Mame Bios Roms 0 147 May 2026

Version 0.147 became legendary — not because it was the newest, but because it contained BIOS dumps from boards that had since physically decayed. No later version had those exact dumps.

But the Neo Geo BIOS was split across three obscure files: sp-s2.sp1, vs-bios.rom, and sm1.sm1 . Version 0.147 used a different naming convention than modern MAME. She had to manually rename and verify each one using a command-line tool. mame bios roms 0 147

Then — a green grid, white text: .