Instead of doing a denormalization and subtraction, {HEAD ~ the complement} of {TAIL ~ the minuend} stored in B register is formed 
Instead of doing a denormalization and subtraction , { HEAD ~ the complement } of { TAIL ~ the minuend } stored in B register is formed
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH