IDA Pro - How To Load Game ROM
- PS1: As The Open PSF ripping guide said, open PS-X EXE as "Sony Playstation PSX image". Then load PsyQ sigunatures.
- GBA: Read IDA Pro Tutorial - The PokéCommunity Forums. You may want to add IO (4000000h-4000800h) segment and identify IO xrefs.
- NDS: Romhacking.net - Utilities - Nintendo DS loader module for IDA Pro