NewDos86/90 is the result of extending the well known NewDos/80v2 operating system for the Tandy TRS-80 model 1, model 3 and model 4 computers. It is developed by W.S. (Warwick) Sands and D.S. Sands. between 1984 and 1990. Worldwide distribution was done by Computer News 80 in the U.S.A.

The project started with additions to the Disk Basic but later extended to the operating system. Some of the most striking are:

The disk set is available as DMK images, complete with scanned disk labels. The manual is currently available as scanned PDF at the virtual library. Some key pages are available as text to make the search engines happy.

Last update: 2011-01-02