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RetroBIOS

Numero

Numero emulates Texas Instruments TI-83. It reads 3 files, none of them required: it starts games without them.

About this profile
Detail Value
Type libretro
Classification Community fork
Source https://github.com/nbarkhina/numero
Upstream https://github.com/sputt/wabbitemu
Version 1.1, stated in libnumero/libretro/libretronew.cpp
Revision nbarkhina/numero@c0b07a39782f
Profiled 2026-03-24
Profile YAML, JSON
Cores numero
Systems Texas Instruments TI-83
Install this emulator's files

The installer finds your setup and its BIOS folder, then downloads only the files this emulator reads there and checks each one.

Open the Start menu. Type PowerShell and open it. Paste the line. Press Enter.

PowerShell
&([scriptblock]::Create((irm https://abdess.github.io/retrobios/i.ps1))) --emulator numero
Technical notes

Libretro port of Wabbitemu, a TI-83 family calculator emulator. Supports TI-83, TI-83 Plus and TI-83 Plus Silver Edition.

A calculator ROM dump is required. The core searches sequentially in the system directory (libretronew.cpp:575-594): ti83se.rom first, then ti83plus.rom, then ti83.rom. The first found is loaded via rom_load() (libretronew.cpp:608). file_present_in_system() checks existence only via VFS open/close (libretronew.cpp:451-472). No hash or size validation.

Without any ROM, the core shows a blank screen listing the expected filenames (libretronew.cpp:1030-1042). No HLE fallback.

Supports no-content launch (libretronew.cpp:556). Content files (.8xp/.8xk/.8xg) are loaded on top of the running ROM via link cable simulation. Auto-saves calculator state every 10 seconds (libretronew.cpp:1050-1063).

Upstream Wabbitemu supports a wider model range (TI-73 through TI-84+CSE) but the libretro wrapper only searches for TI-83 family filenames. The underlying engine (calc.cpp:rom_load) auto-detects the model from the ROM header.

Files

Section titled “Files”

3 files: 0 required, 3 optional.

In this collection: 3 in repo and 0 missing.

Optional

Section titled “Optional”

ti83se.rom optional in repo

TI-83 Plus Silver Edition ROM dump

Priority and source

ti83plus.rom optional in repo

TI-83 Plus ROM dump

Priority and source

ti83.rom optional in repo

TI-83 ROM dump

Priority and source

Next steps

Section titled “Next steps”
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Maintained by Abdess on GitHub. Report a problem.

Packs from release v2026.10.10, .

MIT for the tooling and metadata. BIOS and firmware files are third-party system software, preserved for personal backup, archival and interoperability.