Persona 4/Items

Item data is stored in DATA/INIT/ITEMTBL.BIN in Persona 4 and in itemtbl.bin within the init_free.bin in Persona 4 Golden's  data.cpk. In Persona 4 Golden, itemtbl.bin also contains the names of each item. Item data consists of segments of 68 bytes, each headed by 03 00 00 00.

For weapons, the attack value is stored in the 45th and 46th bytes in the segment, while accuracy is stored in the 47th and 48th bytes. The icon displayed by the weapon's name is controlled by the 41st byte, but this is strictly cosmetic, and has no effect on who can equip a given weapon.

For armor, the the armor value is stored in the 53rd and 54th bytes in the segment, while evasion is stored in the 55th and 56th bytes.