emulator: Rustation type: libretro source: "https://github.com/libretro/rustation-libretro" cores: [rustation] systems: [sony-playstation] bios_size: 524288 # 512 KB, enforced before SHA-256 check verification: sha256 notes: > No filename requirement: the core scans every file in the system directory, filters by exact 512 KB size, then validates the full binary against an internal SHA-256 database (lifted from Mednafen). Region must match the loaded disc (Japan, NorthAmerica, Europe). Known-bad dumps are rejected even if hash matches. "Boot to BIOS menu" option allows booting without a disc. No HLE fallback: a real, database-matched BIOS is mandatory. Database contains 24 entries (22 good, 2 known_bad) covering BIOS versions 1.0 through 4.5. files: # -- Region: Japan -- - name: "scph5500.bin" description: "SCPH-5500 (v3.0 J)" region: "NTSC-J" required: true md5: "8dd7d5296a650fac7319bce665a6a53c" sha256: "9c0421858e217805f4abe18698afea8d5aa36ff0727eb8484944e00eb5e7eadb" source_ref: "rustation/src/bios/db.rs:226-232 (v3.0 Japan)" notes: "Any filename works. Core matches by SHA-256, not name. v3.0 is the standard JP BIOS." # -- Region: North America -- - name: "scph5501.bin" description: "SCPH-5501 (v3.0 A)" region: "NTSC-U" required: true md5: "490f666e1afb15b7362b406ed1cea246" sha256: "11052b6499e466bbf0a709b1f9cb6834a9418e66680387912451e971cf8a1fef" source_ref: "rustation/src/bios/db.rs:234-244 (v3.0 NorthAmerica)" notes: "Any filename works. Only NA BIOS with animation_jump_hook and debug UART patch support." # -- Region: Europe -- - name: "scph5502.bin" description: "SCPH-5502 (v3.0 E)" region: "PAL" required: true md5: "32736f17079d0b2b7024407c39bd3050" sha256: "1faaa18fa820a0225e488d9f086296b8e6c46df739666093987ff7d8fd352c09" source_ref: "rustation/src/bios/db.rs:246-256 (v3.0 Europe)" notes: "Any filename works. Core matches by SHA-256, not name." # -- Additional accepted BIOS versions (all validated by SHA-256 scan) -- # The core accepts any of the 22 good entries below. Only one per region is needed. # Listed here for completeness; scph5500/5501/5502 above are the standard choices. # Japan alternatives - name: "scph1000.bin" description: "SCPH-1000 (v1.0 J)" region: "NTSC-J" required: false sha256: "cfc1fc38eb442f6f80781452119e931bcae28100c1c97e7e6c5f2725bbb0f8bb" source_ref: "rustation/src/bios/db.rs:77-88 (v1.0 Japan)" - name: "scph_v11j.bin" description: "v1.1 J" region: "NTSC-J" required: false sha256: "5eb3aee495937558312b83b54323d76a4a015190decd4051214f1b6df06ac34b" source_ref: "rustation/src/bios/db.rs:89-100 (v1.1 Japan)" - name: "scph3000.bin" description: "SCPH-3000 (v2.1 J)" region: "NTSC-J" required: false sha256: "6f71ca1e716da761dc53187bd39e00c213f566e55090708fd3e2b4b425c8c989" source_ref: "rustation/src/bios/db.rs:126-136 (v2.1 Japan)" - name: "scph3500.bin" description: "SCPH-3500 (v2.2 J)" region: "NTSC-J" required: false sha256: "0c8359870cbac0ea091f1c87f188cd332dcc709753b91cafd9fd44a4a6188197" source_ref: "rustation/src/bios/db.rs:162-172 (v2.2 Japan, good)" notes: "A known-bad v2.2 J dump also exists in the DB but is rejected." - name: "scph5000.bin" description: "v2.2 J (alt)" region: "NTSC-J" required: false sha256: "4018749b3698b8694387beebcbabfb48470513066840f9441459ee4c9f0f39bc" source_ref: "rustation/src/bios/db.rs:209-220 (v2.2 Japan, alt)" - name: "scph7000.bin" description: "SCPH-7000 (v4.0 J)" region: "NTSC-J" required: false sha256: "e900504d1755f021f861b82c8258c5e6658c7b592f800cccd91f5d32ea380d28" source_ref: "rustation/src/bios/db.rs:269-281 (v4.0 Japan)" notes: "Shares animation_jump_hook patch with NA v3.0." - name: "scph7500.bin" description: "SCPH-7500 (v4.1 J)" region: "NTSC-J" required: false sha256: "b3aa63cf30c81e0a40641740f4a43e25fda0b21b792fa9aaef60ce1675761479" source_ref: "rustation/src/bios/db.rs:283-293 (v4.1 Japan)" - name: "scph9000.bin" description: "SCPH-9000 (v4.3 J)" region: "NTSC-J" required: false sha256: "b29b4b5fcddef369bd6640acacda0865e0366fcf7ea54e40b2f1a8178004f89a" source_ref: "rustation/src/bios/db.rs:318-329 (v4.3 Japan)" # North America alternatives - name: "scph1001.bin" description: "SCPH-1001 (v2.0 A)" region: "NTSC-U" required: false sha256: "42e4124be7623e2e28b1db0d8d426539646faee49d74b71166d8ba5bd7c472ed" source_ref: "rustation/src/bios/db.rs:101-112 (v2.0 NorthAmerica)" - name: "scph5001.bin" description: "SCPH-5001 (v2.1 A)" region: "NTSC-U" required: false sha256: "6ad5521d105a6b86741f1af8da2e6ea1c732d34459940618c70305a105e8ec10" source_ref: "rustation/src/bios/db.rs:138-148 (v2.1 NorthAmerica)" - name: "scph_v22a.bin" description: "v2.2 A" region: "NTSC-U" required: false sha256: "71af94d1e47a68c11e8fdb9f8368040601514a42a5a399cda48c7d3bff1e99d3" source_ref: "rustation/src/bios/db.rs:186-196 (v2.2 NorthAmerica)" - name: "scph7001.bin" description: "SCPH-7001 (v4.1 A)" region: "NTSC-U" required: false sha256: "39dcc1a0717036c9b6ac52fefd1ee7a57d3808e8cfbc755879fa685a0a738278" source_ref: "rustation/src/bios/db.rs:294-305 (v4.1 NorthAmerica)" - name: "scph101.bin" description: "SCPH-101 (v4.5 A)" region: "NTSC-U" required: false sha256: "aca9cbfa974b933646baad6556a867eca9b81ce65d8af343a7843f7775b9ffc8" source_ref: "rustation/src/bios/db.rs:342-353 (v4.5 NorthAmerica)" # Europe alternatives - name: "scph1002.bin" description: "SCPH-1002 (v2.0 E)" region: "PAL" required: false sha256: "0af2be3468d30b6018b3c3b0d98b8b64347e255e16d874d55f0363648973dbf0" source_ref: "rustation/src/bios/db.rs:113-124 (v2.0 Europe)" - name: "scph_v21e.bin" description: "v2.1 E" region: "PAL" required: false sha256: "1efb0cfc5db8a8751a884c5312e9c6265ca1bc580dc0c2663eb2dea3bde9fcf7" source_ref: "rustation/src/bios/db.rs:149-160 (v2.1 Europe)" - name: "scph_v22e.bin" description: "v2.2 E" region: "PAL" required: false sha256: "3d06d2c469313c2a2128d24fe2e0c71ff99bc2032be89a829a62337187f500b7" source_ref: "rustation/src/bios/db.rs:198-208 (v2.2 Europe)" - name: "scph7002.bin" description: "SCPH-7002 (v4.1 E)" region: "PAL" required: false sha256: "5e84a94818cf5282f4217591fefd88be36b9b174b3cc7cb0bcd75199beb450f1" source_ref: "rustation/src/bios/db.rs:306-317 (v4.1 Europe)" - name: "scph102.bin" description: "SCPH-102 (v4.4 E)" region: "PAL" required: false sha256: "5c0166da24e27deaa82246de8ff0108267fe4bb59f6df0fdec50e05e62448ca4" source_ref: "rustation/src/bios/db.rs:330-341 (v4.4 Europe)" - name: "scph102_v45.bin" description: "v4.5 E" region: "PAL" required: false sha256: "42244b0c650821519751b7e77ad1d3222a0125e75586df2b4e84ba693b9809dc" source_ref: "rustation/src/bios/db.rs:354-365 (v4.5 Europe)"