You can edit Memory card.

You must fit file type of Memory card when you use PSM for Mac.
Convertor (WINPSM/PSer / CVGS Win)

Double click "PSM for Macintosh"

Main window!

Select save type.
WinPSM/PSM for Macintosh as ***.ps & ***.psm
Virtual Game Station as ***.mem
PSer(PSX) as ***.psx

You use 4 button. Don't toutch "MemRead" & "MemWrite".
Maybe Macintosh is freeze because PSM search serial port.
Black "FileOpen" & "FileSave" operate first port.
Blue "FileOpen" & "FileSave" is second.

PSM indicate data when you select.

You select data on 1st memory card after push "1>>2" button. PSM copy data to 2nd memorycard.
You select data on 2nd memory card after push "1<<2" button. PSM copy data to 1st memorycard.
You select data after push "Delete" button. PSM delete data to memorycard.

PSM indicate Save Window when You push FileSave.
Select save place & type in filename after push "save" button.

Finish!!!