{HEAD ~ The mantissa} of the second operand is loaded into {TAIL ~ the MQ} register 13 from input output circuit 16 
{ HEAD ~ The mantissa } of the second operand is loaded into { TAIL ~ the MQ } register 13 from input output circuit 16
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH