Tested FM disc swaps

All NTSC (U) games, tested on BizHawk.

Action Replay Disc 2? - 000
Air Hockey - 000
Azure Dreams - crash
Big League Slugger Baseball - 000
Code Breaker Version 3 - 000
Crash 1 - crash
Crash 2 - crash
Crash 3 - crash
Crash Bash - 001
Crash Team Racing - crash
Digimon Rumble Arena - crash
Digimon World 1 - crash
Digimon World 2 - crash
Digimon World 3 - crash
FIFA 2005 - crash
GameShark 2 Version 2 Code Archive Disc Version 1 - 000
GameShark CDX Version 3.4 - crash
GameShark V4.0 - 000
Harry Potter and the Chamber of Secrets - crash
Harry Potter and the Sorcerer's Stone - crash
Mortal Kombat Trilogy (V1.0) - 001, but crash
Rayman - crash
Shipwreckers - crash
Spyro 1 - crash
Spyro 2 - crash
Spyro 3 (V1.1) - crash