F4BD ...[??? MCONTEXT SECT CENT FGN 21 DOC  
 F4CG    #   
 F4X6    [     THIS MACRO ALLOWS SPECIFIED CONTEXT BITS TO BE SET UP IN A WORD   
 F5BQ    #   
 F5WB    #MAC  MCONTEXT  
 F6B2          +CTX%A+CTX%B+CTX%C+CTX%D+CTX%E+CTX%F  
 F6TL    #NOR