For Zelda try: 0x101D
For Secret of Mana simply use the NTSC Patch from romhacking.net
For other games try these presets:
{ "SUPER MARIOWORLD", 0x1011 },
{ "F-ZERO", 0x1018 },
{ "THE LEGEND OF ZELDA", 0x101D },
{ "SUPER MARIO KART", 0x10BD },
{ "Super Metroid", 0x1040 },
{ "EARTH BOUND", 0x1070...