mirror of
https://github.com/Abdess/retroarch_system.git
synced 2026-04-13 12:22:33 -05:00
d929424988
- Added profiled_date field to all 204 existing profiles for update tracking - Created 56 alias profiles for cores that share BIOS with a parent (e.g., mednafen_psx -> beetle_psx, fbalpha2012 -> fbneo) 260 total profiles covering all 294 libretro cores (204 unique + 56 alias).
151 lines
5.2 KiB
YAML
151 lines
5.2 KiB
YAML
emulator: bk-emulator
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type: libretro
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source: "https://github.com/libretro/bk-emulator"
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profiled_date: "2026-03-18"
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cores:
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- bk
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systems:
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- elektronika-bk
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# BK-emulator is an Elektronika BK-0010/0011M emulator (Soviet PDP-11 based home
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# computer). The libretro core supports six machine configurations selected via
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# the "bk_model" core option:
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# BK-0010 (model 0) - default
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# BK-0010.01 (model 1)
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# BK-0010.01 + FDD (model 2)
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# BK-0011M + FDD (model 3)
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# Slow BK-0011M (model 4) - same ROMs as model 3
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# Terak 8510/a (model 9)
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#
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# ROM loading (boot.c:83-116):
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# BK-0010 models use load_rom() which maps ROM into emulated memory at
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# specific addresses: monitor at 0100000 (8 KB), BASIC/FOCAL at 0120000
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# (24448-24576 bytes), disk controller at 0160000 (4 KB).
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# BK-0011M uses load_rom11() which loads into separate ROM buffer arrays.
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#
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# ROM file resolution (libretro.c:1051-1108):
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# Files are loaded from {system_dir}/bk/{filename} (libretro.c:724-726).
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# If not found with original casing, the loader retries with lowercase
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# filename (libretro.c:1074-1079).
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#
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# All ROM files are required for their respective model. The core calls
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# environ_cb(RETRO_ENVIRONMENT_SHUTDOWN) if any ROM file is missing.
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notes: |
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Files go in {system_dir}/bk/.
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Each BK model requires a specific set of ROMs. The default model is BK-0010
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which needs MONIT10.ROM and FOCAL10.ROM. Changing the core option "bk_model"
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changes which ROMs are loaded. The core shuts down if a required ROM is
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missing (no fallback or pseudo-BIOS).
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If a ROM file with uppercase name is not found, the core retries with
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the filename lowercased.
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files:
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# -- BK-0010 Monitor ROM (all BK-0010 variants) --
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- name: MONIT10.ROM
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path: "bk/MONIT10.ROM"
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size: 8192
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required: true
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note: "BK-0010 monitor ROM (8 KB). Loaded at address 0100000. Required for all BK-0010 models (0, 1, 2)."
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source_ref: "main.c:53, boot.c:107"
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aliases: ["monit10.rom"]
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# -- BK-0010 language ROMs (model-dependent) --
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- name: FOCAL10.ROM
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path: "bk/FOCAL10.ROM"
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size: 24576
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required: false
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note: "FOCAL interpreter ROM (24448-24576 bytes). Loaded at 0120000. Used by BK-0010 (model 0, default)."
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source_ref: "libretro.c:15, boot.c:110"
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aliases: ["focal10.rom"]
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- name: BASIC10.ROM
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path: "bk/BASIC10.ROM"
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size: 24576
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required: false
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note: "BASIC interpreter ROM (24448-24576 bytes). Loaded at 0120000. Used by BK-0010.01 (model 1)."
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source_ref: "libretro.c:16, boot.c:110"
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aliases: ["basic10.rom"]
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# -- Disk controller ROM (BK-0010.01+FDD and BK-0011M) --
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- name: DISK_327.ROM
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path: "bk/DISK_327.ROM"
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size: 4096
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required: false
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note: "Floppy disk controller ROM (4 KB). Loaded at 0160000 for BK-0010.01+FDD (model 2), or into system_rom for BK-0011M (model 3/4)."
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source_ref: "main.c:54, boot.c:99,113"
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aliases: ["disk_327.rom"]
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# -- BK-0011M ROMs --
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- name: B11M_BOS.ROM
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path: "bk/B11M_BOS.ROM"
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size: 8192
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required: false
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note: "BK-0011M system ROM / BOS (8 KB). Loaded into system_rom at offset 0. Required for BK-0011M (model 3/4)."
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source_ref: "main.c:55, boot.c:98"
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aliases: ["b11m_bos.rom"]
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- name: B11M_EXT.ROM
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path: "bk/B11M_EXT.ROM"
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size: 8192
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required: false
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note: "BK-0011M extended BOS ROM (8 KB). Loaded into rom[1] at offset 8192. Required for BK-0011M (model 3/4)."
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source_ref: "main.c:56, boot.c:102"
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aliases: ["b11m_ext.rom"]
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- name: BAS11M_0.ROM
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path: "bk/BAS11M_0.ROM"
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size: 16384
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required: false
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note: "BK-0011M BASIC ROM part 0 (16 KB). Loaded into rom[0]. Required for BK-0011M (model 3/4)."
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source_ref: "main.c:57, boot.c:100"
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aliases: ["bas11m_0.rom"]
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- name: BAS11M_1.ROM
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path: "bk/BAS11M_1.ROM"
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size: 8192
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required: false
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note: "BK-0011M BASIC ROM part 1 (8 KB). Loaded into rom[1] at offset 0. Required for BK-0011M (model 3/4)."
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source_ref: "main.c:58, boot.c:101"
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aliases: ["bas11m_1.rom"]
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# -- Terak 8510/a ROM --
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- name: TERAK.ROM
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path: "bk/TERAK.ROM"
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size: 128
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required: false
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note: "Terak 8510/a boot ROM (128 bytes). Only used when model is set to Terak 8510/a (model 9)."
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source_ref: "boot.c:94"
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aliases: ["terak.rom"]
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platform_details:
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bios_mapping:
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source_ref: "libretro.c:718-760, boot.c:83-116"
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notes: |
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ROM directory is {system_dir}/bk/ (libretro.c:724-726).
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Model selection via core option "bk_model" determines which ROMs are loaded.
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The core shuts down immediately if any required ROM for the selected model
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is not found.
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model_rom_map:
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source_ref: "libretro.c:734-756, boot.c:83-116"
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notes: |
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BK-0010: MONIT10.ROM + FOCAL10.ROM
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BK-0010.01: MONIT10.ROM + BASIC10.ROM
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BK-0010.01 + FDD: MONIT10.ROM + DISK_327.ROM
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BK-0011M + FDD: B11M_BOS.ROM + DISK_327.ROM + BAS11M_0.ROM + BAS11M_1.ROM + B11M_EXT.ROM
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Slow BK-0011M: same as BK-0011M + FDD
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Terak 8510/a: TERAK.ROM
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rom_loading:
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source_ref: "libretro.c:1051-1108"
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notes: |
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load_rom_file() first tries {romdir}/{filename} with original casing.
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If not found, retries with the filename converted to lowercase.
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Returns NULL and shuts down the core on failure.
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