[TRS] TRS80gp v2.5.5

Version 2.5.5 - June 1, 2025

• Debug → File Utility window to examine and manipulate disk files.
• Scripting commands to control TRS-80 and UI. http://48k.ca/trs80gp.html#script
• Add your own commands to Custom menu with -menu
• Run commands at boot with -cmd
• Run commands along with with automatic input using -icmd
• Keyboard auto de-turbo now works on linux and mac.
• Can pass arguments to endpoints: -p [ :mx70 -mute ]
• Serial port, printer and other dialogs have explicit enable checkbox.
• Motorola S-record file loading.
• Fix linux crash when resizing window in turbo mode.
• Fix linux crash when media key like "pause" or "next track" pressed.
• Fix crash/emulation errors when examining active HFE disk images in Disk Viewer.
• Fix crash formatting single-density only DMK files as double density.
• "Typing" keyboard layout (-kl typ) better for Level 1, TRSDOS 2.3, CP/M input.
• Keyboard layout and ghosting now remembered as user preferences.
• Paste modes for injecting text on unsupported operating systems + programs.
• Added "-ib file" to run trs80gp script commands from a file.
• Input system (-i flags) timing more consistent and useful.
• Added "-ifr file" to paste in a file with no line ending translation.
• Direct loaded BASIC programs can have multiple-line lines.
• Bus tracing can be limited to address ranges with -tr low:high,l2:h2
• Output registers to bus trace with -trpr A,HL or similar
• Loading symbols with -ls still allows boot into DOS.
• Symbols now appear in profiler output.
• Copy screen to clipboard sometimes failed in graphics-only mode under Windows.
• -cix option to turn off warning when cassette I/O seen and interrupts enabled.
• Trim trailing spaces and blank lines when copying text screen.
• Pasting to Tandy 10 faster and more reliable.
• Add "save image" to printer window in Windows.
• MX-70 can automatically pause at the end of every page.
• MX-70 tractor feed and perforations can be turned off.
• MX-70 reset puts printer into default mode; cold restart drops pages.
• MX-70 no longer gets bad line height if high bit set in size.
• Stop -turbo from skipping renders; it was triggering legacy code.
• On Windows sub-processes like from -p :mx70 don't steal the focus.
• IMD/JV3 with CRC errors now report those errors to the FDC.
• Blank double-sided diskette images moved to Other submenu to reduce clutter.
• Add Cassette to Device Viewer.

Version 2.5.4 - November 17, 2024

• Tandy 10 emulation.
• Stop quadratic slowdown as printer output grows.
• Hardware serial port access on linux and mac via -r /dev/tty/USB0 or such.
• Becker port support for CoCo; -bck host:port or Serial → Becker menu.
• 68000 debugger for Model 16/6000 was always single stepping.
• MC-10 PEEK(2) quick keyboard check working; helps many Jim Gerrie games.
• Correct Model 3 and 4 memory mapped printer port to be read-only.
• Control of delay before cassette auto-save via -csd or Cassette → Save menu.
• Cassette now starts if inserted while CLOAD or SYSTEM in progress.
• Show .wav files in cassette open dialog by default if supported.
• Less awkward breakpoint GUI with a single window and addr1:addr2 for ranges.
• Printing on LDOS no longer reboots; emulator ignored printer interrupt disable.
• Model 2 hard-drive TRSDOS booting again. Oddly, same bug as LDOS printing.
• Replaced patched TRSDOS with proper Japanese TRSDOS.
• Allow Model 2/12/16/6000 access to Orchestra 90. Theoretically possible.
• Real Time Clock for Xenix enabled by default and now controlled by -rtc16 -rtc16x.
• CoCo cassette relay sound effects.
• CoCo Program Pak autostart control via menu or turned off by -pakq file.ccc.
• Printer window auto scrolls to bottom again on output.
• DT-1 half intensity display mode implemented.
• Event stream (-event endpoint) allowing external programs to blink LEDs, etc.
• Minor .wav output correction as .wav files should be an even number of bytes.
• CoCo FDC timing adjusted to hit 300 RPM precisely.
• FreHD emulation supports DSK/DCT LDOS driver to mount read-only disk images.

