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path: root/home/clear_sprites.asm
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ClearSprites:: ; 300b
; Erase OAM data
	ld hl, wVirtualOAM
	ld b, wVirtualOAMEnd - wVirtualOAM
	xor a
.loop
	ld [hli], a
	dec b
	jr nz, .loop
	ret
; 3016

HideSprites:: ; 3016
; Set all OAM y-positions to 160 to hide them offscreen
	ld hl, wVirtualOAMSprite00YCoord
	ld de, SPRITEOAMSTRUCT_LENGTH
	ld b, NUM_SPRITE_OAM_STRUCTS
	ld a, SCREEN_WIDTH_PX
.loop
	ld [hl], a ; y
	add hl, de
	dec b
	jr nz, .loop
	ret
; 3026