.globl _ubox_set_tiles LDIRVM = 0x005c BG_TILES = 0x0 _ubox_set_tiles:: ld de, #BG_TILES ld bc, #256 * 8 push hl call LDIRVM pop hl ld de, #BG_TILES + #256 * 8 ld bc, #256 * 8 push hl call LDIRVM pop hl ld de, #BG_TILES + #256 * 8 * 2 ld bc, #256 * 8 jp LDIRVM