For users looking for more modern alternatives with enhanced features like higher resolutions or widescreen hacks, DuckStation are highly recommended current-day standards. transfer save files from an old memory card to this new setup using tools like MemcardRex Guide to set up pSX v1.13 | The Emulator Zone Forum

pSX uses virtual memory card files to store game saves. You do not need a new file for every game; one card can hold multiple saves just like a physical one. : Go to File > Configuration and click the Memory Cards tab.