v2.0: Major core and GUI improvements + new features

After many years and around 450 commits, it's finally here... CEmu is more accurate and more powerful than ever before :)

Downloads:

• Windows (64-bit): Qt6 (recommended for Win10+) ; Qt5 (Win7+)
• Windows (32-bit): Qt5 (for older PCs)
• macOS (64-bit): Qt6 arm / Qt6 intel ; Qt5 intel (10.15+)
• Linux (64-bit, glibc 2.29+): Qt6 shared libs ; Qt6 static libs

All binaries are provided by our CI (GitHub Actions). Packages for various Linux distros are available from OBS.

What changed

Note that this summary is a mixed bag of new features since the latest release, as well as fixes to things added since then, as a lot of you were (rightfully) using nightly builds.

Core:

• Support for real host->emu transfers (USB emulation), by @jacobly0. i.e. you can now transfer Apps and OSes normally
• Support for rev M+ hardware (excluding Python coprocessor), by @jacobly0 and @calc84maniac.
• Major LCD emulation improvements, by @calc84maniac.
• Major watchdog timer rewrite based on hardware research, by @calc84maniac.
• Prepare future Python-related features, by @jacobly0 and @calc84maniac (SPI, UART...)
• Big endian support, by @calc84maniac
• Make keypress emulation thread-safe, by @calc84maniac
• Lots of other misc. fixes and improvements (timing, accuracy, performance, rst/trap edge cases...)

GUI:

• Proper dark mode support (be sure to use Qt6 builds)
• Improved display of emulation speed and screen refresh rate
• Screenshots/recordings now have correct screen brightness
• Fix fullscreen mode when using multiple monitors
• Add upscale method and fullscreen aspect ratio settings
• Add vertical printing to Keypress History
• Add calculator skins for newer models, and some new color variants
• Add some debugging features for TI-Basic (step-by-step execution, live variable preview etc.)
• Fix name of a few OS variables in some cases (some were labeled Ans, formula lists support...)
• Fix crash upon trying to export natural keymap (you can't)
• Fix byte display order in disassembler for index bit instructions
• Fix R register in debugger.
• Deduplicate imported equates in the debugger
• Add/improve variable content preview (tivars_lib_cpp updates)
• Add disassembler option for tabs between the opcode and operands
• Fix "Pause emulation" preventing CEmu from closing
• Add SmartPad keymap (for use with the calc app)
• Add screenshot IPC command/option
• macOS: fix screenshot drag'n'drop
• Add --reset CLI option to clear the config
• New/improved translations by @Stephan-P (NL), @wolfarmoon (ES), @Jerry23011+@LifeEmu (CN)
• Better version update check
• Lots of various fixes

CI / Build:

@calc84maniac and @adriweb have been improving the build system and CI workflows:

• Move the CI to GitHub actions (now provide builds for all three OSes)
• macOS: native builds available for both Intel and Apple Silicon
• macOS: the builds are now codesigned and notarized automatically
• Take care of some LTO issues
• Update to latest Qt5 and Qt6
• CMake support (with vcpkg integration)

Full Changelog: v1.3...v2.0

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By the way, here is what TI-Basic debugging looks like, along with a short animation of live variable view while debugging:

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❤️ We thank all of our contributors, and you, users, as well - Enjoy the new release!