8S^S ...[??? SETBIT SECT CENT FGN 9 DOC 
 8T9L    #   
 8TP=    #     THIS MACRO SETS BIT %A OF WORD %B 
 8W8W    #   
 8WNG    #MAC  SETBIT
 8X86          FLIPS    %B,,%A   
 8XMQ    #NOR