Lets come back to the restoration of save states when starting (its to do with the difference between srm and .state file usually – check out my 2 videos on youtube about saving games)
Going back to your save games hotkeys:
Are you saying when you have this (dont add extra lines, just use these)
# Saves state.
input_save_state = 5
# Loads state.
input_load_state = 6
AND you hold your hotkey enbale key (so hold Start and press whatever 5 is, it doesnt work? Yellow text should appear at the bottom of the screen if it does work.
If it doesnt, try putting the 5 in quotes “5”