mirror of
https://github.com/Abdess/retroarch_system.git
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9052a6b750
New two-tier architecture: - Tier 1: Platform configs (what the UI checks) - unchanged - Tier 2: Emulator profiles (what the code actually loads) 11 emulator profiles from source code analysis: cemu, citra, dolphin, duckstation, flycast, melonds, pcsx2, ppsspp, rpcs3, vita3k, xemu Each profile documents every file the emulator loads with source code references (file:line), hashes, and notes. New scripts/cross_reference.py computes gaps between what platforms declare and what emulators need. Current gap: 200 undeclared files, 24 already in repo. DuckStation alone recognizes 105 PS1/PS2 BIOS variants. generate_pack.py gains --include-extras flag (future use). _registry.yml maps platforms to their emulators.
186 lines
6.0 KiB
YAML
186 lines
6.0 KiB
YAML
emulator: Flycast
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type: standalone + libretro
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source: "https://github.com/flyinghead/flycast"
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systems:
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- sega-dreamcast
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- sega-naomi
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- sega-naomi2
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- sega-atomiswave
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- sega-systemsp
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notes: |
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Flycast has a built-in HLE BIOS (reios) for Dreamcast that can boot most
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games without real BIOS files. Arcade systems (NAOMI, NAOMI2, Atomiswave,
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System SP) require MAME-format BIOS ROM archives.
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Hikaru and Triforce are NOT supported by Flycast.
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BIOS file search uses prefix + name pattern. The emulator looks in configured
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"Content Path" directories for these files (standalone) or the system directory
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(libretro).
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File loading logic: core/hw/flashrom/nvmem.cpp loadFiles() and
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core/hw/naomi/naomi_cart.cpp loadBios().
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The prefix is determined by platform (nvmem.cpp:36-49):
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Dreamcast -> dc_
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NAOMI -> naomi_
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NAOMI 2 -> naomi2_
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Atomiswave -> aw_
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Boot ROM search pattern (nvmem.cpp:287):
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{prefix}boot.bin, {prefix}boot.bin.bin, {prefix}bios.bin, {prefix}bios.bin.bin
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files:
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# -------------------------------------------------------
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# Sega Dreamcast
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# -------------------------------------------------------
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- name: "dc_boot.bin"
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system: sega-dreamcast
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required: false
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size: 2097152 # 2 MB
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note: "Dreamcast boot ROM. HLE BIOS (reios) used as fallback."
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source_ref: "core/hw/flashrom/nvmem.cpp:287"
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- name: "dc_bios.bin"
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system: sega-dreamcast
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required: false
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size: 2097152
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note: "Alternate name for Dreamcast boot ROM."
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source_ref: "core/hw/flashrom/nvmem.cpp:287"
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- name: "dc_flash.bin"
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system: sega-dreamcast
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required: false
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size: 131072 # 128 KB
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note: "Dreamcast flash memory (settings, saves). Created if missing."
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source_ref: "core/hw/flashrom/nvmem.cpp:246"
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# -------------------------------------------------------
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# Sega NAOMI
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# -------------------------------------------------------
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- name: "naomi_boot.bin"
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system: sega-naomi
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required: false
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size: 2097152 # 2 MB
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note: "NAOMI boot ROM (flat binary). Alternative to naomi.zip."
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source_ref: "core/hw/flashrom/nvmem.cpp:287"
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- name: "naomi.zip"
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system: sega-naomi
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required: true
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note: >
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NAOMI system BIOS archive (MAME format). Contains region-specific
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BIOS ROMs: epr-21576h.ic27 (Japan), epr-21577h.ic27 (USA),
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epr-21578h.ic27 (Export), epr-21579d.ic27 (Korea).
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source_ref: "core/hw/naomi/naomi_roms.cpp:87-143"
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# NAOMI special BIOS sets (game-specific, loaded from game archive or standalone)
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- name: "airlbios.zip"
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system: sega-naomi
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required: false
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note: "Airline Pilots Deluxe BIOS. epr-21802.ic27 (Export), epr-21801.ic27 (USA)."
