! *** 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
    
    
    ! +
    !  PROCESSOR STATUS LONGWORD MASK AND FIELD DEFINITIONS
    ! 
    ! 	This definition file provides PSL$xxxx symbols
    ! 	strictly for the purpose of providing compatibility
    ! 	for code being ported from VAX which refers to the
    ! 	fields of the PSL. Only those fields that exist in
    ! 	both architectures are defined.
    ! 
    ! 	The preferred approach for code that DOES NOT run
    ! 	on VAX is to use the symbols defined by the $PRDEF
    ! 	macro instead.
    ! -
      DECLARE LONG CONSTANT PSL$M_PRVMOD = x'00000003'
      DECLARE LONG CONSTANT PSL$M_CURMOD = x'00000018'
      DECLARE LONG CONSTANT PSL$M_IPL = x'00001F00'
      DECLARE LONG CONSTANT PSL$V_MAX_PS_REG_BIT = 13
    ! 
      DECLARE LONG CONSTANT PSL$C_KERNEL = 0  !  Kernel Mode
      DECLARE LONG CONSTANT PSL$C_EXEC = 1  !  Executive Mode
      DECLARE LONG CONSTANT PSL$C_SUPER = 2  !  Supervisor Mode 
      DECLARE LONG CONSTANT PSL$C_USER = 3  !  User Mode
      DECLARE LONG CONSTANT PSL$S_PSLDEF = 2
      record PSLDEF
         variant
            case
               group PSL$R_PSLDEF_BITS
                   !  Previous Processor Mode
                   !  Current Processor Mode
                   !  Interrupt Priority Level
                  WORD PRVMOD_bits   ! COMMENT ADDED BY SDL - PRVMOD_bits contains bits PRVMOD through FILL_89_
               end group PSL$R_PSLDEF_BITS
    ! 
    !   Maximum bit number used in the PS register
    ! 
    !  MODE SYMBOL DEFINITIONS
    ! 
         end variant
      end record PSLDEF