it's exactly the same 
from the readme:
from the readme:
>> HOTKEY FUNCTIONS <<
F1 - Save state, ("PSXeven\states") needs to exist.
F2 - Select savestate slot. (1-5)
F3 - Load state from current slot.
F8 - Create snapshot, ("PSXeven\snap") directory needs to exist.
ESC - Pause/Continue current game.