mirror of
https://github.com/Abdess/retroarch_system.git
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Abdessamad Derraz
315dab82b7
Three changes to the search-list model, one commit because the readers
and the profiles must move together for the schema to hold.
Set requirement in a groups map. pom2 falls back on apple2.rom for the
][ and the ][+, and on apple2e.rom for the //e it boots and for the
unenhanced //e: one required on the file could not say both. A profile
now declares groups: {name: {required}}, a member writes no required
of its own (schema and validate_schemas refuse one) and load_emulator_
profiles derives it, true when one of its sets is. group takes a name,
a list, or a map from set to rank where the rank differs per set. pom2
is grouped from SystemProfile.cpp and MainWindow.cpp:246-296 at its pin.
One member per required set under --required-only. The pick is the
first the code reads among the held members the region filter leaves,
by rank then declaration order; a set the platform declares a member
of is carried by that declaration. The emulator pack, verify
--emulator, the platform pack, its manifest and verify --platform read
alternatives.required_only_spares or core_file_spares.
variant_group is now selection_slot: files a core chooses between by
a rule other than first found (disc territory for PicoDrive and
Pizza Boy SC, the o2em_bios option, a WebAssembly probe in SWF
Player). Where the code takes any one, the field became a group:
ARMSX1 (ArmSxBackend.java:149-157, name order), ePSXe (load_bios
0x433540-0x433621 of the 2.0.5 Linux x64 binary, one configured path,
HLE when BiosHLE is set), FPse and FPse-NG, DXX-Rebirth's HOGs
(inferno.cpp:472-512). odin and zesarux carried it with no effect.
slot.py compares ranks only between candidates that share a set.
217 lines
8.5 KiB
YAML
217 lines
8.5 KiB
YAML
emulator: "Odin"
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type: libretro
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core_classification: community_fork
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source: "https://git.libretro.com/libretro/odin-libretro"
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upstream: "https://github.com/Tovarichtch/Odin"
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source_branch: "libretro"
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profiled_date: "2026-11-09"
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source_commit: "7cc427e4cc048e86753275f664bf0e59bbd002bf"
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upstream_commit: "6ebf2b40ccbca9534d1a0e58b7602db11e4485d9"
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core_version: "v0.1.1-46-g7cc427e"
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version_basis:
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kind: tag
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tag: "v0.1.1"
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distance: 46
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display_name: "Sega - Hikaru / Gaelco PowerVR (Odin)"
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cores:
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- "odin"
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systems:
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- sega-hikaru
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- gaelco-powervr
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notes: |
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Odin, a low-level emulator of the Sega Hikaru board and of Gaelco's PowerVR
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boards (ATV Track, Smashing Drive, Gaelco Football), with a libretro frontend
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by WizzardSK on top of Tovarichtch/Odin. The port's libretro branch holds the
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upstream HEAD 6ebf2b40 as merge base. The ROM loader, the game list and the
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board code are the upstream ones. The only difference in odin-games.json is
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the direction of one Virtual-On lever.
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retro_get_system_info reports library_version "libretro" unless the build
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defines ODIN_LIBRETRO_VERSION, which the CMake files never do.
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ref: src/odin/libretro/libretro_odin.cpp:1926-1936
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The content is a MAME set, recognised by its stem in the game list. The
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list is odin-games.json, embedded in the core and written to
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<system>/odin/odin-games.json whenever the file there differs, then read back.
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The mesh program lists under <system>/odin/shaders/ are written the same way,
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and <system>/odin/cache/ is filled by the renderer. None of these is a file
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the user supplies.
