Managed to figure out some addresses for starters in Chou Fushigi no Dungeon! I'll keep looking around for some more, like pre-evo slots, the third teammate's, and Pelipper Island's addresses.
0x9CCC5C - first Pokemon
0x9CCD60 - second Pokemon
>>33130613That only applies to American and European versions of the game. For some reason, the Japanese version is saved differently so you'd get a corruption message.