[TRS] TRS80gp v2.4.9

Version 2.4.9 - 11 Oct, 2022

New Features:

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

Improvements:

• .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.

Fixes:

• 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.

Version 2.1.2 - July 16, 2019

T80-FS1 Flight Simulator (19xx, subLOGIC)

• CP/M Plus 1.00 for Model 4 now boots.
• Improve formatted track conversion for IMD disk images.
• Model I LDOS diskette 2 now inserted in drive 2 instead of diskette 1.
• Handle .jv1 isk images with more than 40 tracks.
• -frehd supports file writing so EXPORT2/CMD works.
• Internal disk images loadable on command line with :name or "-d :name"
• Added internal utility diskettes :tu1, :tu2, :tu3, :tu4, :lu1, :lu2, :lu3, :lu4 for TRSDOS/LDOS Model 1 .. 4 containing import2, export2 and vhdutl.  And :t4u2 for TRSDOS 4 Model II.
• Added pre-formatted internal diskettes :tb1 .. :tb4, :lb1 .. :lb4 and :t4b2
• for TRSDOS and LDOS and TRSDOS 4 Model II.
• Aculab Floppy Tape emulation for Model I.
• Don't allow load or run to overwrite ROM.
• Check for reasonable BASIC program start address when loading BASIC programs.
• Remove spurious complaint about lack of entry point when running BASIC programs.
• Super Utility for Model I and Model 4 boot (A1_REPAIR enabled).
• Menu items deleted and checked as required when started in full screen.
• Border colour now defaults to black and can be changed with -vb option.
• Add Ctrl+Alt+R and Ctrl+Alt+L shortcuts for File -> Load and File -> Run
• Relative T-state times in bus trace now reflect actual memory/IO access times.
• Also some clean up of NMI and IRQ details.
• Bus trace outputs nested curly braces to help track subroutine calls.
• Toggling Z-80 flag checkboxes in debugger updates F register value and vice-versa.

Version 2.1.1 - March 13, 2019

• LDOS and LS-DOS can now format .imd disk images.
• Volume control with slider in Controls dialog box and -vol N option.
• Some menu checkmarks (e.g., Record -> Audio) were not being updated.
• Added -mute, -m4ga flags.
• FreHD can be enabled/disabled with Diskette -> FreHD
• -d now selects the first free drive instead of drive 0 erroneously.
• Release notes now available in trs80gp itself via Help -> Release Notes.
• Built-in double-sided (and unformatted) disk images added (e.g., -d dmk-ds)
• And tracks beyond the default with #N (e.g., -d imd#44).
• Preliminary trsnic emulation via -trsnic.
• Corrected frequency of beep in Model 2.
• EXTIO enable was incorrectly required for FreHD access on Model 1 and 2.

Version 2.1.0 - February 17, 2019

• Numerous bug fixes in floppy emulation especially around formatting.
• .cmd files now loaded under TRSDOS/LSDOS rather than ROM BASIC.
• Sound mute menu entry and auto-muting paused or using menus.
• Full screen and new sharp rendering mode. (perfectly square pixels with scaling)
• See -vf, -vs, -vi command line options and new View menu.
• Reassigned and new hot keys:
  •     Alt-F5 - reset (also in File menu)
  •     Ctrl-Alt-F5 - cold reset (also in File menu)
  •     F9 - pause (also in File menu)
  •     F11 - screenshot
  •     Shift-F11 - clean shot (screen shot without beam conflict dropouts)
  •     F12 - turbo mode while held
  •     Shift-F12 - turbo mode (also in File menu)
  •     Alt-Enter - toggle full screen mode
  •     Ctrl-Alt-C, Ctrl-Insert - Copy
  •     Ctrl-Alt-V, Shift-Insert - Paste
• Right-click context menu for easier cut/paste and exit of full scren mode.
• Disk files recognized by .dmk, .imd, .dsk suffix so can be listed without
• -dN on command line.  Or with just -d if suffix unknown.
• Can insert unformatted blank disks with "-d dmk" and "-d imd".
• Printer menu to turn off pop-up and turn off printer (also -poff).
• Reset button and RAM badge added to soft keyboard.
• Added IM mode, WZ register, EX latches and Z-80 instruction state to debugger.
• BASICG and hires graphics utilities now on built-in Model II TRSDOS boot disk.
• Handling of reset button and HALT instruction fixed on Model I.
• Clock automatically set for Model 1, 3, 4 built-in TRS-DOS, LDOS and LS-DOS.
• Added -is, -ics, -id, -itime, -im trackdump  and -showframe for automatic input "scripting".
• Add "Replace" to diskette menu for quicker eject + insert workflow.
• Now have -m3n for Norcom emulation (99% just a different character ROM).
• Bug fixes in screenshot when paused.
• Beam debug now defaults to blue for conflict colour and shows the data that would have been displayed if the conflict did not occur.
• Display and beam conflict colours selectable on command line with -vc, -vd.
• Built-in Model 4 LDOS now configured for 4 floppy drives (it had only 2).

Version 2.0.4 - August 27, 2018

• Major update featuring Model II emulation.