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feat: add duckstation-legacy emulator profile

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Abdessamad Derraz committed 2026-10-22 10:55:01 +02:00
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emulators/duckstation-legacy.yml
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emulator: "DuckStation (legacy)"
type: standalone
core_classification: frozen_snapshot
source: "https://github.com/stenzek/duckstation"
profiled_date: "2026-10-22"
source_commit: "56ac3d6c324ec4520dac433b071ecab6227fb459"
pin_frozen: "Batocera builds this revision of 4 August 2023 as duckstation-legacy, its package marked not to be bumped, and KNULLI ships the same package."
core_version: "0.1"
display_name: "Sony - PlayStation (DuckStation legacy)"
cores:
- "duckstation-legacy"
found_by: content
systems: [sony-playstation]
mode: standalone
notes: |
DuckStation as of August 2023, from before its licence change, kept as a
separate package. Batocera builds it with its own path patches: the BIOS
directory becomes /userdata/bios, the shared BIOS root, and the resources
directory /usr/share/duckstation/resources.
ref: Batocera package/batocera/emulators/duckstation-legacy/duckstation-legacy.mk:6-7,
Batocera package/batocera/emulators/duckstation-legacy/004-adjust-paths.patch
A BIOS file is any file of 512 KB, 4 MB (PS2) or 0x3E66F0 bytes (PS3) in the
BIOS directory. Only its first 512 KB are read, and their MD5 is looked up
in a table of 29 images. A file carrying "OpenBIOS" at offset 0x78 is
recognised by that signature instead. With no file configured for the
console region, the directory is scanned and the first image whose region
matches, or whose table region is Auto, is used. Otherwise the first known
image found, else the first unknown one, stands in with a warning, and an
empty directory stops the boot with "No BIOS image found". The table has no
priority field: the scan order decides between matching images.
ref: src/core/bios.h:15-17, src/core/bios.cpp:45-91, src/core/bios.cpp:95-97,
src/core/bios.cpp:108-137, src/core/bios.cpp:145-167,
src/core/bios.cpp:276-377
KNULLI's launcher sets BIOS SearchDirectory to /userdata/bios and fills
PathNTSCU, PathPAL and PathNTSCJ with the first name it finds from three
lists, refusing to start when none exists. A configured path is loaded by
name and only warned about when its image does not match the region.
ref: KNULLI package/system/knulli-configgen/configgen/configgen/generators/duckstation_legacy/duckstationLegacyGenerator.py:116-153,
src/core/bios.cpp:296-315
Fast boot and TTY patching are refused for the two PS3 images, the table's
only entries marked not patch compatible.
ref: src/core/system.cpp:1280, src/core/system.cpp:1306
files:
- name: "scph1000.bin"
description: "SCPH-1000, DTL-H1000 (v1.0)"
region: [japan]
required: false
md5: "239665b1a3dade1b5a52c06338011044"
source_ref: "src/core/bios.cpp:46"
- name: "scph1001.bin"
description: "SCPH-1001, 5003, DTL-H1201, H3001 (v2.2 12-04-95 A)"
region: [north-america, latin-america]
required: false
md5: "924e392ed05558ffdb115408c263dccf"
source_ref: "src/core/bios.cpp:47-48"
- name: "scph1002a.bin"
description: "SCPH-1002, DTL-H1002 (v2.0 05-10-95 E)"
region: [europe, oceania]
required: false
md5: "54847e693405ffeb0359c6287434cbef"
source_ref: "src/core/bios.cpp:49-50"
- name: "scph1002b.bin"
description: "SCPH-1002, DTL-H1102 (v2.1 07-17-95 E)"
region: [europe, oceania]
required: false
md5: "417b34706319da7cf001e76e40136c23"
source_ref: "src/core/bios.cpp:51-52"
- name: "scph1002c.bin"
description: "SCPH-1002, DTL-H1202, H3002 (v2.2 12-04-95 E)"
region: [europe, oceania]
required: false
md5: "e2110b8a2b97a8e0b857a45d32f7e187"
source_ref: "src/core/bios.cpp:53-54"
- name: "dtlh1100.bin"
description: "DTL-H1100 (v2.2 03-06-96 D)"
region: [japan]
required: false
md5: "ca5cfc321f916756e3f0effbfaeba13b"
source_ref: "src/core/bios.cpp:55"
- name: "scph3000.bin"
description: "SCPH-3000, DTL-H1000H (v1.1 01-22-95)"
region: [japan]
required: false
md5: "849515939161e62f6b866f6853006780"
source_ref: "src/core/bios.cpp:56-57"
- name: "scph1001_v20.bin"
description: "SCPH-1001, DTL-H1001 (v2.0 05-07-95 A)"
region: [north-america, latin-america]
required: false
md5: "dc2b9bf8da62ec93e868cfd29f0d067d"
source_ref: "src/core/bios.cpp:58-59"
- name: "scph3500.bin"
