files which contain the game's data tracks. The "DUO" branding sometimes refers to specific optimizations that allow these games to run on modified Dreamcast hardware or specific dual-boot setups. Compression Efficiency
, a high-ratio compression format used to reduce the large file sizes of arcade ROMs and disk images for easier storage and sharing within the emulation community. Key Components Emulation Compatibility : These archives are often used with emulators like NaomiDUO 7z
: Using 7z is standard for arcade sets because it significantly shrinks the "zero-fill" data often found in original arcade dumps, making a multi-gigabyte library much more manageable. Technical Usage To use a NaomiDUO 7z file: Extraction to extract the contents. BIOS Requirements : You will need the specific Naomi BIOS files (usually files which contain the game's data tracks