ref: 53ff57ca663dc5bf9c3731022b0eb0dc73f2207f
dir: /home/region.asm/
IsInJohto:: ; 2f17 ; 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 ; 2f3e