mirror of
https://github.com/Abdess/retroarch_system.git
synced 2026-10-10 21:43:23 -05:00
55 lines
2.7 KiB
YAML
55 lines
2.7 KiB
YAML
emulator: pokketstation
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type: libretro
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core_classification: official_port
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source: "https://github.com/mentalfoundry/pokketstation"
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upstream: "https://github.com/mentalfoundry/pokketstation"
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profiled_date: "2026-09-03"
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source_commit: "11fb6de0139d5cbdbd44e37839571a0bf25e5ab2"
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core_version: "v1.11.1"
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display_name: "Sony - PocketStation (pokketstation)"
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cores: [pokketstation]
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systems: [sony-pocketstation]
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notes: |
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PocketStation emulator with a portable C core (core/) shared by the libretro
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core, an SDL2 desktop application and a PS Vita port. The libretro core
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reports library_version "0.1"; the project version is the release tag,
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v1.11.1 in the desktop frontend (frontends/desktop/main.c:40).
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load_bios opens <system>/pocketstation.bin, reads 16384 bytes and fails when
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fewer are read; a longer file is accepted and truncated. psemu_load_bios
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copies the image and rejects any size other than PSEMU_BIOS_SIZE.
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retro_load_game returns false when load_bios fails, and psemu_run executes
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nothing while no BIOS is loaded: there is no HLE and no embedded copy.
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Content (.mcr, .mcd, .mcs, .pss) is identified by its bytes, not by the
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extension. Save RAM is the full 128 KB flash image.
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psemu_settings_offsets_known hashes the loaded image with FNV-1a and compares
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it with 0xB2E46838, the retail 110 revision the project traced; a match
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enables the date, time and volume override writes into kernel RAM. Any
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16 KB image boots. Two mask ROM revisions are documented: 061, from
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prototype hardware, and 110, the retail one; the ASCII tags at offsets
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0x1DFC (C061 or C110) and 0x3FFC (J061 or J110) identify them
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(docs/hardware-notes.md:778-788). SWI 0Fh FlashWriteSerial works on 061
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and locks the CPU on 110.
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The desktop application takes the BIOS path from the command line, then
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from the bios= key of settings.cfg beside the executable, then falls back
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to bios.bin beside the executable; File > Load BIOS opens any path
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(frontends/desktop/main.c:630-668, 1000-1035, 2380-2451). The Vita frontend
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loads no BIOS yet (frontends/vita/main.c:31-33).
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files:
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- name: "pocketstation.bin"
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description: "PocketStation BIOS ROM, kernel and GUI, 16 KB"
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size: 16384
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required: true
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validation: [size]
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standalone_path: "bios.bin"
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source_ref: "frontends/libretro/libretro.c:178-196, frontends/libretro/libretro.c:206-208, core/src/psemu.c:90-97, core/src/psemu.c:458-461, core/src/psemu.c:795-820, core/include/psemu/psemu.h:19"
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note: >
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Read from the frontend system directory. The desktop application reads
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the whole file and psemu_load_bios rejects any size other than 16384;
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the libretro core reads the first 16384 bytes. FNV-1a 0xB2E46838
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identifies the retail 110 revision for the settings overrides only.
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