WRITE ARRAY - write a range of bytes

 Command:       $AF $0E
 Data:          $ww $xx $yy $zz $qq $rr $ss $tt

 write a range of bytes to address <$wwxxyyzz> for <$qqrrsstt> bytes
 After the computer sends the ACK, you must then send the byte stream...

 Command will be ACK'ed when received.
 Command ACK:   $00 $0E
 Command DONE:  $1F $0E