shithub: pokecrystal

ref: 7883e8f431a0b8f995c8f581af248b53896e5aa5
dir: /home/copy_tilemap.asm/

View raw version 
LoadTilemapToTempTilemap::
; Load wTilemap into wTempTilemap
	ldh a, [rSVBK]
	push af
	ld a, BANK(wTempTilemap)
	ldh [rSVBK], a
	hlcoord 0, 0
	decoord 0, 0, wTempTilemap
	ld bc, wTilemapEnd - wTilemap
	call CopyBytes
	pop af
	ldh [rSVBK], a
	ret

SafeLoadTempTilemapToTilemap::
	xor a
	ldh [hBGMapMode], a
	call LoadTempTilemapToTilemap
	ld a, 1
	ldh [hBGMapMode], a
	ret

LoadTempTilemapToTilemap::
; Load wTempTilemap into wTilemap
	ldh a, [rSVBK]
	push af
	ld a, BANK(wTempTilemap)
	ldh [rSVBK], a
	hlcoord 0, 0, wTempTilemap
	decoord 0, 0
	ld bc, wTilemapEnd - wTilemap
	call CopyBytes
	pop af
	ldh [rSVBK], a
	ret