Try renaming the files as follows: 269-m1.rom 269-c1.rom (name like this for all the c's) 269-p1.rom 269-s1.rom 269-v1.rom (name like this for all the v's) so basically, just name every file beginning with "269-" and then the respective m1,s1,p1,v1 or whatever. Then.rom to end it.