Files
libretro/emulators/flycast.yml
Abdessamad Derraz d2adde9846 feat: update 47 emulator profiles with core_classification and fixes
add core_classification, cores, upstream fields. fix false aliases
(fixnes, fsuae, gearboy, higan_sfc, higan_sfc_balanced, potator,
quicknes). add new profiles (fbneo_neogeo, flycast_gles2,
genesis_plus_gx_wide). remove verbose notes and disclaimers.
2026-03-22 14:01:38 +01:00

223 lines
7.3 KiB
YAML

emulator: Flycast
type: standalone + libretro
core_classification: official_port
source: "https://github.com/libretro/flycast"
upstream: "https://github.com/flyinghead/flycast"
logo: "https://raw.githubusercontent.com/flyinghead/flycast/master/shell/linux/flycast.png"
profiled_date: "2026-03-21"
core_version: "Git"
display_name: "Sega - Dreamcast/Naomi (Flycast)"
cores:
- flycast
systems:
- sega-dreamcast
- sega-naomi
- sega-naomi2
- sega-atomiswave
# sega-systemsp: supported by upstream but not by the libretro port
notes: |
Flycast has a built-in HLE BIOS (reios) for Dreamcast that can boot most
games without real BIOS files. Arcade systems (NAOMI, NAOMI2, Atomiswave,
System SP) require MAME-format BIOS ROM archives.
Hikaru and Triforce are NOT supported by Flycast.
BIOS file search uses prefix + name pattern. The libretro port appends "dc/"
to the system directory (libretro.cpp:1866). All files below are relative
to system_dir/dc/.
File loading logic: core/hw/flashrom/nvmem.cpp loadFiles() and
core/hw/naomi/naomi_cart.cpp loadBios().
The prefix is determined by platform (sb_mem.cpp:32-49):
Dreamcast -> dc_
Dev Unit -> hkt_
NAOMI -> naomi_
NAOMI 2 -> n2_ (libretro port; upstream uses naomi2_)
Atomiswave -> (no prefix, BIOS loaded from awbios.zip)
Boot ROM search pattern (sb_mem.cpp:57):
{prefix}boot.bin, {prefix}boot.bin.bin, {prefix}bios.bin, {prefix}bios.bin.bin
NAOMI also tries: epr-21576d.bin (sb_mem.cpp:59)
Flash/NVRAM search pattern (sb_mem.cpp:231):
{prefix}nvmem.bin, {prefix}flash_wb.bin, {prefix}flash.bin, {prefix}flash.bin.bin
files:
# -------------------------------------------------------
# Sega Dreamcast
# -------------------------------------------------------
- name: "dc_boot.bin"
path: "dc/dc_boot.bin"
system: sega-dreamcast
required: false
hle_fallback: true
size: 2097152 # 2 MB
note: "Dreamcast boot ROM. HLE BIOS (reios) used as fallback."
source_ref: "core/hw/flashrom/nvmem.cpp:287"
- name: "dc_bios.bin"
path: "dc/dc_bios.bin"
system: sega-dreamcast
required: false
hle_fallback: true
size: 2097152
note: "Alternate name for Dreamcast boot ROM."
source_ref: "core/hw/flashrom/nvmem.cpp:287"
- name: "dc_flash.bin"
path: "dc/dc_flash.bin"
system: sega-dreamcast
required: false
hle_fallback: true
size: 131072 # 128 KB
note: "Dreamcast flash memory. One of the nvmem search names."
source_ref: "core/hw/holly/sb_mem.cpp:231"
- name: "dc_nvmem.bin"
path: "dc/dc_nvmem.bin"
system: sega-dreamcast
required: false
hle_fallback: true
size: 131072
note: "Dreamcast NVRAM (primary search name for flash)."
source_ref: "core/hw/holly/sb_mem.cpp:231"
- name: "dc_flash_wb.bin"
path: "dc/dc_flash_wb.bin"
system: sega-dreamcast
required: false
hle_fallback: true
size: 131072
note: "Dreamcast flash writeback."
source_ref: "core/hw/holly/sb_mem.cpp:231"
# -------------------------------------------------------
# Sega NAOMI
# -------------------------------------------------------
- name: "naomi_boot.bin"
path: "dc/naomi_boot.bin"
system: sega-naomi
required: false
size: 2097152 # 2 MB
note: "NAOMI boot ROM (flat binary). Alternative to naomi.zip."
