Add support for CSO images, which are typically used to compress PSP games. According to Wikipedia: ".CSO is a compression method for the ISO image format. It is used to compress dumped PlayStation Portable UMD games, and is an alternative to the .DAX compression method." (https://en.wikipedia.org/wiki/.CSO)
claunia
commented
4 years ago 
Description
Add support for CSO images, which are typically used to compress PSP games. According to Wikipedia: ".CSO is a compression method for the ISO image format. It is used to compress dumped PlayStation Portable UMD games, and is an alternative to the .DAX compression method." (https://en.wikipedia.org/wiki/.CSO)