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

73 lines
2.3 KiB
YAML

emulator: ymir
type: standalone + libretro
core_classification: community_fork
source: "https://github.com/warmenhoven/Ymir/tree/libretro"
upstream: "https://github.com/StrikerX3/Ymir"
profiled_date: "2026-03-25"
core_version: "PR#746"
display_name: "Sega - Saturn (Ymir)"
cores:
- ymir
systems:
- sega-saturn
notes: |
Ymir is a Sega Saturn emulator by StrikerX3. The libretro port by
warmenhoven wraps the shared ymir-core library (PR #746, not yet merged).
No .info file exists in libretro-core-info.
Saturn BIOS search order:
1. {system}/sega_101.bin
2. {system}/mpr-17933.bin
3. {system}/saturn_bios.bin
First file found with exact 512 KiB size wins. No HLE fallback for IPL.
CD Block LLE: optional low-level CD drive emulation. Scans {system}/cdb/
for any 64 KiB file. Falls back to HLE when disabled or no ROM found.
Known versions in upstream db: 1.04, 1.05, 1.06.
ROM cartridges: KoF95 and Ultraman shipped with physical ROM carts. The
core auto-detects required cartridge from its game database.
Addon cartridges: 1M/4M DRAM expansion handled via core option (no files).
Upstream uses XXH128 hashes for ROM identification only, not validation.
All file loading validates size only.
files:
- name: "sega_101.bin"
system: sega-saturn
required: true
size: 524288
validation: [size]
aliases: [mpr-17933.bin, saturn_bios.bin]
description: "Saturn IPL ROM (BIOS). Any region accepted."
source_ref: "libretro.cpp:260-263,534-558"
- name: "cdb/cdb_rom.bin"
system: sega-saturn
required: false
hle_fallback: true
size: 65536
validation: [size]
description: "SH1 CD Block ROM for low-level CD drive emulation. Core scans cdb/ subdirectory for any matching file."
source_ref: "libretro.cpp:567-591"
- name: "mpr-18811-mx.ic1"
system: sega-saturn
required: false
category: game_data
size: 2097152
validation: [size]
description: "ROM cartridge for The King of Fighters '95."
source_ref: "libretro.cpp:619-620,597-616"
- name: "mpr-19367-mx.ic1"
system: sega-saturn
required: false
category: game_data
size: 2097152
validation: [size]
description: "ROM cartridge for Ultraman: Hikari no Kyojin Densetsu."
source_ref: "libretro.cpp:619,621,597-616"