mirror of
https://github.com/Abdess/retroarch_system.git
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Every profile now has: - profiled_date: date of source code analysis - core_version: version from libretro-core-info .info files - display_name: human-readable name from .info files 260/260 profiles complete. 294/294 libretro cores covered. Standalone emulators (cemu, rpcs3, xemu, vita3k) versioned manually.
98 lines
4.2 KiB
YAML
98 lines
4.2 KiB
YAML
emulator: galaksija
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type: libretro
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source: "https://github.com/libretro/galaxy-libretro"
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profiled_date: "2026-03-18"
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core_version: "v0.1"
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display_name: "Elektronika Inženjering - Galaksija (Galaksija)"
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cores:
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- galaksija
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systems:
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- galaksija
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# Galaksija is a Yugoslav home computer (1983, designed by Voja Antonic) emulator.
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# Z80-based at 3.072 MHz, PAL 50fps, character-mode display (32x16 chars, 256x208 px).
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#
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# The core embeds all three firmware files compressed in rom.c (LoadCHRGENBIN,
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# LoadROM1BIN, LoadROM2BIN). External files are optional overrides -- if ANY of
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# CHRGEN.BIN or ROM1.BIN is missing from <system_dir>/galaksija/, the core sets
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# firmware_ignore=true and loads all ROMs from the embedded copies instead.
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#
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# Firmware loading (src/libretro.c:93-135):
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# 1. retro_init() checks for galaksija/CHRGEN.BIN and galaksija/ROM1.BIN
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# 2. If either is missing: firmware_ignore=true, load embedded compressed ROMs
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# 3. If both present: galaxy_init() reads files from disk (init.c:46-105)
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# 4. ROM2.BIN missing is a warning only, not fatal (init.c:84-85)
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# 5. GAL_PLUS.BIN: referenced in a TODO comment but not implemented yet
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#
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# Memory map:
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# 0x0000-0x0FFF: ROM1 (4096 bytes) - BASIC interpreter
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# 0x1000-0x1FFF: ROM2 (4096 bytes) - math extension (optional)
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# 0x2000-0x27FF: keyboard memory-mapped I/O
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# 0x2800-0x29FF: screen RAM (32x16 characters)
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# 0x2A00-0x3FFF: free RAM
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# chargen: 2048-byte character generator ROM (separate, not memory-mapped)
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#
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# The included firmware is public domain per README.
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files:
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- name: "CHRGEN.BIN"
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path: "galaksija/CHRGEN.BIN"
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size: 2048
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required: false
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note: >
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Character generator ROM. Defines the 128-character bitmap font (8x13 pixels
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each). The core has this embedded compressed in rom.c and only loads the
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external file if all firmware files are present in the system directory.
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source_ref: "src/rom.h:5, src/libretro.c:95-99, src/external/galaksija-emulator/src/init.c:55-67"
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- name: "ROM1.BIN"
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path: "galaksija/ROM1.BIN"
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size: 4096
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required: false
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note: >
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System ROM / BASIC interpreter. Mapped at 0x0000-0x0FFF. Contains the
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Galaksija BASIC language and boot routines. Embedded in rom.c as fallback.
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source_ref: "src/rom.h:8, src/libretro.c:101-105, src/external/galaksija-emulator/src/init.c:69-81"
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- name: "ROM2.BIN"
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path: "galaksija/ROM2.BIN"
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size: 4096
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required: false
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note: >
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Math extension ROM. Mapped at 0x1000-0x1FFF. Adds floating-point math
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functions (SIN, COS, TG, SQR, LN, EXP, POW, etc). Optional even when
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loading from disk -- missing ROM2 only triggers a warning. Embedded in
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rom.c as fallback.
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source_ref: "src/rom.h:11, src/libretro.c:107-110, src/external/galaksija-emulator/src/init.c:83-92"
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- name: "GAL_PLUS.BIN"
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path: "galaksija/GAL_PLUS.BIN"
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size: 4096
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required: false
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note: >
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Galaksija Plus extension ROM. Would map at 0xE000-0xEFFF. Referenced in a
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TODO comment in init.c but not yet implemented in the libretro core. The
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original standalone emulator loaded it optionally with a Serbian message
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on failure ("GAL_PLUS.BIN nije prisutan, idemo dalje bez njega!").
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source_ref: "src/external/galaksija-emulator/src/init.c:94-104"
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notes:
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embedded_firmware: >
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All three ROMs (CHRGEN.BIN, ROM1.BIN, ROM2.BIN) are embedded as compressed
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blobs in src/rom.c using RLE compression. The core works out of the box
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without any external firmware files. External files only serve as overrides
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for users who want alternative ROM versions (e.g. different BASIC revisions
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or character sets).
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firmware_override_logic: >
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The override is all-or-nothing for CHRGEN.BIN and ROM1.BIN. If either file
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is missing from galaksija/, the core ignores all external firmware and uses
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embedded copies. ROM2.BIN is handled separately and can be absent even when
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loading from disk.
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license: >
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The emulator code and included firmware are public domain. External
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dependencies (libz80, libretro-common, tinyfiledialogs) have separate
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licenses (GPL2, MIT).
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no_bios_required_for_pack: >
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Since all firmware is embedded, this core does not need any BIOS files in
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platform packs. The files listed above are optional overrides only.
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