mirror of
https://github.com/Abdess/retroarch_system.git
synced 2026-04-20 07:42:35 -05:00
feat: re-profile 40 emulators from fbalpha2012 to holani
This commit is contained in:
Abdessamad Derraz
+63
-99
@@ -4,8 +4,8 @@ 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"
|
||||
profiled_date: "2026-03-23"
|
||||
core_version: "0.1"
|
||||
display_name: "Sega - Dreamcast/Naomi (Flycast)"
|
||||
cores:
|
||||
- flycast
|
||||
@@ -14,29 +14,34 @@ systems:
|
||||
- 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.
|
||||
games without real BIOS files. Arcade systems (NAOMI, Atomiswave) require
|
||||
MAME-format BIOS ROM archives.
|
||||
|
||||
The libretro port (libretro/flycast, last updated 2025-12-12) is significantly
|
||||
behind upstream (flyinghead/flycast). Key divergences:
|
||||
- NAOMI 2 has no separate BIOS entry or platform detection; NAOMI 2 games
|
||||
run as NAOMI using naomi.zip. Upstream has naomi2.zip with dedicated ROMs.
|
||||
- System SP is not supported. Upstream has segasp.zip support.
|
||||
- The n2_ prefix for NAOMI 2 flat boot ROMs is dead code (DC_PLATFORM_NAOMI2
|
||||
is never assigned to settings.System in the libretro port).
|
||||
- Flash search includes legacy names (%flash_wb.bin, %flash.bin, %flash.bin.bin)
|
||||
that upstream has removed.
|
||||
- NAOMI flat boot ROM search includes epr-21576d.bin fallback not in upstream.
|
||||
|
||||
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):
|
||||
Boot ROM search pattern (sb_mem.cpp:51-68):
|
||||
{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):
|
||||
@@ -48,59 +53,42 @@ files:
|
||||
# -------------------------------------------------------
|
||||
- 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"
|
||||
aliases: ["dc_bios.bin", "dc_boot.bin.bin", "dc_bios.bin.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"
|
||||
note: "Dreamcast boot ROM. HLE BIOS (reios) used as fallback. Code searches prefix + boot.bin, boot.bin.bin, bios.bin, bios.bin.bin sequentially."
|
||||
source_ref: "core/hw/holly/sb_mem.cpp:219,55-57"
|
||||
|
||||
- name: "dc_nvmem.bin"
|
||||
path: "dc/dc_nvmem.bin"
|
||||
aliases: ["dc_flash_wb.bin", "dc_flash.bin", "dc_flash.bin.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"
|
||||
note: "Dreamcast flash memory / NVRAM. Created if not found. Code searches prefix + nvmem.bin, flash_wb.bin, flash.bin, flash.bin.bin sequentially."
|
||||
source_ref: "core/hw/holly/sb_mem.cpp:231,196-213"
|
||||
|
||||
- name: "dc_flash_wb.bin"
|
||||
path: "dc/dc_flash_wb.bin"
|
||||
- name: "font.bin"
|
||||
path: "dc/font.bin"
|
||||
system: sega-dreamcast
|
||||
required: false
|
||||
hle_fallback: true
|
||||
size: 131072
|
||||
note: "Dreamcast flash writeback."
|
||||
source_ref: "core/hw/holly/sb_mem.cpp:231"
|
||||
note: "Dreamcast system font for HLE BIOS text rendering. Built-in font used as fallback."
|
||||
source_ref: "core/reios/reios.cpp:736-754"
|
||||
|
||||
# -------------------------------------------------------
|
||||
# Sega NAOMI
|
||||
# -------------------------------------------------------
|
||||
- name: "naomi_boot.bin"
|
||||
path: "dc/naomi_boot.bin"
|
||||
aliases: ["naomi_bios.bin", "naomi_boot.bin.bin", "naomi_bios.bin.bin", "epr-21576d.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"
|
||||
size: 2097152
|
||||
note: "NAOMI boot ROM (flat binary). Alternative to naomi.zip. epr-21576d.bin is searched without prefix."
|
||||
source_ref: "core/hw/holly/sb_mem.cpp:219,58-59"
|
||||
|
||||
- name: "naomi.zip"
|
||||
path: "dc/naomi.zip"
|
||||
@@ -110,66 +98,43 @@ files:
|
||||
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"
|
||||
Also used for NAOMI 2 games in the libretro port (no separate naomi2.zip).
