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25 lines
669 B
NASM
25 lines
669 B
NASM
UpdateSpriteFacingOffsetAndDelayMovement::
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ld h, HIGH(wSpriteStateData2)
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ldh a, [hCurrentSpriteOffset]
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add $8
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ld l, a
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ld a, $7f ; maximum movement delay
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ld [hl], a ; x#SPRITESTATEDATA2_MOVEMENTDELAY
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dec h ; HIGH(wSpriteStateData1)
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ldh a, [hCurrentSpriteOffset]
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add $9
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ld l, a
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ld a, [hld] ; x#SPRITESTATEDATA1_FACINGDIRECTION
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ld b, a
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xor a
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ld [hld], a
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ld [hl], a ; x#SPRITESTATEDATA1_ANIMFRAMECOUNTER
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ldh a, [hCurrentSpriteOffset]
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add SPRITESTATEDATA1_IMAGEINDEX
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ld l, a
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ld a, [hl] ; x#SPRITESTATEDATA1_IMAGEINDEX
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or b ; or in the facing direction
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ld [hld], a
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ld a, $2 ; delayed movement status
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ld [hl], a ; x#SPRITESTATEDATA1_MOVEMENTSTATUS
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ret
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