%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$F_FLOATING_COMPLEX_DECL ) = 0 %THEN
    	RECORD BASIC$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_FLOATING_COMPLEX_DECL ) = 0 %THEN
    	RECORD BASIC$H_FLOATING_COMPLEX
    		HFLOAT REAL_PART
    		HFLOAT IMAGINARY_PART
    	END RECORD
    %LET %BASIC$H_FLOATING_COMPLEX_DECL = 1
    %END %IF
    
    
      DECLARE LONG CONSTANT PR520$_ICCS = 24  !  INTERVAL CLOCK CONTROL
      DECLARE LONG CONSTANT PR520$_CADR = 37  !  CACHE DISABLE
      DECLARE LONG CONSTANT PR520$_MSER = 39  !  MEMORY SYSTEM ERROR
      DECLARE LONG CONSTANT PR520$_SAVPC = 42  !  CONSOLE SAVED PC REGISTER
      DECLARE LONG CONSTANT PR520$_SAVPSL = 43  !  CONSOLE SAVED PSL REGISTER
      DECLARE LONG CONSTANT PR550$_CCR = 37  !  Cache Control Register
      DECLARE LONG CONSTANT PR550$M_CCR_DIAG = x'00000001'
      DECLARE LONG CONSTANT PR550$M_CCR_FLUSH = x'00000002'
      DECLARE LONG CONSTANT PR550$M_CCR_ENABLE = x'00000004'
      DECLARE LONG CONSTANT PR550$M_CCR_WWP = x'00000008'
      DECLARE LONG CONSTANT PR550$S_PR550_CCR = 1
      record PR550_CCR
         group PR550$R_CCR_OVERLAY
            variant
               case
                  group PR550$R_CCR_BITS
                     BYTE CCR_DIAG_bits   ! COMMENT ADDED BY SDL - CCR_DIAG_bits contains bits CCR_DIAG through fill_61
                  end group PR550$R_CCR_BITS
            end variant
         end group PR550$R_CCR_OVERLAY
      end record PR550_CCR