ref: 7bd8d56ff93e14839d304cc3a3a2a182e992f909
dir: /home/region.asm/
IsInJohto:: ; Return 0 if the player is in Johto, and 1 in Kanto. ld a, [wMapGroup] ld b, a ld a, [wMapNumber] ld c, a call GetWorldMapLocation cp FAST_SHIP jr z, .Johto cp SPECIAL_MAP jr nz, .CheckRegion ld a, [wBackupMapGroup] ld b, a ld a, [wBackupMapNumber] ld c, a call GetWorldMapLocation .CheckRegion: cp KANTO_LANDMARK jr nc, .Kanto .Johto: xor a ret .Kanto: ld a, 1 ret ret_2f3e:: ret