hrydgard/ppsspp — pull request #5579 by thedax (2014-02-28 13:40:59+00:00)
Title: Add a last-ditch effort check for PS1 EBOOTs.

If this doesn't work either, I don't know what else will, as PS1 EBOOTs are -supposed- to have PSISOIMG0000 in their file somewhere, and use the PARAM SFO category "ME".