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_LoadMapPart::
ld hl, wSurroundingTiles
ld a, [wMetatileStandingY]
and a
jr z, .top_row
ld bc, SURROUNDING_WIDTH * 2
add hl, bc
.top_row
ld a, [wMetatileStandingX]
and a
jr z, .left_column
inc hl
inc hl
.left_column
decoord 0, 0
ld b, SCREEN_HEIGHT
.loop
ld c, SCREEN_WIDTH
.loop2
ld a, [hli]
ld [de], a
inc de
dec c
jr nz, .loop2
ld a, l
add METATILE_WIDTH
ld l, a
jr nc, .carry
inc h
.carry
dec b
jr nz, .loop
ret
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