INS 20/1 ;07C1 ;JEH 30-Jun-83 [1072] Don't turn on sign bit if value is zero REP 65/1 ;07C2 ;[D1004] TLO TB,(1B0) ;FIX 2ND WORD SIGN BIT WIT SKIPN TB ;[1072] UNLESS RESULT IS ZERO SKIPE TC ;[1072] SUM 211731