Ok, I found how to change the gameplay FOV.
This game makes use of formatted script files, and would you know it, one of the functions is for the FOV:
How convenient!
Here's the full code:
16:9 Harry Potter and the Sorcerer's Stone (NTSC-U)
04209020 40AAAAAB
0422D618 40AAAAAB
0422D630 40AAAAAB
0420BE0C 40883127
04209454 40883127
0421E3AC 40AAAAAB
042CBAFC 42CB0000
Cutscenes are still zoomed in though.
This game makes use of formatted script files, and would you know it, one of the functions is for the FOV:
How convenient!
Here's the full code:
16:9 Harry Potter and the Sorcerer's Stone (NTSC-U)
04209020 40AAAAAB
0422D618 40AAAAAB
0422D630 40AAAAAB
0420BE0C 40883127
04209454 40883127
0421E3AC 40AAAAAB
042CBAFC 42CB0000
Cutscenes are still zoomed in though.