YACC v.401

Ever seen a .cso file?? I was downloading a game's file. and after extracting I got shocked that it is CSO file, and I dont have idea how to open it.
Well dont worry if you're facing the same problem right now, you are in the right path lol~
First we must learn what is CSO file ??

CSO stands for "Compressed ISO." It is a format used by the game console Portable Sony Playstation, or the PSP. This format is simply a compressed CD image. In order to use this format on your computer, you'll have to decompress the format into "regular" ISO, so that it can be used by a program that can run the ISO format

I have got the decompressor, the name is YACC

Download Here