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source_ref: "core/hw/naomi/naomi_roms.cpp:30-37"
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- name: "f355bios.zip"
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system: sega-naomi
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required: false
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note: "Ferrari F355 Challenge BIOS. Japan/USA/Export variants."
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source_ref: "core/hw/naomi/naomi_roms.cpp:49-58"
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- name: "f355dlx.zip"
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system: sega-naomi
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required: false
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note: "Ferrari F355 Challenge Deluxe BIOS. Japan/USA/Export variants."
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source_ref: "core/hw/naomi/naomi_roms.cpp:60-74"
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- name: "hod2bios.zip"
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system: sega-naomi
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required: false
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note: "House of the Dead 2 BIOS. Japan/USA/Export variants."
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source_ref: "core/hw/naomi/naomi_roms.cpp:76-85"
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- name: "naomigd.zip"
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system: sega-naomi
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required: false
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note: "NAOMI GD-ROM BIOS. Used by GD-ROM based NAOMI games."
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source_ref: "core/hw/naomi/naomi_roms.cpp:158-181"
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# -------------------------------------------------------
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# Sega NAOMI 2
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# -------------------------------------------------------
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- name: "naomi2_boot.bin"
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system: sega-naomi2
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required: false
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size: 2097152 # 2 MB
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note: "NAOMI 2 boot ROM (flat binary). Alternative to naomi2.zip."
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source_ref: "core/hw/flashrom/nvmem.cpp:287"
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- name: "naomi2.zip"
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system: sega-naomi2
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required: true
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note: >
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NAOMI 2 system BIOS archive (MAME format). Contains region-specific
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ROMs: epr-23605c.ic27 (Japan), epr-23607c.ic27 (USA),
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epr-23608c.ic27 (Export), epr-23609b.ic27 (Korea).
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source_ref: "core/hw/naomi/naomi_roms.cpp:183-201"
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# -------------------------------------------------------
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# Sega Atomiswave
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# -------------------------------------------------------
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- name: "awbios.zip"
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system: sega-atomiswave
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required: true
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note: >
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Atomiswave system BIOS archive (MAME format). Contains
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bios0.ic23 (Sammy, 128 KB). BIOS size is 128 KB.
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source_ref: "core/hw/naomi/naomi_roms.cpp:39-48"
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# -------------------------------------------------------
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# Sega System SP
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# -------------------------------------------------------
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- name: "segasp.zip"
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system: sega-systemsp
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required: true
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note: >
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Sega System SP BIOS archive (MAME format). Contains
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epr-24328a.ic50 (BOOT VER 2.01, 2 MB) and region-specific
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EEPROM files mb_eeprom_us.ic54s, mb_eeprom_exp.ic54s.
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source_ref: "core/hw/naomi/naomi_roms.cpp:204-218"
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platform_details:
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dreamcast:
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bios_size: 2097152 # 2 MB
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flash_size: 131072 # 128 KB
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ram_size: 16777216 # 16 MB (32 MB with mod)
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hle_available: true
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source_ref: "core/emulator.cpp:446-452"
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naomi:
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bios_size: 2097152 # 2 MB
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flash_size: 32768 # 32 KB (battery-backed SRAM)
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ram_size: 33554432 # 32 MB
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hle_available: false
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source_ref: "core/emulator.cpp:453-459"
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naomi2:
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bios_size: 2097152 # 2 MB
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flash_size: 32768 # 32 KB (battery-backed SRAM)
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ram_size: 33554432 # 32 MB
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eram_size: 33554432 # 32 MB (ELAN)
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hle_available: false
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source_ref: "core/emulator.cpp:460-467"
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atomiswave:
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bios_size: 131072 # 128 KB
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flash_size: 131072 # 128 KB (SRAM)
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ram_size: 16777216 # 16 MB
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hle_available: false
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source_ref: "core/emulator.cpp:468-474"
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systemsp:
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bios_size: 2097152 # 2 MB
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flash_size: 131072 # 128 KB (SRAM)
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ram_size: 33554432 # 32 MB
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hle_available: false
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source_ref: "core/emulator.cpp:475-481"
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