You have the "mame 2003plus reference link full nonmerged romsets" – but nothing works. Here is why.
necessary files (including "parent" ROMs and BIOS files) to run independently. This is the recommended format for mame 2003plus reference link full nonmerged romsets
`/roms/ | |-- 1942.zip (Non-merged - contains 1942, audio CPU, graphics) |-- pacman.zip (Non-merged - contains pacman.6e, pacman.6f, etc.) |-- neogeo.zip (The universal BIOS - often still required even in non-merged, but non-merged games include a copy) |-- sf2.zip (Street Fighter II - World) |-- README.dat You have the "mame 2003plus reference link full