*4LY ...[   
 *4S6 ...[   
 *4^B ...[??? JBWCBC SECT FILE FGN 24 DOC
 *5F2    #MAC           JBWCBC              [L,W,P,I 
 *5NS ...[ JUMP TO L IF W IS CLEAR OR CLEAR BIT(P,I) 
 *5YL          JBWC     %A,%B
 *6D=          BC       %C,%D
 *6XW    #NOR