The Playstation 1 uses CD-ROMs with the XA extension.
If you open a PS1 ISO within a hex editor, you'll want to scroll down to
Within a normal CD (or ISO), it will have a header offset size of
It seems a little arbitrary but you can read the table of contents by multiplying the header offset by 16.
For a normal CD, this would be
2048 * 16 = 32768
In the case of PS1 discs, the header offset size is
2352 for reasons I don't understand so they start at
2352 * 16 = 37632
Lastly, and somewhat arbitrarily, you'll want to jump forward by an additional
24 bytes in order to come to the starting point of