Calculator

CEmu is an open-source CE Calculator Emulator

Hazem Abbas

13 Feb 2024 — 2 min read

CEmu is a third-party calculator emulator for TI-84 Plus CE / TI-83 Premium CE, designed for developers. It works on Windows, macOS, and Linux, programmed in C and C++ with Qt for performance and portability. Note that CEmu is not an official TI product.

CEmu works natively on Windows, macOS, and Linux!

Features

Standard features

Built-in ROM dump wizard. CEmu does not rely on downloading an OS from TI's website nor does it have a custom boot/loader: a ROM from your own calculator is required. CEmu makes it very easy to get it.
Accurate and fast emulation (you can also customize the speed and even toggle throttling)
Resizable calculator screen
"Always-on-top" window option
Screen capture, copy, and drag'n'drop (PNG)
Screen recording (animated PNG)
USB emulation for transfers (including for Apps and OSes)
Customizable keybindings with multiple presets
Keypress recording and history
Full screen modes (F11 key)
Emulation states for efficient saving / restoring
CE skins (colors like the real devices)
Available in English, French, Spanish, Dutch, and Chinese

Developer features

Main options available via CLI arguments
IPC features when launching several CEmu processes
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
Rich text console for easier logging/debugging
Code stepping, jumping...
R/W/X breakpoints, watchpoints
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
Tracking of flash cache misses and average access time
Memory visualizer (as fully customizable virtual LCDs)
Stack viewer
OP1-7 viewer
FP and OP stacks viewer/editor
Variable Allocation Table (VAT) viewer
Variable list with preview and program launcher
TI-Basic program viewer with syntax-highlight and reformatting
TI-Basic program debugger with line-by-line stepping
Recent files list with ability to quickly resend
Cycle counter for benchmarking/profiling
Emulation of DMA and SPI (for optimal accuracy)
Misc. emulation (backlight, battery...)
"Autotester" (automated unit testing, light scripting)

License

CEmu is licensed under the GPLv3.
Acknowledgements: Some CEmu parts are, directly, modified, or inspired, from z80e, Firebird, libtifiles, tivars_lib_cpp, KDMacTouchBar, and FatCow's "Farm-Fresh Web Icons".
The complete licensing information is available in the LICENSE file.

Resources & Downloads

Home - CEmu

CEmu

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