.cpu    "6502"
*       =       $1000
L1000   ldy     #$28
        lda     _L1017,y
        sta     $2000,y
        dey
        bpl     L1000
        lda     _L103F
        lda     _L103F+1
        lda     done-1
        jmp     done

_L1017  .binary "20300-1.bin"
_L103F  .binary "20300sub/20300-2.bin"

done    rts