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# Daphne - RetroBIOS

Type | standalone + libretro
Classification | community_fork
Source | https://github.com/libretro/daphne
Upstream | https://github.com/mirror/daphne-emu
Version | Git
Profiled | 2026-03-23
Cores | daphne
Systems | arcade-laserdisc

Technical notes

LaserDisc arcade game emulator. Port of Daphne 1.0 (Matt Ownby) to libretro. Each game loads its own arcade ROM set from a ZIP file named after the game (e.g. lair.zip). ROMs are loaded from a content-relative directory structure (homedir/roms/) with CRC32 verification (game.cpp:767-781). The core never accesses the RetroArch system directory. Additional per-game data (framefiles, sound samples, overlay BMPs) is also loaded relative to the content directory.

No BIOS or firmware files required.

Why no files

.info declares no firmware (firmware_count absent). Code confirmed: the core never calls RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY. All files (ROM ZIPs, framefiles, sound, pics) load from the content directory via g_homedir (libretro.cpp:1153, set to rom_path/..). No shared system BIOS or firmware.

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