mirror of https://github.com/pret/pokecrystal.git
99 lines
1.2 KiB
NASM
99 lines
1.2 KiB
NASM
BattleIntroSlidingPics:
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ldh a, [rSVBK]
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push af
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ld a, BANK(wLYOverrides)
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ldh [rSVBK], a
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call .subfunction1
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ld a, LOW(rSCX)
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ldh [hLCDCPointer], a
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call .subfunction2
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xor a
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ldh [hLCDCPointer], a
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pop af
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ldh [rSVBK], a
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ret
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.subfunction1
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call .subfunction4
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ld a, $90
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ldh [hSCX], a
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ld a, %11100100
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call DmgToCgbBGPals
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lb de, %11100100, %11100100
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call DmgToCgbObjPals
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ret
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.subfunction2
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ld d, $90
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ld e, $72
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ld a, $48
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inc a
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.loop1
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push af
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.loop2
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ldh a, [rLY]
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cp $60
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jr c, .loop2
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ld a, d
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ldh [hSCX], a
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call .subfunction5
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inc e
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inc e
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dec d
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dec d
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pop af
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push af
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cp $1
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jr z, .skip1
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push de
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call .subfunction3
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pop de
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.skip1
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call DelayFrame
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pop af
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dec a
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jr nz, .loop1
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ret
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.subfunction3
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ld hl, wVirtualOAMSprite00XCoord
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ld c, $12 ; 18
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ld de, SPRITEOAMSTRUCT_LENGTH
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.loop3
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dec [hl]
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dec [hl]
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add hl, de
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dec c
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jr nz, .loop3
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ret
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.subfunction4
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ld hl, wLYOverrides
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ld a, $90
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ld bc, SCREEN_HEIGHT_PX
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call ByteFill
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ret
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.subfunction5
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ld hl, wLYOverrides
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ld a, d
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ld c, $3e ; 62
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.loop4
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ld [hli], a
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dec c
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jr nz, .loop4
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ld a, e
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ld c, $22 ; 34
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.loop5
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ld [hli], a
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dec c
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jr nz, .loop5
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xor a
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ld c, $30 ; 48
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.loop6
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ld [hli], a
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dec c
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jr nz, .loop6
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ret
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