Ensure your files aren't corrupted. A healthy dc_boot.bin is typically 2MB (2,048 KB). Conclusion
This file stores system settings, such as the language, time, date, and console region. While some emulators can generate a blank flash file, having a genuine one ensures better compatibility with games that check for system configurations. Why You Need These Files dreamcast bios files dcbootbin and dcflashbin free
Some games refuse to boot without the original startup sequence. Ensure your files aren't corrupted
Place dc_boot.bin and dc_flash.bin inside the or "data" directory. such as the language
Are you setting this up for a or a handheld device like the Retroid Pocket or Steam Deck ?