emulator: DeSmuME 2015 type: libretro core_classification: frozen_snapshot source: "https://github.com/libretro/desmume2015" upstream: "https://github.com/TASEmulators/desmume" profiled_date: "2026-03-23" source_commit: "422b688009ccb9f2917c086a8fe79c8cecb030ae" core_version: "SVN (2015 snapshot)" display_name: "Nintendo - DS (DeSmuME 2015)" cores: [desmume2015] systems: [nintendo-ds] exclusion_note: ".info declares firmware_count=3 but libretro frontend never enables external BIOS loading (UseExtBIOS defaults false in desmume/src/NDSSystem.h:497, never set in libretro.cpp)" notes: | Frozen 2015 snapshot of DeSmuME. The core emulator code supports external BIOS/firmware (PrepareBiosARM7/ARM9 in desmume/src/NDSSystem.cpp:1957-2033), but UseExtBIOS defaults to false (desmume/src/NDSSystem.h:497) and the libretro frontend never sets it — no desmume_use_external_bios core option exists in this version. Uses HLE BIOS stubs when external BIOS not loaded. files: []