Version 2.5.3 - April 23, 2024

• Model 1, 3, 4 now accept .wav files as cassette input.
• Add -pp/-ppx options to control printer window pop-up.
• $37EA and $37EB are now memory mapped printer port aliases on Model I.
• Model 1 RS-232 sense switches (thanks to Tuc for hardware tests).
• Model 1/3/4 RS-232 receive bug fixed.
• Add loopback device to RS-232 choices (-r :loop on command line)
• Add -rx option to disable RS-232 on Model 1,2,3,4,12,16.
• CoCo BASIC ROM 1.0 printer output fixed.
• Text pasting works for CoCo 1.0 and 1.1 ROMs.
• Semigraphics 6 modes will display alternate palette (Electric Crayon, MC-10, CoCo).
• Printer auto-turbo works for all models now.
• Add "-im disksummary" and disksummary on drive exports to output a summary of drive structure just like the Disk Viewer window.
• Model 4 software keyboard no longer missing '+' character on keycap.
• trs80gp -m1 -dx no longer loads lower case driver by default; use -lld to do so.

Version 2.5.2 - December 9, 2023

• Hard drive controller now correctly drops DRQ when READ buffer is finished, fixing hard drive access from NEWDOS/80 2.5.
• Model 2 family hires graphics no longer sometimes hang emulator.
• Use Z-180 CPU with -z180 giving sufficient but incomplete XLR8er support.
• Show location of memory search match in address text box.
• Automated input no longer waits for input ready before proceeding.
• Z-80 debugger EXX and other register exchange checkboxes would not always reflect actual flip-flop states but registers would be correctly swapped.
• Made Z-80 emulator extensions (-ee) easily accessible to BASIC with INP(71).
• Z-80 debugger memory read traps now catch push/pop and other stack operations.
• Debugger allows 'h' suffix on pasted hexadecimal input.
• On Windows Shift+Insert and Shift+Delete working again in the debugger window.
• On Windows Ctrl+A works for "Select All" on all text input boxes.
• Windows version didn't notice when children from "-rA :dt1" and such went away.
• Don't spuriously warn about interrupts when CMD"T":CLOAD and such are used. CMD"T" doesn't immediately disable interrupts: http://48k.ca/cmdt.html
• Automatic turbo mode when printing to printer; settable by menu or -pt/-ptx.
• Pasted or command line input auto turbo controllable by menu or -iat/-iatx.
• Significantly improved "-ip" throughput (was only 1 character/frame).
• -itime 0 now disables input feed timeout.

Version 2.5.1 - September 3, 2023

• Linux joystick support.
• Type current date/time with -iy '%m/%d/%y' or -iy '%h:%i:%s'; %Y is full year. Model 2 users: trs80gp -m2 -iw YYYY -iy "%m/%d/%Yr%h.%i.%sr"
• Support Color Computer SG-8 semigraphics mode
• Color Computer Program Paks were limited to 8K due to a typo.
• Color Computer reset works when in OS-9 or 64K mode in general.
• Color Flex 5.0.4 keyboard input fixed (it was seeing entire columns at once).
• Sound now audible on Color Computer Demon Attack.
• Model 1 CLOAD fixed when using earlier ROM revisions under TRSDOS.
• Model 1 LEVEL II BASIC data .cas files no longer mis-identified as 250 baud.
• Warning if cassette used on Model 1 disk system without CMD"T" with option to turn off interrupts so cassette operation will function properly.
• Correctly exports first file on Aculab wafer rather than ejecting the wafer.
• FreHD emulation bug on Windows prevented access to files with paths.
• Linux "Change Model" would fail if trs80gp was not on the $PATH.
• Some illegal EXG instructions could crash Videotex or CoCo.
• halt, irq, nmi states in Z-80 in disassembly for less confusing stepping.
• Stopped Z-80 suprious breakpoints in halt state or when interrupt pending.
• 68000 execution speed more realistic and decoupled from Z-80.
• 68000 speed selectable with -mhz16 N, default 8; closest to divisor of 312.
• Approximate video beam dropouts in Model 2/12/16/6000.
• Implemented import/export of Model II TRS-DOS variable length record files.
• Scroll Lock and ctrl+shift+@ now work as Model 2/12/16/6000 HOLD key on linux. And