Files
libretro/emulators/yabause.yml
2026-03-25 16:49:49 +01:00

62 lines
1.8 KiB
YAML

emulator: yabause
type: libretro
core_classification: community_fork
source: "https://github.com/libretro/yabause"
upstream: "https://github.com/Yabause/yabause"
profiled_date: "2026-03-25"
core_version: "v0.9.15"
display_name: "Sega - Saturn (Yabause)"
cores:
- yabause
systems:
- sega-saturn
notes: |
Yabause is a software-rendered Sega Saturn emulator. Upstream project is
dead; libretro port maintained by the community on the master branch of
libretro/yabause.
Saturn BIOS search order:
1. {system}/saturn_bios.bin
2. {system}/sega_101.bin
3. {system}/mpr-17933.bin
First file found wins. HLE BIOS available via yabause_force_hle_bios core
option (reduced compatibility). Multi-disc (m3u) requires real BIOS.
Addon cartridges: 1M/4M RAM expansion via core option (no files needed).
ROM cartridge loading, SH1 ROM (CD Block LLE), and MPEG card ROM are
standalone-only features disabled in the libretro port.
BIOS loading: libretro.c retro_load_game() lines 1035-1049.
Core load: memory.c LoadBios() line 1260, T123Load() memory.h lines 196-264.
files:
- name: "saturn_bios.bin"
system: sega-saturn
required: true
hle_fallback: true
max_size: 524288
validation: [max_size]
note: "Primary Saturn BIOS. Any region accepted."
source_ref: "libretro.c:1035"
- name: "sega_101.bin"
system: sega-saturn
region: [japan]
required: false
hle_fallback: true
max_size: 524288
validation: [max_size]
note: "Saturn BIOS v1.01 (Japan). Fallback if saturn_bios.bin missing."
source_ref: "libretro.c:1039"
- name: "mpr-17933.bin"
system: sega-saturn
region: [north-america, europe]
required: false
hle_fallback: true
max_size: 524288
validation: [max_size]
note: "Saturn BIOS (NA/EU). Last fallback."
source_ref: "libretro.c:1043"