pokered/engine/overworld/is_player_just_outside_map.asm
2016-06-11 17:24:04 -07:00

16 lines
288 B
NASM

; returns whether the player is one tile outside the map in Z
IsPlayerJustOutsideMap:
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