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CEmu
CEmu emulates TI-84 Plus CE and TI-83 calculator models with functionality for developers, according to its repository page.
About CEmu
CEmu is a third-party emulator for the TI-84 Plus CE and TI-83 Premium CE, focused on developer features. It runs natively on Windows, macOS, and Linux, with a core written in C and a customizable GUI in C++ with Qt.
It provides screen capture, screen recording, USB transfer emulation, and emulation states, along with developer tools for debugging, memory inspection, and scripting. A ROM from the user's own calculator is required via the built-in ROM dump wizard, and CEmu is not a TI product and is not endorsed or affiliated with TI.
Key features
- Built-in ROM dump wizard to get ROM from own calculator
- Customizable emulation speed with throttling toggle
- Screen capture to PNG and recording to animated PNG
- USB emulation for transfers, flash images and external devices
- eZ80 disassembler with breakpoints, watchpoints and code stepping
- Lua scripting with manager, autoload and conditional breakpoints
Best for: Developers who test and debug programs for TI-84 Plus CE and TI-83 Premium CE calculators.
Good for
- Works natively on Windows, macOS, and Linux
- Offers stable releases and auto-updating nightly development builds
- Available in English, French, Spanish, Dutch, and Chinese
Watch out for
- Requires a ROM from your own calculator; no OS download or custom loader included
- Is not a TI product and is not endorsed or affiliated with TI
CEmu at a glance
- Category
- Research & Data › Research & Study Tools
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Platforms
- Linux, macOS, Windows
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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CEmu FAQ
Do I need to provide my own calculator ROM?
Yes, a ROM from your own calculator is required. CEmu includes a ROM dump wizard and does not rely on downloading an OS from TI's website.
Is CEmu made or endorsed by TI?
No. CEmu is not a TI product and is not TI-endorsed or affiliated. The page points to TI-SmartView CE for an official TI CE emulator.
Where can I download stable and development versions?
Official stable releases are available on the releases page, and development builds are available on the auto-updating nightly pre-release.
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