– Web Based TRS-80 Emulator

Lawrence Kesteloot has put up a web site called which emulates a Model III TRS-80 and has some sample software and access to the retrostore.

If you create an account and log in you can store your own software there.

One of the many features to note is that if you are programming in BASIC you can click a button to extract the program to a full screen text editor for purposes of easy editing.

This is the same Lawrence who developed the cassette reader/cleaner utility and web site, located at

Excellent work, Lawrence!

New DOS Releases from Vernon Hester

Vernon Hester has released MultiDOS v5.00 for the Model I and III, MultiDOS v6.00 and Esoteric v3.00 for the Model 4. Updates can be found on the applicable MultiDOS and Esoteric pages. The files can be downloaded from those pages, from the Software Archive Search Page or from here:

MultiDOS v5.00

MultiDOS v6.00

Esoteric v3.00

New Manuals from Vernon Hester

Vernon Hester, author of the MultiDOS and ESOTERIC DOSes (and other things), has provided some new manuals in DOC format. They can be downloaded from the Software Manuals page, or from right here!

TRS-80 Trash Talk #39 is Out

Episode # 38 of the podcast TRS-80 Trash Talk is out now.

“In this episode we discuss the usual news and current events in the world of the TRS-80. We discuss a bunch of recent acquisitions. We also review the book “TRS-80 More Than BASIC” and present a new segment “Call for Projects”. Then, we wrap up with a discussion of TRS-80 newsletters, which can be an interesting historical addition to your TRS-80 collecting hobby.”

You can download or listen at

TRS-80 Trash Talk Live # 11

Announcements and inquiries from TRS-80 Trash Talk Live # 11:

  • Quentin Barnes is looking for a working copy of Quartus II v9.0 or earlier to assist the creator of the Catweasel in updating the Catweasel. If you have any information or can help, please contact me.
  • Arno Puder has gone over some updates to his TRS-IO card allowing it to do floppy disk emulation, printer port access, and any other memory mapped I/O. Arno also hopes to use bluetooth to access game controllers in upcoming versions.
  • Arno also went over the PocketTRS which is a tiny card which emulates a Model III, and has a 50-Pin Bus for hooking actual Model III hardware. They are working on v2.2 which will improve WiFi connectivity.
  • George Hines, creator of the Floppy Remapper, announced his latest project, a Model I which uses a EEPROM Header Mod to permit switching between Level I and Level II.
  • Tandy Assembly is currently scheduled for October 1-3, 2021 in Springfield, Ohio.
  • Pete Cetinski has archived RM Cobol Operating System for the Model 16. Peter Phillips is using it to fix some bugs in TRS80GP’s emulation of the Model 16.
  • Dusty mentioned that articles for the March issue of TRS8BIT are needed by end of February.
  • Ken B is working on scaning the Tandy National Parts microfiche.
  • Pete Centinski, Joe Rounceville, and Al Schemmer have been added to the TRS-80 Repair-people page.
  • Steve Hall has agreed to take on the task of providing boot disks those of in the U.K. and E.U. Information for reaching out to Steve can be found on the Diskette Request Form shortly.