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Every profile now has: - profiled_date: date of source code analysis - core_version: version from libretro-core-info .info files - display_name: human-readable name from .info files 260/260 profiles complete. 294/294 libretro cores covered. Standalone emulators (cemu, rpcs3, xemu, vita3k) versioned manually.
83 lines
2.9 KiB
YAML
83 lines
2.9 KiB
YAML
emulator: Numero
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type: libretro
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source: "https://github.com/nbarkhina/numero"
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profiled_date: "2026-03-18"
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core_version: "v1.0"
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display_name: "Texas Instruments TI-83 (Numero)"
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cores:
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- numero
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systems:
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- ti-83
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notes: |
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Numero is a TI-83 family calculator emulator for libretro, based on the
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Wabbitemu emulator. Supports TI-83, TI-83 Plus and TI-83 Silver Edition.
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A calculator ROM dump is required to run. The core searches for ROM files
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in the system directory root with a fixed priority order
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(libretronew.cpp:575-594):
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1. ti83se.rom (TI-83 Silver Edition, recommended -- largest storage)
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2. ti83plus.rom (TI-83 Plus)
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3. ti83.rom (TI-83)
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The first file found wins. file_present_in_system() checks existence only
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(libretronew.cpp:451-472), then rom_load() loads it (libretronew.cpp:608).
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There is no fallback or built-in ROM. If none of the three files are found,
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the core starts without a BIOS and shows a blank screen with a status
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message listing the expected filenames (libretronew.cpp:1034-1041).
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The core supports no-content launch (RETRO_ENVIRONMENT_SET_SUPPORT_NO_GAME
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is set to true, libretronew.cpp:555-556). Content files are .8xp/.8xk/.8xg
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calculator programs loaded on top of the running ROM.
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The emulator auto-saves calculator state every 10 seconds to preserve RAM
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contents (the TI-83 has no persistent storage beyond battery-backed RAM).
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files:
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- name: "ti83se.rom"
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system: ti-83
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description: "TI-83 Silver Edition ROM dump"
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required: false
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source_ref: "libretronew.cpp:576-578"
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notes: "Checked first. Recommended by the author for largest storage capacity."
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- name: "ti83plus.rom"
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system: ti-83
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description: "TI-83 Plus ROM dump"
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required: false
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source_ref: "libretronew.cpp:583-585"
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notes: "Checked second, used if ti83se.rom is missing."
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- name: "ti83.rom"
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system: ti-83
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description: "TI-83 ROM dump"
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required: false
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source_ref: "libretronew.cpp:591-593"
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notes: "Checked last. Original TI-83 (non-Plus) ROM."
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platform_details:
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bios_search:
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source_ref: "libretronew.cpp:451-472, 575-608"
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notes: |
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file_present_in_system() opens a read handle via libretro VFS to
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test file existence. The search is sequential: ti83se.rom first,
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then ti83plus.rom, then ti83.rom. Only one ROM is loaded.
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rom_loading:
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source_ref: "src/Interface/calc.cpp (rom_load)"
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notes: |
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rom_load() detects the calculator model from the ROM image header
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and initializes the appropriate hardware (83, 83+, 83SE). Each
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model gets its own progress/save directory via setProgressDir().
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content_loading:
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formats: "8xp, 8xk, 8xg"
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source_ref: "libretronew.cpp:483, 769"
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notes: |
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Calculator programs (.8xp), apps (.8xk) and groups (.8xg) are
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loaded into the running calculator via the sendfile mechanism,
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simulating the link cable transfer. Multiple programs can be
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loaded sequentially onto the same ROM session.
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