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Orion TI-84 Plus
* Color Z80: Featuring Zilog Z80 microprocessor but with color LCD and rechargeable lithium-ion batteries. There is only one model in this generation: TI-84 Plus C Silver Edition.
* eZ80: Featuring Zilog eZ80 microprocessor with color LCD and rechargeable lithium-ion batteries. Including TI-83 Premium CE (Python Edition) and TI-84 CE (Python Edition).
====Orion TI-84 Plus====
TI-84 Orion is a special model released by Texas Instruments, in cooperation with Orbit Research, for people with vision impairment. This model has a speech module attached powered by its own ARM processor and reads out keys being pressed, calculation results, error messages, etc., and such voice messages could be redirected to an external Braille display.
None of the emulators could fully emulate this model yet. MAME lists this model as a "bootleg", with its basic functionalities works, but the speech module is left completely undumped and unemulated.
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