0x8015FA54 halfword - Magic Bar Width
0x8015FA64 halfword - Display Bow Score
0x8015FA66 halfword - Bow Score
0x8015FA82 halfword - Make it night/day
0x8015FA84 halfword - Restore Health

0x80125A10 navi button visible flag

Text Function
JAL 0x8010B680
A0 = 80212020
A1 = Text ID
A2 = 0 (Some kind of pointer? Don't know when it's used)