If you want to maximize your storage space without sacrificing game compatibility or performance, converting your PSX ROM library to CHD is the best solution. What is a CHD File?
: Download the latest version of MAME and extract the chdman.exe file, or download a standalone CHDMAN helper script pack online. chd psx roms
Because the entire disk is contained within one file, the emulator can read the data faster than navigating multiple files. CHD vs. BIN/CUE vs. PBP If you want to maximize your storage space
Type the exact filenames of your CHD discs on separate lines: paste the following code
: Open Notepad, paste the following code, and save the file as convert.bat in that same folder: