thanks, so I install the hmod for fba, and I guess put neo geo bios into bios template folder (or is there a fba bios hmod i wonder, hmm) and set path to bin/fba2012 ?
U can install bios neo geo new hmod, instead
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thanks @KMFDManic metal slug works brilliantly on fba2012 core with neo geo bios hmod!
No prob Metal Slug 4/5 work great, too. and, they also work with 7zip on fba 2012