Sega Dreamcast Bios Files Work Direct

If you are using NullDC (which has been superseded by Flycast), place BIOS files in nullDC/data/ .

| File Name | Size | Purpose | |-----------|------|---------| | dc_boot.bin | 2 MB | Main BIOS. Swirl logo, boot sequence, CD player, hardware init. | | dc_flash.bin | 128 KB | NVRAM settings: language (English/Japanese), time, region, controller pack data. | | dc_boot_j.bin | 2 MB | Japanese region BIOS. | | dc_boot_u.bin | 2 MB | USA region BIOS. | | dc_boot_e.bin | 2 MB | Europe/PAL region BIOS. | | dc_boot_h.bin | 2 MB | HKT-3000/Taiwan region BIOS (rare). | sega dreamcast bios files work