source_ref: "core/hw/flashrom/nvmem.cpp:287"
- name: "naomi.zip"
path: "dc/naomi.zip"
system: sega-naomi
required: true
note: >
NAOMI system BIOS archive (MAME format). Contains region-specific
BIOS ROMs: epr-21576h.ic27 (Japan), epr-21577h.ic27 (USA),
epr-21578h.ic27 (Export), epr-21579d.ic27 (Korea).
source_ref: "core/hw/naomi/naomi_roms.cpp:87-143"
# NAOMI special BIOS sets (game-specific, loaded from game archive or standalone)
- name: "airlbios.zip"
path: "dc/airlbios.zip"
system: sega-naomi
required: false
note: "Airline Pilots Deluxe BIOS. epr-21802.ic27 (Export), epr-21801.ic27 (USA)."
source_ref: "core/hw/naomi/naomi_roms.cpp:30-37"
- name: "f355bios.zip"
path: "dc/f355bios.zip"
system: sega-naomi
required: false
note: "Ferrari F355 Challenge BIOS. Japan/USA/Export variants."
source_ref: "core/hw/naomi/naomi_roms.cpp:49-58"
- name: "f355dlx.zip"
path: "dc/f355dlx.zip"
system: sega-naomi
required: false
note: "Ferrari F355 Challenge Deluxe BIOS. Japan/USA/Export variants."
source_ref: "core/hw/naomi/naomi_roms.cpp:60-74"
- name: "hod2bios.zip"
path: "dc/hod2bios.zip"
system: sega-naomi
required: false
note: "House of the Dead 2 BIOS. Japan/USA/Export variants."
source_ref: "core/hw/naomi/naomi_roms.cpp:76-85"
- name: "naomigd.zip"
path: "dc/naomigd.zip"
system: sega-naomi
required: false
note: "NAOMI GD-ROM BIOS. Used by GD-ROM based NAOMI games."
source_ref: "core/hw/naomi/naomi_roms.cpp:158-181"
# -------------------------------------------------------
# Sega NAOMI 2
# -------------------------------------------------------
- name: "n2_boot.bin"
path: "dc/n2_boot.bin"
aliases: ["naomi2_boot.bin"]
mode: libretro
system: sega-naomi2
required: false
size: 2097152 # 2 MB
note: "NAOMI 2 boot ROM. Core uses n2_ prefix to avoid name collision in shared dc/ directory. Upstream standalone uses naomi2_ prefix."
source_ref: "core/hw/holly/sb_mem.cpp:43,57"
- name: "naomi2.zip"
path: "dc/naomi2.zip"
system: sega-naomi2
required: true
note: >
NAOMI 2 system BIOS archive (MAME format). Contains region-specific
ROMs: epr-23605c.ic27 (Japan), epr-23607c.ic27 (USA),
epr-23608c.ic27 (Export), epr-23609b.ic27 (Korea).
source_ref: "core/hw/naomi/naomi_roms.cpp:183-201"
# -------------------------------------------------------
# Sega Atomiswave
# -------------------------------------------------------
- name: "awbios.zip"
path: "dc/awbios.zip"
system: sega-atomiswave
required: true
note: >
Atomiswave system BIOS archive (MAME format). Contains
bios0.ic23 (Sammy, 128 KB). BIOS size is 128 KB.
source_ref: "core/hw/naomi/naomi_roms.cpp:39-48"
# -------------------------------------------------------
# Sega System SP
# -------------------------------------------------------
# segasp.zip: supported by upstream (flyinghead/flycast) but NOT by the
# libretro port (naomi_roms.cpp absent from libretro fork). Lacune du port.
platform_details:
dreamcast:
bios_size: 2097152 # 2 MB
flash_size: 131072 # 128 KB
ram_size: 16777216 # 16 MB (32 MB with mod)
hle_available: true
source_ref: "core/emulator.cpp:446-452"
naomi:
bios_size: 2097152 # 2 MB
flash_size: 32768 # 32 KB (battery-backed SRAM)
ram_size: 33554432 # 32 MB
hle_available: false
source_ref: "core/emulator.cpp:453-459"
naomi2:
bios_size: 2097152 # 2 MB
flash_size: 32768 # 32 KB (battery-backed SRAM)
ram_size: 33554432 # 32 MB
eram_size: 33554432 # 32 MB (ELAN)
hle_available: false
source_ref: "core/emulator.cpp:460-467"
atomiswave:
bios_size: 131072 # 128 KB
flash_size: 131072 # 128 KB (SRAM)
ram_size: 16777216 # 16 MB
hle_available: false
source_ref: "core/emulator.cpp:468-474"
# systemsp: supported by upstream but not by the libretro port