description: "SCPH-3500 (v2.1 07-17-95 J)"
region: [japan]
required: false
md5: "cba733ceeff5aef5c32254f1d617fa62"
source_ref: "src/core/bios.cpp:60"
- name: "scph1001_v21.bin"
description: "SCPH-1001, DTL-H1101 (v2.1 07-17-95 A)"
region: [north-america, latin-america]
required: false
md5: "da27e8b6dab242d8f91a9b25d80c63b8"
source_ref: "src/core/bios.cpp:61-62"
- name: "scph5000.bin"
description: "SCPH-5000, DTL-H1200, H3000 (v2.2 12-04-95 J)"
region: [japan]
required: false
md5: "57a06303dfa9cf9351222dfcbb4a29d9"
source_ref: "src/core/bios.cpp:63-64"
- name: "scph5500.bin"
description: "SCPH-5500 (v3.0 09-09-96 J)"
region: [japan]
required: false
md5: "8dd7d5296a650fac7319bce665a6a53c"
source_ref: "src/core/bios.cpp:65"
- name: "scph5501.bin"
description: "SCPH-5501, 5503, 7003 (v3.0 11-18-96 A)"
region: [north-america, latin-america]
required: false
md5: "490f666e1afb15b7362b406ed1cea246"
source_ref: "src/core/bios.cpp:66-67"
- name: "scph5502.bin"
description: "SCPH-5502, 5552 (v3.0 01-06-97 E)"
region: [europe, oceania]
required: false
md5: "32736f17079d0b2b7024407c39bd3050"
source_ref: "src/core/bios.cpp:68-69"
- name: "scph7000.bin"
description: "SCPH-7000, 7500, 9000 (v4.0 08-18-97 J)"
region: [japan]
required: false
md5: "8e4c14f567745eff2f0408c8129f72a6"
source_ref: "src/core/bios.cpp:70-71"
- name: "scph7000w.bin"
description: "SCPH-7000W (v4.1 11-14-97 A)"
region: [japan]
required: false
md5: "b84be139db3ee6cbd075630aa20a6553"
source_ref: "src/core/bios.cpp:72"
- name: "scph7001.bin"
description: "SCPH-7001, 7501, 7503, 9001, 9003, 9903 (v4.1 12-16-97 A)"
region: [north-america, latin-america]
required: false
md5: "1e68c231d0896b7eadcad1d7d8e76129"
source_ref: "src/core/bios.cpp:73-74"
- name: "scph7002.bin"
description: "SCPH-7002, 7502, 9002 (v4.1 12-16-97 E)"
region: [europe, oceania]
required: false
md5: "b9d9a0286c33dc6b7237bb13cd46fdee"
source_ref: "src/core/bios.cpp:75-76"
- name: "scph100.bin"
description: "SCPH-100 (v4.3 03-11-00 J)"
region: [japan]
required: false
md5: "8abc1b549a4a80954addc48ef02c4521"
source_ref: "src/core/bios.cpp:77"
- name: "scph101_v44.bin"
description: "SCPH-101 (v4.4 03-24-00 A)"
region: [north-america, latin-america]
required: false
md5: "9a09ab7e49b422c007e6d54d7c49b965"
source_ref: "src/core/bios.cpp:78"
- name: "scph101_v45.bin"
description: "SCPH-101 (v4.5 05-25-00 A)"
region: [north-america, latin-america]
required: false
md5: "6e3735ff4c7dc899ee98981385f6f3d0"
source_ref: "src/core/bios.cpp:79"
- name: "scph102_v44.bin"
description: "SCPH-102 (v4.4 03-24-00 E)"
region: [europe, oceania]
required: false
md5: "b10f5e0e3d9eb60e5159690680b1e774"
source_ref: "src/core/bios.cpp:80"
- name: "scph102_v45.bin"
description: "SCPH-102 (v4.5 05-25-00 E)"
region: [europe, oceania]
required: false
md5: "de93caec13d1a141a40a79f5c86168d6"
source_ref: "src/core/bios.cpp:81"
- name: "ps2_scph18000.bin"
description: "PS2, SCPH-18000 (v5.0 10-27-00 J)"
region: [japan]
required: false
md5: "d8f485717a5237285e4d7c5f881b7f32"
note: "The table hashes the first 512 KB that are read, whatever the file size."
source_ref: "src/core/bios.cpp:82-83"
- name: "ps2_scph30003.bin"
description: "PS2, SCPH-30003 (v5.0 09-02-00 E)"
region: [europe, oceania]
required: false
md5: "71f50ef4f4e17c163c78908e16244f7d"
note: "The table hashes the first 512 KB that are read, whatever the file size."
source_ref: "src/core/bios.cpp:84-85"
- name: "psxonpsp660.bin"
description: "PSP, SCPH-1000R (v4.5 05-25-00 J)"
required: false
md5: "c53ca5908936d412331790f4426c6c33"
source_ref: "src/core/bios.cpp:86-87"
- name: "scph1000r.bin"
description: "SCPH-1000R (v4.5 05-25-00 J)"
region: [japan]
required: false
md5: "476d68a94ccec3b9c8303bbd1daf2810"
source_ref: "src/core/bios.cpp:88"
- name: "ps1_rom.bin"
description: "PS3 (v5.0 06-23-03 A)"
required: false
md5: "fbb5f59ec332451debccf1e377017237"
size: 4089584
validation: [size]
note: "The whole 0x3E66F0 PS3 image. Only its first 512 KB are read and hashed, md5 c02a6fbb1b27359f84e92fae8bc21316. Marked not patch compatible: fast boot is refused with this image."
source_ref: "src/core/bios.cpp:89"
- name: "ps1_rom.bin"
description: "PS3 (v5.0 06-23-03 A)"
required: false
md5: "81bbe60ba7a3d1cea1d48c14cbcc647b"
note: "Marked not patch compatible: fast boot is refused with this image."
source_ref: "src/core/bios.cpp:90"