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).
43 lines
1.7 KiB
YAML
43 lines
1.7 KiB
YAML
emulator: DeSmuME
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type: libretro
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source: "https://github.com/libretro/desmume"
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profiled_date: "2026-03-18"
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cores: [desmume, desmume2015]
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systems: [nintendo-ds]
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notes: |
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DeSmuME provides full HLE (High-Level Emulation) of all ARM7/ARM9 SWI
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routines, making BIOS files optional for most games. When external BIOS
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is disabled, a minimal fake BIOS with exception vectors and IRQ handler
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stubs is generated at runtime (NDSSystem.cpp:2208-2224, 2263-2278).
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External BIOS enables SWI-from-BIOS mode and firmware boot animation.
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Firmware boot requires both ARM7+ARM9 BIOS loaded AND interpreter mode
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(JIT incompatible, see libretro.cpp:788).
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ARM9 BIOS read size: 4096 bytes (0x1000). ARM7 BIOS read size: 16384
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bytes (0x4000). No DSi support.
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Libretro core option: desmume_use_external_bios (enabled/disabled).
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files:
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- name: "bios7.bin"
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system: nintendo-ds
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description: "ARM7 BIOS"
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required: false
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size: 16384
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source_ref: "desmume/src/NDSSystem.cpp:2178-2182, frontend/libretro/libretro.cpp:763"
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notes: "HLE fallback covers all SWI calls; native file needed for firmware boot and SWI-from-BIOS accuracy"
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- name: "bios9.bin"
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system: nintendo-ds
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description: "ARM9 BIOS"
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required: false
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size: 4096
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source_ref: "desmume/src/NDSSystem.cpp:2236-2239, frontend/libretro/libretro.cpp:764"
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notes: "HLE fallback covers all SWI calls; native file needed for firmware boot and logo comparison (Pal Park)"
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- name: "firmware.bin"
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system: nintendo-ds
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description: "NDS firmware image"
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required: false
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source_ref: "desmume/src/NDSSystem.cpp:2653-2655, frontend/libretro/libretro.cpp:765"
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notes: "Dummy firmware generated when absent; native firmware needed for boot animation, wifi config, user settings"
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