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# DeSmuME 2015 - RetroBIOS

Type | libretro
Classification | frozen_snapshot
Source | https://github.com/libretro/desmume2015
Upstream | https://github.com/TASEmulators/desmume
Version | SVN (2015 snapshot)
Profiled | 2026-03-23
Cores | desmume2015
Systems | nintendo-ds

Technical notes

Frozen 2015 snapshot of DeSmuME. The core emulator code supports external BIOS/firmware (PrepareBiosARM7/ARM9 in NDSSystem.cpp:1974-2050), but UseExtBIOS defaults to false (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.

No BIOS or firmware files required.

Why no files

.info declares firmware_count=3 but libretro frontend never enables external BIOS loading (UseExtBIOS defaults false in NDSSystem.h:497, never set in libretro.cpp)

Generated on 2026-03-25T14:56:43Z