A CE Emulator

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What is CEmu?

CEmu is a third-party TI-84 Plus CE / TI-83 Premium CE calculator emulator, focused on developer features. The core is programmed in C and the GUI in C++ with Qt, for performance and portability reasons.
CEmu works natively on Windows, macOS, and Linux!

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Standard features

We provide awesome features for everyone to enjoy!

• Easy setup - get running by doing a one-time only connection of your calculator!
• Accurate and fast emulation
• Customizable speed/throttling
• Resizable calculator screen
• "Always-on-top" window option
• Screen capture, copy, and drag'n'drop (PNG)
• Screen recording (animated PNG)
• File sending/receiving (including for Apps/OS yet)
• Multiple keybinding presets (customizable)
• Keypress history
• Full-screen modes
• Emulation states for efficient saving / restoring
• Color skins (like the real devices)
• Available in English, French, Spanish, Dutch, and Chinese

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Developer features

We also provide powerful debugging and introspection features for CE developers as well!

• Main options available via CLI arguments
• IPC features when launching several CEmus
• Choice of ASIC / HW revision emulation (A, pre-I, M+...)
• Import/Export RAM/ROM/images...
• Custom display refresh rate, FPS indicator
• Custom emulation speed/throttling
• Code stepping, jumping...
• R/W/X breakpoints
• eZ80 disassembler (with equates support)
• Port monitor/editor
• General Timer monitor/editor
• Memory viewer/editor
• CPU state/registers viewer/editor
• LCD state/parameters viewer/editor
• Advanced LCD paramters emulation
• User/System variables viewer
• Memory visualizer (as customizable virtual LCDs)
• TI-Basic debugging with code stepping
• Variable list with preview and program launcher
• Cycle counter for benchmarking/profiling
• Emulation of DMA and SPI (for optimal accuracy)
• Misc. emulation (backlight, battery...)
• "Autotester" (automated unit testing, light scripting)
• And much more...