*COMDECK  COMDDEF - GENERAL DEFINITIONS.
     DEF  GE  #GQ# ;     DEF  LE  #LQ# ;     DEF  NE  #NQ# ;
     DEF  GT  #GR# ;     DEF  LT  #LS# ;     DEF  THRU  #STEP 1 UNTIL# ;
     DEF  CALL # # ;     DEF  GO  #GOTO# ;     DEF  TO  # # ; 
     DEF  AL  #18# ;     # ADDRESS LENGTH IN BITS # 
     DEF  CL  # 6# ;     # CHARACTER LENGTH IN BITS # 
     DEF  NC  # 7# ;     # NAME LENGTH IN CHARACTERS #
     DEF  NL  #42# ;     # NAME LENGTH IN BITS = NC * CL #
     DEF  WC  #10# ;     # WORD LENGTH IN CHARACTERS = WL / CL #
     DEF  WL  #60# ;     # WORD LENGTH IN BITS #
     DEF  ZL  #42# ;     # NON-ADDRESS LENGTH IN BITS = WL - AL # 
