Date: February 7, 2022
Keith Watson’s use of a Timex/Sinclair 2068 to produce compressor performance charts: https://www.timexsinclair.com/blog/plotting-compressor-performance-maps-with-the-t-s-2068/
George Green’s “The Trident” adventure for the the TS 1000: https://www.timexsinclair.com/timex-sinclair/the-trident-adventure-game-for-the-timex-1000/
- NTSC ULA on SellMyRetro: https://www.sellmyretro.com/offer/details/diy-ntsc-spectrum-kit-11893
- Photos from the 1987 Midwest Timex Sinclair Computer Fest: https://www.flickr.com/photos/10936765@N05/
- Zebra Systems videos: https://www.youtube.com/watch?v=GtDG5cWmH8s&list=PLXse5HZL0dxz3bpKMxfsb4jiNmcY_wwrD
- Zebra Systems on CoCoPedia: https://www.cocopedia.com/wiki/index.php/Zebra_Systems,_Inc.