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ref: src/odin/libretro/games_json.S:9, src/odin/libretro/libretro_odin.cpp:1019-1041,
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src/odin/libretro/libretro_odin.cpp:1059-1090, src/odin/libretro/libretro_odin.cpp:1989-1993
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Each file of a section is looked for in the content's folder (a folder
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named after the game, then <game>.zip or .7z), then for the set the list
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names (and for the parent set) as <set>.zip, <set>.7z and a <set>/ folder,
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first in <system>/odin and then beside the content. Inside an archive a member
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matches by size and the CRC32 of the list, the member name is not read. In a
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folder the file matches by size and name, then by size and CRC32. A loose
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file whose CRC32 differs is loaded with an error line in the log.
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ref: src/odin/host/app/rom_files.cpp:296-314, src/odin/host/app/rom_files.cpp:316-347,
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src/odin/host/app/rom_files.cpp:349-380, src/odin/host/app/rom_files.cpp:416-436,
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src/odin/libretro/libretro_odin.cpp:2004-2006
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A section of type alternative loads the first of its files found. A missing
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section stops the load unless the list marks it optional, and the frontend is
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told which sets miss files.
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ref: src/odin/host/app/games.cpp:138-149, src/odin/host/app/games.cpp:1281-1316,
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src/odin/libretro/libretro_odin.cpp:2007-2021
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Every Hikaru game needs mie (315-6146) and the hikaru set: one of three boot
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ROMs and the two EEPROM images 93c46.ic115 and x76f100.ic85. The I/O board
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program (jvs13551 for 837-13551, 18wheelr for NASCAR Arcade's 837-13741) and
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NASCAR Arcade's drive board program (srally2) are optional: without them
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the board's imitation of that part runs.
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ref: odin-games.json:56-93, odin-games.json:583-628,
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src/odin/machine/boards/hikaru/hikaru.cpp:216-233,
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src/odin/machine/boards/hikaru/mie_board.cpp:75-95,
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src/odin/machine/boards/hikaru/hikaru.cpp:496-511
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The Gaelco games read only their own sets, none shared.
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ref: odin-games.json:853-1184
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archive_prefix: "odin"
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groups:
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boot-rom:
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required: true
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files:
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- name: "hikaru.zip"
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path: "odin/hikaru.zip"
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system: sega-hikaru
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required: true
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category: bios_zip
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note: "Hikaru BIOS set. Holds the boot ROM and the two EEPROM images every Hikaru game loads. Also read as hikaru.7z or a hikaru/ folder, in system/odin or beside the game."
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source_ref: "odin-games.json:71-93, src/odin/host/app/rom_files.cpp:349-380"
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- name: "epr-23400a.ic94"
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archive: hikaru.zip
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system: sega-hikaru
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group: boot-rom
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priority: 1
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size: 2097152
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crc32: "2aa906a7"
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validation: [size, crc32]
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note: "Boot ROM v0.96, tried first of the three. One of the three is required. The list names it hikaru_0.96.bin, the name a loose file in a hikaru/ folder is matched by."
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source_ref: "odin-games.json:85-93, src/odin/host/app/games.cpp:138-149, src/odin/machine/boards/hikaru/hikaru.cpp:218-221"
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- name: "epr-23400.ic94"
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archive: hikaru.zip
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system: sega-hikaru
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group: boot-rom
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priority: 2
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size: 2097152
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crc32: "3d557104"
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validation: [size, crc32]
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note: "Boot ROM v0.92, listed as hikaru_0.92.bin."
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source_ref: "odin-games.json:85-93, src/odin/host/app/games.cpp:138-149"
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- name: "epr-21904.ic94"
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archive: hikaru.zip
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system: sega-hikaru
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group: boot-rom
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priority: 3
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size: 2097152
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crc32: "d96298b6"
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validation: [size, crc32]
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note: "Boot ROM v0.84, listed as hikaru_0.84.bin."
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source_ref: "odin-games.json:85-93, src/odin/host/app/games.cpp:138-149"
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- name: "93c46.ic115"
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archive: hikaru.zip
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system: sega-hikaru
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required: true
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size: 128
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crc32: "737dc714"
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validation: [size, crc32]
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note: "Main board 93C46 EEPROM image. Its section is not optional, so a set without it does not load."
