pokecrystal-board/home/clear_sprites.asm

ClearSprites::
; Erase OAM data
	ld hl, wVirtualOAM
	ld b, wVirtualOAMEnd - wVirtualOAM
	xor a
.loop
	ld [hli], a
	dec b
	jr nz, .loop
	ret

HideSprites::
; 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
Remove all address comments 2018-06-24 07:09:41 -07:00			`ClearSprites::`
Move more code from home.asm into home/ 2018-04-04 21:35:14 -07:00			`; Erase OAM data`
			`ld hl, wVirtualOAM`
			`ld b, wVirtualOAMEnd - wVirtualOAM`
			`xor a`
			`.loop`
			`ld [hli], a`
			`dec b`
			`jr nz, .loop`
			`ret`

Remove all address comments 2018-06-24 07:09:41 -07:00			`HideSprites::`
Move more code from home.asm into home/ 2018-04-04 21:35:14 -07:00			`; 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`