Gadesx was kind enough to provide a list of cheats for those interested!
I haven’t verified them myself yet, but could be useful to those willing to create cheat tables for other emulators!

They claim these were discovered using “epsxe and psx emulation cheater”

All items 99
50005402-0000
800C0060-6363

Skill points
800AEA84-FFFF (65535)

Start with the Best Sword 
800AEB1C-4846

First item slot - 99
800C0061-0063

A ton of Gold
800AEAD9-F000

Infinite HP
8011DC4C-03E7

Max bright always
800AEC24-2000

Having Crystals or light? (I don't remember)
800AEBD6-0008