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source_ref: "odin-games.json:71-77, src/odin/host/app/games.cpp:1305-1312, src/odin/machine/boards/hikaru/hikaru.cpp:298-303"
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- name: "x76f100.ic85"
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archive: hikaru.zip
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system: sega-hikaru
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required: true
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size: 132
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crc32: "194c6c18"
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validation: [size, crc32]
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note: "ROM board X76F100 EEPROM image. Its section is not optional, so a set without it does not load."
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source_ref: "odin-games.json:78-84, src/odin/host/app/games.cpp:1305-1312, src/odin/machine/boards/hikaru/hikaru.cpp:304-308"
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- name: "mie.zip"
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path: "odin/mie.zip"
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system: sega-hikaru
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required: true
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category: bios_zip
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note: "MIE MCU firmware set. Also read as mie.7z or a mie/ folder, in system/odin or beside the game."
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source_ref: "odin-games.json:56-62, src/odin/host/app/rom_files.cpp:349-380"
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- name: "315-6146.bin"
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archive: mie.zip
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system: sega-hikaru
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required: true
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size: 2048
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crc32: "9b197e35"
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validation: [size, crc32]
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note: "MIE Z80 program. The board refuses an image that is not 2048 bytes."
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source_ref: "odin-games.json:56-62, src/odin/machine/boards/hikaru/hikaru.cpp:230-234"
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- name: "jvs13551.zip"
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path: "odin/jvs13551.zip"
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system: sega-hikaru
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required: false
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hle_fallback: true
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category: bios_zip
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note: "837-13551 JVS I/O board set, for every Hikaru game but NASCAR Arcade. Without it the I/O board is imitated."
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source_ref: "odin-games.json:63-70, src/odin/machine/boards/hikaru/mie_board.cpp:75-95"
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- name: "315-6215.bin"
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archive: jvs13551.zip
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system: sega-hikaru
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required: false
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hle_fallback: true
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size: 16384
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crc32: "98202738"
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validation: [size, crc32]
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note: "TMP90PH44 program of the 837-13551 I/O board, run when its size is the chip's ROM size."
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source_ref: "odin-games.json:63-70, src/odin/machine/boards/hikaru/mie_board.cpp:83-85"
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- name: "18wheelr.zip"
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path: "odin/18wheelr.zip"
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system: sega-hikaru
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required: false
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hle_fallback: true
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category: bios_zip
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note: "MAME set of 18 Wheeler, read for the program of the 837-13741 I/O board NASCAR Arcade uses. Without it that board is imitated."
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source_ref: "odin-games.json:590-597, src/odin/machine/boards/hikaru/mie_board.cpp:75-95"
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- name: "epr-21868.ic7"
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archive: 18wheelr.zip
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system: sega-hikaru
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required: false
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hle_fallback: true
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size: 65536
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crc32: "c306a51f"
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validation: [size, crc32]
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note: "837-13741 I/O board EPROM."
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source_ref: "odin-games.json:590-597, src/odin/machine/boards/hikaru/mie_board.cpp:86-88"
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- name: "srally2.zip"
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path: "odin/srally2.zip"
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system: sega-hikaru
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required: false
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hle_fallback: true
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category: bios_zip
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note: "MAME set of Sega Rally 2, read for the program of the 838-13366 drive board NASCAR Arcade's steering wheel uses. Without it the drive board is imitated."
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source_ref: "odin-games.json:598-605, src/odin/machine/boards/hikaru/hikaru.cpp:496-511"
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- name: "epr-20512.bin"
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archive: srally2.zip
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system: sega-hikaru
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required: false
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hle_fallback: true
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size: 65536
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crc32: "cf64350d"
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validation: [size, crc32]
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note: "838-13366 drive board program, run when its size is the board's ROM size."
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source_ref: "odin-games.json:598-605, src/odin/machine/boards/hikaru/hikaru.cpp:500-502"
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