MOV DPH, <b><font size="+1" color="red">#</font></b>0x70 ; high address
    MOV DPL, <b><font size="+1" color="red">#</font></b>0x00 ; lower address
    MOV R1, <b><font size="+1" color="red">#</font></b>0x08 ; Cmd to erase block