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BattleIntroSlidingPics:
ld b, $70
ld c, $90
ld a, c
ldh [hSCX], a
call DelayFrame
ld a, %11100100
call DmgToCgbBGPals
lb de, %11100100, %11100100
call DmgToCgbObjPals
.loop1
push bc
ld h, b
ld l, $40
call .subfunction2
ld h, $00
ld l, $60
call .subfunction2
call .subfunction1
pop bc
ld a, c
ldh [hSCX], a
inc b
inc b
dec c
dec c
jr nz, .loop1
ret
.subfunction1
push bc
ld hl, wVirtualOAMSprite00XCoord
ld c, $12 ; 18
ld de, SPRITEOAMSTRUCT_LENGTH
.loop2
dec [hl]
dec [hl]
add hl, de
dec c
jr nz, .loop2
pop bc
ret
.subfunction2
.loop3
ldh a, [rLY]
cp l
jr nz, .loop3
ld a, h
ldh [rSCX], a
.loop4
ldh a, [rLY]
cp h
jr z, .loop4
ret
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