mirror of
https://github.com/Abdess/retroarch_system.git
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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).
31 lines
1.0 KiB
YAML
31 lines
1.0 KiB
YAML
emulator: TGB Dual
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type: libretro
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source: "https://github.com/libretro/tgbdual-libretro"
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profiled_date: "2026-03-18"
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cores:
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- TGB Dual
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systems:
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- nintendo-gb
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- nintendo-gbc
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notes: |
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TGB Dual is a Game Boy / Game Boy Color emulator by GIGO and Hii with
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link cable support for two Game Boy units side by side.
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No BIOS or boot ROM files are required or supported. The core does not
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call RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY for firmware loading and does
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not attempt to open any files from the system directory.
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In cpu.cpp:57, the program counter is initialized to 0x100 (post-boot ROM
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entry point), and cpu::reset() sets all registers to their post-boot
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values directly (AF=0x01B0 for DMG, 0x11B0 for CGB). This means the
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core completely bypasses the boot ROM sequence via HLE register setup.
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The load_rom() path in libretro.cpp passes ROM data directly to the gb
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class without any BIOS file concatenation or boot ROM mapping.
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Supported extensions: gb, dmg, gbc, cgb, sgb.
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Library version: v0.8.3.
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files: []
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