- THE Sinclair Emulator

Having just being doing some tidying on some of my websites, and after doing a quick search on Google for the EightOne emulator I decided that I should put a clarifying note on this site. I put these pages together after finding that the original site had vanished. They were collated from a combination of the WayBackMachine on the Internet Archive website and some careful use of Google to find some more up to date versions of the emulator. I have no connection with Michael D Wynne, and have unfortunately had no contact with him. I am leaving the site up so that the emulator is not lost forever, but should Michael contact me and ask me to remove it I will do so (all be it sadly if the official site does not return). If anyone has more up to date versions of the emulator that I could add to this site (I believe that there is at least a version 0.52) then please contact me and I will add them to the available downloads.
Paul Tansom, 9th April 2008

Having just written the above I have investigated and found that, although there is no website available, there are now files available at http://www.chuntey.com/, and this includes a 1.0 version of the emulator. I have just downloaded this, and may make it available here. The .zip file has date of 10th March 2008. Needless to say I will be contacting Mike to confirm that he is happy for me to maintain this 'mirror'.
Paul Tansom, 10th April 2008

I don't want to end up with a whole load of blurb at the top, but having just had an email from Mike to point out that there is an update to version 1.0a I've updated this mirror. Whilst doing this realised that I hadn't updated following making contact with Mike and confirming that he is happy with this mirror - obviously so long as I make sure I keep it up to date!
Paul Tansom, 8th May 2009

EightyOne is an emulator for several home computers made by Sinclair Research (And their clones) in the 1980s. EightyOne currently emulates:

Sinclair ZX80 Timex TS1000
Sinclair ZX81 Timex TS1500
Sinclair ZX Spectrum 16k/48k Timex TS2068
Sinclair ZX Spectrum 128k Timex TC2048
Amstrad/Sinclair Spectrum +2 Lambda 8300
Amstrad/Sinclair Spectrum +2a Ringo R470
Amstrad/Sinclair Spectrum +3 MicroDigital TK85
Jupiter ACE

As well as emulating the machines themselves, numerous addon cards are supported, including hi-res graphics, custom character sets, sound and colour cards.

EightyOne is designed to run on Windows XP, but should work on Windows 98 and above.


The latest release is V1.0a which can be downloaded here. Older versions can be found here.

EightyOne source code is released under the GNU GPL. Please respect this licence and feed back any changes into the project. Download the source here, or individual files here



EightyOne uses the z80 core and AY emulation from FUSE, the free UNIX spectrum emulator. It also uses libdsk and lib765 (c) John Elliott.

Comments & Bug Reports

Although less so than before, I am sure EightyOne is full of bugs. If you wish to report a bug, or just make a comment regarding this software, please email me at mike@chuntey.com

Copyright (c) 2003-2008 Michael D Wynne