mirror of
https://github.com/Abdess/retroarch_system.git
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Abdessamad Derraz
b3b3880c19
Profiles that read two repositories, a libretro port and its upstream, now prefix each citation with source or upstream, decided by which tree carries the cited value at its pin. The emulator pages use the word to tell libretro glue, emulator code as the port carries it, and the upstream emulator apart.
64 lines
2.0 KiB
YAML
64 lines
2.0 KiB
YAML
emulator: yabause
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type: libretro
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core_classification: community_fork
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source: "https://github.com/libretro/yabause"
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upstream: "https://github.com/Yabause/yabause"
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profiled_date: "2026-03-25"
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source_commit: "8926b0c6c347f8c5c755911ddb0ac695420ffbf8"
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core_version: "v0.9.15"
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display_name: "Sega - Saturn (Yabause)"
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cores:
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- yabause
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systems:
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- sega-saturn
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notes: |
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Yabause is a software-rendered Sega Saturn emulator. Upstream project is
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dead. The libretro port is maintained by the community on the master branch of
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libretro/yabause.
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Saturn BIOS search order:
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1. {system}/saturn_bios.bin
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2. {system}/sega_101.bin
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3. {system}/mpr-17933.bin
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First file found wins. HLE BIOS available via yabause_force_hle_bios core
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option (reduced compatibility). Multi-disc (m3u) requires real BIOS.
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Addon cartridges: 1M/4M RAM expansion via core option (no files needed).
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ROM cartridge loading, SH1 ROM (CD Block LLE), and MPEG card ROM are
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standalone-only features disabled in the libretro port.
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BIOS loading: retro_load_game() at yabause/src/libretro/libretro.c:1035-1049.
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Core load: LoadBios() at yabause/src/memory.c:1260-1263, T123Load() at yabause/src/memory.h:196-265.
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files:
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- name: "saturn_bios.bin"
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system: sega-saturn
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priority: 1
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required: true
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hle_fallback: true
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max_size: 524288
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validation: [max_size]
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note: "Primary Saturn BIOS. Any region accepted."
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source_ref: "source yabause/src/libretro/libretro.c:1035"
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- name: "sega_101.bin"
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system: sega-saturn
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priority: 2
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required: false
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hle_fallback: true
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max_size: 524288
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validation: [max_size]
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note: "Saturn BIOS v1.01 (Japan). Fallback if saturn_bios.bin missing."
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source_ref: "source yabause/src/libretro/libretro.c:1039"
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- name: "mpr-17933.bin"
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system: sega-saturn
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priority: 3
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required: false
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hle_fallback: true
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max_size: 524288
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validation: [max_size]
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note: "Saturn BIOS (NA/EU). Last fallback."
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source_ref: "source yabause/src/libretro/libretro.c:1043"
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