|
||||
source_ref: "core/hw/naomi/naomi_roms.h:133-188"
|
||||
|
||||
# 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"
|
||||
source_ref: "core/hw/naomi/naomi_roms.h:78-85"
|
||||
|
||||
- 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"
|
||||
source_ref: "core/hw/naomi/naomi_roms.h:96-103"
|
||||
|
||||
- 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"
|
||||
source_ref: "core/hw/naomi/naomi_roms.h:105-119"
|
||||
|
||||
- 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"
|
||||
source_ref: "core/hw/naomi/naomi_roms.h:121-131"
|
||||
|
||||
- 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"
|
||||
note: "NAOMI GD-ROM BIOS. Shares ROMs with naomi.zip (epr-21576h, epr-21578h, epr-21577h)."
|
||||
source_ref: "core/hw/naomi/naomi_roms.h:190-212"
|
||||
|
||||
# -------------------------------------------------------
|
||||
# Sega Atomiswave
|
||||
@@ -178,45 +143,44 @@ files:
|
||||
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"
|
||||
note: "Atomiswave system BIOS archive (MAME format). Contains bios0.ic23 (Sammy, 128 KB)."
|
||||
source_ref: "core/hw/naomi/naomi_roms.h:87-94"
|
||||
|
||||
# -------------------------------------------------------
|
||||
# Sega System SP
|
||||
# Not supported by libretro port
|
||||
# -------------------------------------------------------
|
||||
# segasp.zip: supported by upstream (flyinghead/flycast) but NOT by the
|
||||
# libretro port (naomi_roms.cpp absent from libretro fork). Lacune du port.
|
||||
# naomi2.zip: no BIOS[] entry in libretro fork (naomi_roms.h). NAOMI 2 games
|
||||
# use the "naomi" BIOS. naomi_cart_GetSystemType() never returns
|
||||
# DC_PLATFORM_NAOMI2. Upstream has full naomi2.zip support.
|
||||
#
|
||||
# segasp.zip: no System SP support in libretro fork. Upstream has full support.
|
||||
|
||||
platform_details:
|
||||
dreamcast:
|
||||
bios_size: 2097152 # 2 MB
|
||||
flash_size: 131072 # 128 KB
|
||||
ram_size: 16777216 # 16 MB (32 MB with mod)
|
||||
bios_size: 2097152
|
||||
flash_size: 131072
|
||||
ram_size: 16777216
|
||||
hle_available: true
|
||||
source_ref: "core/emulator.cpp:446-452"
|
||||
source_ref: "core/nullDC.cpp:333-345"
|
||||
|
||||
naomi:
|
||||
bios_size: 2097152 # 2 MB
|
||||
flash_size: 32768 # 32 KB (battery-backed SRAM)
|
||||
ram_size: 33554432 # 32 MB
|
||||
bios_size: 2097152
|
||||
sram_size: 32768
|
||||
ram_size: 33554432
|
||||
hle_available: false
|
||||
source_ref: "core/emulator.cpp:453-459"
|
||||
source_ref: "core/nullDC.cpp:346-354"
|
||||
|
||||
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)
|
||||
bios_size: 2097152
|
||||
sram_size: 32768
|
||||
ram_size: 33554432
|
||||
hle_available: false
|
||||
source_ref: "core/emulator.cpp:460-467"
|
||||
note: "Treated as NAOMI in the libretro port. Separate platform only in upstream."
|
||||
source_ref: "core/nullDC.cpp:355-363"
|
||||
|
||||
atomiswave:
|
||||
bios_size: 131072 # 128 KB
|
||||
flash_size: 131072 # 128 KB (SRAM)
|
||||
ram_size: 16777216 # 16 MB
|
||||
bios_size: 131072
|
||||
sram_size: 131072
|
||||
ram_size: 16777216
|
||||
hle_available: false
|
||||
source_ref: "core/emulator.cpp:468-474"
|
||||
|
||||
# systemsp: supported by upstream but not by the libretro port
|
||||
source_ref: "core/nullDC.cpp:364-375"
|
||||
|
||||
Reference in New Issue
Block a user