.org $8000

                ei
START:
                ld a, 2
                out ($fe), a
                ld b, 255
                ld de, TILES
                ld hl, $4000
LOOP:
                ld a, (de)
                ld (hl), a
                inc e
                inc h
                djnz LOOP
                ld a, (de)
                ld hl, $5800
                ld (hl), a

                ld a, 0
                out ($fe), a

                halt
                jr START

TILES:          db $81, $42, $24, $18, $18, $24, $42, $81, $4d