TRS80GP v2.3 Released

TRS80GP has been updated to v2.3

Visit The TRS80GP Web Page for the download and information, or here for the emulator.

New Features:

  • Support for hard drives.
  • Model 16 emulation.
  • Preliminary support for Model I Percom and Radio Shack double-density disk interfaces.
  • Model II double-sided floppy support.
  • New Model II ROM now the default; get original with “-r0”.
  • Added Model 1 revision 1.1 ROM and -nlc not needed for earlier ROM revisions.
  • Emulator tries adding .dmk, .imd, .jv3, .jv1 and .dsk to files it can’t find.
  • Windows menu key brings up the right-click context menu.
  • Current drive track is displayed status bar.
  • Permit writing to Model I, III, and 4P ROM

Bug Fixes/Adjustments:

  • Montezuma CP/M no longer misses shift keys regularly.
  • If a disk FORMAT proceeds beyond the last track, DMK and IMD append blank tracks.
  • DMK format detection rules relaxed to allow for larger file truncation.
  • No longer get down-arrow stuck when using Ctrl+Alt+V and the like.
  • Debugger memory, disassembly and stack update on reset or change in memory map.
  • Cassette auto-save capture Scott Adams Adventures saves one instead of two files.
  • Animated GIF output usually smaller by extending the delay for repeated frames.
  • Debugger now shows Model II ROM contents and disassembly when it is mapped in.
  • Single stepping in debugger updates the trace window even if tracing is off.

March 2020 Issue of TRS8Bit

Dusty has released the March 2020 issue of the TRS8Bit newsletter on the download page of his web site.


Page 04
Adding Ml6 Emulation To TRS80GP
Wow! Peter And George Phillips Have Released v2.3 With Yet Another Worlds First Facility
Page 14
Mapping The TRS-80 Into The Big Time
Henry Baggs Came Across This Article Re CP/M On A Model I
Page 18
Classic Trek-80
Richards Shows Us The Details With His Classic Tandy ‘Trek’ Game For The Iphone And Ipad
Page 23
Et Brings On His One-liner Talents Giving A New Twist To A Classic Game
Page 25
In Mav’s Workshop
Revisiting The CN80 Model 4 Mouse Project – Part 2
Page 33
Interesting Photo
An Interesting Photo I Came Across, Which Patrick Bureau Posted On The Facebook Group “TRS-80 Model I, II, IIII, And 4 Owner’s Group”. It Shows, Quite Clearly The Differences In Keyboards Between Qwerty And Azerty On A Model 3
Page 45
The New Chromatrs
Pascal Has Re-engineered Chromatrs, Here Are The Details For Us All To Enjoy. Check Out His Website For The Full Story
Page 39
Stretch Your Mind
Harold Has Sent Us All Another Puzzle Just To Get The Little Grey Cells Motoring
Page 42
Jens Guenther Has Updated His Forked SDLTRS To v1.2.1.
Page 43
JM Introduces Us To His Brilliant Modular Expansion System For A 21 Century Model I
Page 46
Radio Shack Trs-80 Model 1/3/4
Mathew, Who Was The Author Of The Lotek Article In The Last Edition Of Trs8bit, Shows Us Details Of His Drivewire For The Co-co Linked To A Pc
Page 58
The Way We Were
Here’s A Selection Of Articles ‘from The Day’ Which First Appeared In The Uk’s Natgug News
Page 64
A Tandy/ Radio Shack Trs-80 Model I Microcomputer Clone.
Glen Builds A Model I Using Modern Day Parts.
Page 72
In Mav’s Workshop
Mav Attaches An Accelerator ‘pedal’ To A M3
Page 78
TRS-80 Screen Designer
Kyle Has Released His Screen Designing Program Which Will Help Those Entering This Years Competition!
Page 80
Competition Details
2 Comps And 2 Prizes
Page 82
In Mav’s Workshop
Mav Gives Us All Orchestral Music For The M3

March 4, 2020 – Site News

Site Updates since the last …

SDLTRS II Updated to v1.2.7

Jens Guenther has updated his forked SDLTRS to v1.2.7.

Per Jens, this version runs on BSD, Haiku, Linux, MacOS(X), Solaris and Windows (95 to current).

Sone of the updates include:

  • Runs under MAC OS Catalina
  • Select and execute CMD files directly in the Emulator
  • Save screenshot of the Emulator window as BMP file
  • Show Z80 registers in the window title bar

Site News

Site Updates since the last …

  • RSC-03 through RSC-09 are now in the Catalog Search Page (special thanks to Jerold Stratton for assistance). If anyone wants to help enter the data from catalogs, please let me know.

  • From time to time I try to reach out for permission to post software and from time to time the author is deceased. I have added a note to the Software Search results page if the author has passed away, and the year of passing. Right now, I have only 4 entries (Sparky Starks, Michael Shrayer, Lance Wolstrup, and Leo Christopherson). If you know more, please let me know.