ref: cd3eb9867be3cdaee4c1ac41c83e81a18ea5eff3
dir: /engine/overworld/is_player_just_outside_map.asm/
; returns whether the player is one tile outside the map in Z IsPlayerJustOutsideMap: ; 128d8 (4:68d8) ld a, [wYCoord] ld b, a ld a, [wCurMapHeight] call .compareCoordWithMapDimension ret z ld a, [wXCoord] ld b, a ld a, [wCurMapWidth] .compareCoordWithMapDimension add a cp b ret z inc b ret