TRS80GP v2.4.5 Released

TRS80GP has been updated to v2.4.5. Release Notes:

New Features:

  • Lowe Electronics LS-18 Model I hires emulated (use -gl).
  • HyperMEM memory for Model 4 with -mem 256 (or 512 or 1024) or -mem hyper:512.
  • SuperMEM expansion memory for Model 4 with up to -mem super:1024 K.
  • MegaMEM expansion memory for Model 4 with up to -mem mega:16384 K.
  • Emulator extensions can now trigger audio and video recordings, screenshots.
  • Easy interface to emulator extensions from BASIC.
  • Added watch expressions to debugger.
  • Cassette counter and read/write indication in title bar during cassette I/O.

New Command Line Options:

  • Added ‘-ik row bits’ for automated control of low-level keyboard input.
  • Added ‘-ig’ to dump hires graphics memory.
  • Added -dNss, -dNds, -dNas to force floppy drive N to be single, double or any-sided.


  • Fixed hires memory debug view and dump.
  • Model I TRSDOS 2.3 patched. Pressing BREAK at first prompt no longer reboots.
  • Linux version no longer crashes on paste if the clipboard is empty.
  • Debug T-States/Cycles treats input as decimal instead of hex.
  • Mac version can save cassette output (.cas files) again.
  • Fix .bds load bug causing crashes on certain > 256 data lengths.
  • Stop right-hand glyph replacment when copying Model 3 Japanese unicode text.
  • 8″ drives default to restricting emulation to single or double sided.

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


  1. Great to see a new version of trs80gp! I wonder about the Lowe hires graphics board, though. What can it do, is there software for it? I seem to be unable to find anything about it on the net.


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