! *** PREDECLARED TYPES
     
      %IF %DECLARED ( %BASIC$QUADWORD_DECLARED ) = 0 %THEN
         RECORD BASIC$QUADWORD
            LONG FILL ( 2 )
         END RECORD
         %LET %BASIC$QUADWORD_DECLARED = 1
      %END %IF
     
      %IF %DECLARED ( %BASIC$OCTAWORD_DECLARED ) = 0 %THEN
         RECORD BASIC$OCTAWORD
            LONG FILL ( 4 )
         END RECORD
         %LET %BASIC$OCTAWORD_DECLARED = 1
      %END %IF
     
      %IF %DECLARED ( %BASIC$HFLOAT_AXP_DECLARED ) = 0 %THEN
         RECORD BASIC$HFLOAT_AXP
            LONG FILL ( 4 )
         END RECORD
         %LET %BASIC$HFLOAT_AXP_DECLARED = 1
      %END %IF
     
      %IF %DECLARED ( %BASIC$F_FLOATING_COMPLEX_DECL ) = 0 %THEN
         RECORD BASIC$F_FLOATING_COMPLEX
            SINGLE REAL_PART
            SINGLE IMAGINARY_PART
         END RECORD
         %LET %BASIC$F_FLOATING_COMPLEX_DECL = 1
      %END %IF
     
      %IF %DECLARED ( %BASIC$D_FLOATING_COMPLEX_DECL ) = 0 %THEN
         RECORD BASIC$D_FLOATING_COMPLEX
            DOUBLE REAL_PART
            DOUBLE IMAGINARY_PART
         END RECORD
         %LET %BASIC$D_FLOATING_COMPLEX_DECL = 1
      %END %IF
     
      %IF %DECLARED ( %BASIC$G_FLOATING_COMPLEX_DECL ) = 0 %THEN
         RECORD BASIC$G_FLOATING_COMPLEX
            GFLOAT REAL_PART
            GFLOAT IMAGINARY_PART
         END RECORD
         %LET %BASIC$G_FLOATING_COMPLEX_DECL = 1
      %END %IF
     
      %IF %DECLARED ( %BASIC$H_FLOAT_AXP_CMPLX_DCL ) = 0 %THEN
         RECORD BASIC$H_FLOATING_COMPLEX_AXP
            BASIC$HFLOAT_AXP REAL_PART
            BASIC$HFLOAT_AXP IMAGINARY_PART
         END RECORD
         %LET %BASIC$H_FLOAT_AXP_CMPLX_DCL = 1
      %END %IF
    
    
      DECLARE LONG CONSTANT UID$K_ArchVersion = 1  !  Current architecture version
      DECLARE LONG CONSTANT UID$K_Apollo1 = 0  !  UID format types
      DECLARE LONG CONSTANT UID$K_Apollo2 = 1
      DECLARE LONG CONSTANT UID$K_Digital = 2
      DECLARE LONG CONSTANT UID$K_Microsoft = 3
      DECLARE LONG CONSTANT UID$K_LENGTH = 16  !  Total structure length
      DECLARE LONG CONSTANT UID$S_UIDDEF = 16
      record UIDDEF
         group UID$r_fill_63_
            variant
               case
                  BASIC$QUADWORD UID$q_timeAndVersion  !  Time and version
               case
                  group UID$r_fill_64_
                     LONG UID$l_timeLow     !  Low order 32 bits of time
                     WORD UID$w_timeMid     !  Middle order 16 bits of time
                     group UID$r_fill_65_
                        variant
                        case
                           WORD UID$w_timeHiAndVersion  !  High order 12 bits of time and
                        case
                           group UID$r_fill_66_
    !  4 bits of version
                               !  High order 12 bits of time
                               !  4 bits of version
                              WORD timeHi_bits   ! COMMENT ADDED BY SDL - timeHi_bits contains bits timeHi through Version
                           end group UID$r_fill_66_
                        end variant
                     end group UID$r_fill_65_
                  end group UID$r_fill_64_
            end variant
         end group UID$r_fill_63_
         group UID$r_fill_67_
            variant
               case
                  WORD UID$w_clockSeqAndReserved  !  Clock sequence and reserved
               case
                  group UID$r_fill_68_
                     group UID$r_fill_69_
                        variant
                        case
                           BYTE UID$b_clockSeqHiAndReserved  !  High order 6 bits of clock sequence
                        case
                           group UID$r_fill_70_
    !  and 2 reserved bits
                               !  High order 6 bits of clock sequence
                               !  2 bits of reserved
                              BYTE clockSeqHi_bits   ! COMMENT ADDED BY SDL - clockSeqHi_bits contains bits clockSeqHi through  &
 ! Reserved
                           end group UID$r_fill_70_
                        end variant
                     end group UID$r_fill_69_
                     BYTE UID$b_clockSeqLow  !  Low order 8 bits of clock sequence
                  end group UID$r_fill_68_
            end variant
         end group UID$r_fill_67_
         group UID$r_fill_71_
            variant
               case
                  BYTE UID$b_node ( 1 to 6 )
               case
                  group UID$r_fill_72_
                     WORD UID$w_nodeHi      !  High order 16 bits of node number
                     LONG UID$l_nodeLow     !  Low order 32 bits of node number
                  end group UID$r_fill_72_
            end variant
         end group UID$r_fill_71_
      end record UIDDEF