spectrum files set that have ever been. Help us while reliving hours of fun playing those retro classics all emulated on your computer. This program is actually a Spectrum . ZX81 The ZX81 is a computer developed by Sinclair. The new version is faster, but still machinecode still can’t run on full speed. Below are the recommended emulators for each platform. zip. Since the ZX81 had a touch keyboard the feeling is similar. You'll get to see my process for building MCU simulation, drawn from my previous experience working on AVR8js , an open. My ZTE Light costed the same amount as the orginal ZX81. EightyOne currently emulates: Sinclair ZX Spectrum 16k/48k Amstrad/Sinclair Spectrum +2 Amstrad/Sinclair Spectrum +2a Amstrad/Sinclair Spectrum +3 Retro-Computing - Sinclair ZX81 Online Emulator Explore few programs created for the Sinclair ZX81. You can download it from. es. bas. Use the menu to browse games by emulator console or use the game tags for specific listings of games. Description. JtyOne Online ZX81 Emulator. sz81 is a Sinclair ZX80/ZX81 emulator very much based upon the work of Ian Collier's xz80 and Russell Marks's z81 but employing the highly portable SDL and including additional functionality and features for desktop computers and portable devices. Click on ZX80 for the emulator type and click OK.