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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.
46 lines
1.8 KiB
YAML
46 lines
1.8 KiB
YAML
emulator: fixGB
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type: libretro
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source: "https://github.com/libretro/fixGB"
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profiled_date: "2026-03-18"
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core_version: "Alpha v0.8.2"
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display_name: "Nintendo - Game Boy / Color (fixGB)"
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cores:
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- fixgb
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systems:
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- nintendo-gbc
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notes: |
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fixGB is a Game Boy / Game Boy Color emulator by FIX94, currently at
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alpha v0.8.1. It supports .gb, .gbc, and .gbs (Game Boy Sound) files.
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The core optionally loads "gbc_bios.bin" (CGB boot ROM) from the
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system directory. In the libretro port, doOpenCGBBootrom() in
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libretro.c:246-254 resolves the path via
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RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY + "/gbc_bios.bin".
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memInitCGBBootrom() in mem.c:567-586 validates the file: it must be
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at least 0x900 (2304) bytes. If present, 0x900 bytes are read into
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memCGBBootrom[] and cgbBootromEnabled is set to true. The boot ROM
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plays the Game Boy Color startup animation before handing off to the
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game.
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If the file is missing or too small, the core skips the boot sequence
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and starts games directly. The BIOS is optional -- games run fine
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without it.
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Despite the core name suggesting general Game Boy support, the only
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BIOS file referenced is the GBC boot ROM. There is no DMG (original
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Game Boy) boot ROM support in the source.
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files:
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# --- GBC boot ROM (optional, enables startup animation) ---
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- name: "gbc_bios.bin"
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system: nintendo-gbc
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description: "Game Boy Color (CGB-001) boot ROM"
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required: false
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size: 2304
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md5: "dbfce9db9deaa2567f6a84fde55f9680"
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sha1: "1293d68bf9643bc4f36954c1e80e38f39864528d"
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source_ref: "libretro/libretro.c:246-254 (doOpenCGBBootrom), mem.c:567-586 (memInitCGBBootrom)"
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notes: "Must be at least 0x900 (2304) bytes. Only the first 0x900 bytes are read. Enables cgbBootromEnabled flag for boot animation. Disabled via memDisableCGBBootrom() when register write occurs."
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