TRS80GP v2.4.9 Released

TRS80GP has been updated to v2.4.9. Release Notes:

New Features:

  • Disk drive and other sound effects.
  • Japanese Model 1 emulation (-m1j)
  • LDOS DiskDISK floppy disk image support.


  • .bds symbols and loading works on all CPUs, including the 68000.
  • 68000 debugger upgraded to 18 breakpoints.
  • Disassembly windows show symbolic names for memory locations when available.
  • Memory view windows independent of debugger.
  • Orchestra 85 and 90 now play in stereo on Windows.
  • Various auto turbo modes now per-model perferences; settable on command line.


  • Bus use for MC-10 and Electric Crayon now functional.
  • Bus use no longer clearing loaded flag returning it to usefulness.
  • Corrected various 6803 instruction timings for MC-10.
  • Corvus hard drive emulation improved, added debugger (Windows only).
  • Edit → Copy crashed in Videotex, Electric Crayon and MC-10 graphics mode.
  • F12 now activates turbo on linux.
  • Low probability .bds file loading hang/crash bug fixed.
  • MC-10 implements SG6 display mode properly.
  • Model I RS Doubler ignores side select commands which didn’t really exist.
  • Model 1,3,4 unmapped printer port bits now correctly float high.
  • Model 4 can be set up with 16K memory. Or 0K as if no RAM is installed.
  • Slightly green text background for Electric Crayon, Videotex and MC-10.

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

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