mirror of
https://github.com/Abdess/retroarch_system.git
synced 2026-10-10 13:33:24 -05:00
Abdessamad Derraz
11da070128
Upstream moved under 145 profiles: 679 refs shifted and 452 followed a renamed file, against 6,483 that still anchor where they were written. The recale rewrites the located ranges only, keeping the annotations and the sentences that carry them, and 106 pins advance in the same commit because refs and source_commit name one revision or the profile describes two at once. Nothing here was guessed. The 183 refs that are CHANGED, GONE or AMBIGUOUS are untouched, and the 57 profiles holding them keep their old pin until someone reads the diff: profile_sync refuses to recale a profile while any of its refs needs a re-read. trident kept its pin too, its annotated ref being one the writer will not rewrite.
67 lines
2.4 KiB
YAML
67 lines
2.4 KiB
YAML
emulator: vecx
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type: libretro
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core_classification: community_fork
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source: "https://github.com/libretro/libretro-vecx"
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upstream: "https://github.com/jhawthorn/vecx"
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profiled_date: "2026-03-25"
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source_commit: "8f671cc9d737f2890c3ce19e177e2984dcae121f"
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core_version: "SVN"
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display_name: "GCE - Vectrex (vecx)"
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cores:
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- vecx
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systems:
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- gce-vectrex
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notes: |
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vecx is a GCE Vectrex emulator ported to libretro.
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The Vectrex system ROM (8192 bytes) is fully embedded in the binary.
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There are three compile-time BIOS variants in bios/:
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- system.h (STANDARD_BIOS, default) - original Vectrex ROM
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- fast.h (FAST_BIOS) - modified BIOS with faster boot
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- skip.h - modified BIOS that skips the intro
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The default build uses STANDARD_BIOS via #define at libretro.c:20.
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At load time (retro_load_game, libretro.c:736):
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memcpy(rom, bios_data, bios_data_size);
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This copies the compiled-in BIOS data into the rom[8192] array
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(vecx.c:40, mapped at 0xE000-0xFFFF via vecx.c:437-439).
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The core never calls RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY and has
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no code path to load an external BIOS file from disk. No .info file
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is shipped with the repo declaring firmware requirements.
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rom.dat in the repo root is identical to bios/system.bin (same MD5:
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ab082fa8c8e632dd68589a8c7741388f), likely kept for standalone builds.
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files: []
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platform_details:
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bios_mapping:
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target: "0xE000-0xFFFF in Vectrex address space (8 KB)"
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source_ref: "vecx.c:40 (unsigned char rom[8192]), vecx.c:437-439 (read handler)"
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note: |
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CPU reads from 0xE000-0xFFFF are served from rom[] via
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address & 0x1FFF masking. The array is populated from the
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compiled-in bios_data at retro_load_game() time.
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embedded_bios:
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source_ref: "libretro.c:20-30, bios/system.h"
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standard_bios:
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md5: "ab082fa8c8e632dd68589a8c7741388f"
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sha1: "65d07426b520ddd3115d40f255511e0fd2e20ae7"
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size: 8192
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fast_bios:
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md5: "a970aed37cffd29ab3740f8e79518858"
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sha1: "e0900be6d6858b985fd7f0999d864b2fceaf01a1"
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size: 8192
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skip_bios:
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md5: "05f32c2b18b6fb168ab976989e86dfb1"
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sha1: "6c891bd74acb201d54071b310bd6df6617cdf205"
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size: 8192
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note: |
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All three variants are 8192 bytes, compiled as C arrays in
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bios/*.h headers. STANDARD_BIOS is the authentic Vectrex ROM.
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FAST_BIOS and skip are modified versions for faster startup.
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Selection is compile-time only (#ifdef chain, libretro.c:20-30).
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