mirror of
https://github.com/Abdess/retroarch_system.git
synced 2026-11-11 12:33:53 -06:00
Abdessamad Derraz
87683d9bd7
A line cited in a config_reads condition is read as prose at the profile's pin, not at the build the entry describes. The lines move into the key's source_ref, which is read at that build.
124 lines
5.2 KiB
YAML
124 lines
5.2 KiB
YAML
emulator: "YabaSanshiro"
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type: standalone + libretro
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core_classification: official_port
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source:
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libretro: "https://github.com/libretro/yabause/tree/yabasanshiro"
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standalone: "https://github.com/sydarn/yabause/tree/pi4-update"
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upstream: "https://github.com/devmiyax/yabause"
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profiled_date: "2026-10-24"
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source_commit:
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libretro: "09ed8e5b2e97e7a848ea2514545c34c7b809e399"
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standalone: "a40dace1ae0af3ebd45848549fdf396f40e3930f"
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core_version:
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libretro: "3.4.2"
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standalone: "1.11.beta3"
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version_basis:
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libretro:
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kind: file
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path: "yabause/src/libretro/Makefile.common"
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pattern: '-DVERSION=\\"([^\\"]+)\\"'
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standalone:
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kind: file
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path: "yabause/CMakeLists.txt"
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pattern: 'set\(YAB_VERSION_MAJOR (\w+)\)\nset\(YAB_VERSION_MINOR (\w+)\)\nset\(YAB_VERSION_PATCH (\w+)\)'
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format: "{1}.{2}.{3}"
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display_name: "Sega - Saturn (YabaSanshiro)"
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cores:
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- yabasanshiro
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- "yabasanshiro-2"
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- "yabasanshiroSA"
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- "yabasanshiro-sa"
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- "yabasanshiro-libretro"
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- "yabasanshiroSA1_5"
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systems:
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- sega-saturn
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data_root:
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linux:
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path: "~/.yabasanshiro"
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source_ref: "yabause/src/retro_arena/main.cpp:292-301"
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note: "Created at startup. Holds backup.bin, keymapv2.json, the per-game settings files, save states and screenshots. No firmware is read from it."
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config_reads:
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- file: "yabause.ini"
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platforms: [retrobat]
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binary_sha256: "54f89ad3d45f078422616b794e9f7d400a37af0fbb00b31d3ba5a3b66516bf27"
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revision_from: "yabasanshiro.exe of RetroBat's stable yabasanshiro.7z (2026-08-08), version 1.20.32 (0x141206de8), the yabasanshiro-1.20.32-3989ac release of 2026-07-31 whose source is not public"
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source_ref: "yabasanshiro.exe 0x14001ae2c-0x14001ae58, yabasanshiro.exe 0x1400cea2c-0x1400cea33, yabasanshiro.exe 0x1400ce4d5-0x1400ce59e, yabasanshiro.exe 0x1400ce5a3-0x1400ce61f, yabasanshiro.exe 0x1400ce44a-0x1400ce496, yabasanshiro.exe 0x1400ce339-0x1400ce394"
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keys:
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- key: "[0.9.11] General\\EnableEmulatedBios"
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source_ref: "yabasanshiro.exe 0x1400d248f-0x1400d2512"
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- key: "[0.9.11] General\\Bios"
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source_ref: "yabasanshiro.exe 0x1400d251b-0x1400d258c, yabasanshiro.exe 0x1400cf162-0x1400cf166, yabasanshiro.exe 0x14016d957-0x14016d98f, yabasanshiro.exe 0x14016f3ad-0x14016f4b4, yabasanshiro.exe 0x14016d997-0x14016d9f7"
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condition: "General\\EnableEmulatedBios false; an empty value runs the HLE BIOS, a file that does not open stops init"
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notes: |
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YabaSanshiro is a Sega Saturn emulator by devmiyax, forked from Yabause.
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Requires OpenGL 3.3 or OpenGL ES 3.0.
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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. Without any of the three the core refuses the
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game, even with the yabasanshiro_force_hle_bios core option set
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(yabause/src/libretro/libretro.c:1064-1071).
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Addon cartridges: 1M/4M RAM expansion via core option (no files needed).
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ROM cartridge and MPEG card ROM loading disabled in libretro port
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(cartpath = empty, mpegpath = NULL).
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BIOS loading: retro_load_game() at yabause/src/libretro/libretro.c:1048-1071.
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Core load: LoadBios() at yabause/src/memory.c:1353-1356, T123Load() at yabause/src/memory.h:219-289.
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Standalone: the retro_arena SDL2 front end of the sydarn/yabause
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pi4-update branch, built with -DYAB_PORTS=retro_arena. It prints version
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1.11.beta3 (yabause/CMakeLists.txt:15-18, yabause/src/config.h.in:5). It
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opens a BIOS only at the path given with -b or --bios, under any name.
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Without it biospath stays NULL and the core runs its HLE BIOS
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(yabause/src/retro_arena/main.cpp:161, yabause/src/retro_arena/main.cpp:230-234,
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yabause/src/retro_arena/main.cpp:325-328, yabause/src/yabause.c:373-388).
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The image is read through T123Load, which truncates a file above 512 KiB
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and checks nothing else (yabause/src/memory.c:1400-1403,
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yabause/src/memory.h:219-242). A -b path that cannot be read stops
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YabauseInit. The MPEG card and ROM cartridge paths stay empty, so no
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other firmware is read.
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ROCKNIX passes -b with the first of saturn_bios.bin, sega_101.bin,
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mpr-17933.bin, mpr-18811-mx.ic1, mpr-19367-mx.ic1 and stvbios.zip found
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under its BIOS folder when its use_hlebios setting is 1
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(ROCKNIX projects/ROCKNIX/packages/emulators/standalone/yabasanshiro-sa/scripts/start_yabasanshiro.sh:80-91).
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AmberELEC passes saturn_bios.bin from its BIOS folder unless HLE is
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selected (AmberELEC packages/games/emulators/yabasanshiroSA/yabasanshiro.sh:63-70).
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Both build the pi4-update tip and patch the home directory to
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/storage/.config/yabasanshiro.
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groups:
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saturn-bios:
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required: true
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files:
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- name: "saturn_bios.bin"
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system: sega-saturn
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mode: libretro
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group: saturn-bios
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priority: 1
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note: "Primary Saturn BIOS. Any region accepted."
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source_ref: "yabause/src/libretro/libretro.c:1048"
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- name: "sega_101.bin"
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system: sega-saturn
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mode: libretro
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group: saturn-bios
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priority: 2
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note: "Saturn BIOS v1.01 (Japan). Fallback if saturn_bios.bin missing."
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source_ref: "yabause/src/libretro/libretro.c:1052"
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- name: "mpr-17933.bin"
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system: sega-saturn
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mode: libretro
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group: saturn-bios
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priority: 3
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note: "Saturn BIOS v1.003 (NA/EU). Last fallback."
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source_ref: "yabause/src/libretro/libretro.c:1056"
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