2018-06-24 07:09:41 -07:00
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ClearSprites::
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2018-04-04 21:35:14 -07:00
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; Erase OAM data
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2022-07-09 14:18:22 -07:00
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ld hl, wShadowOAM
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ld b, wShadowOAMEnd - wShadowOAM
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2018-04-04 21:35:14 -07:00
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xor a
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.loop
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ld [hli], a
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dec b
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jr nz, .loop
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ret
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2018-06-24 07:09:41 -07:00
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HideSprites::
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2018-04-04 21:35:14 -07:00
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; Set all OAM y-positions to 160 to hide them offscreen
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2022-07-09 14:18:22 -07:00
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ld hl, wShadowOAMSprite00YCoord
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2018-04-04 21:35:14 -07:00
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ld de, SPRITEOAMSTRUCT_LENGTH
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ld b, NUM_SPRITE_OAM_STRUCTS
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ld a, SCREEN_WIDTH_PX
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.loop
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ld [hl], a ; y
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add hl, de
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dec b
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jr nz, .loop
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ret
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