%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
    
    
    ! +
    !  IMAGE ACTIVATION CONTROL FLAGS
    ! -
      DECLARE LONG CONSTANT IAC$M_NOACT = x'00000001'
      DECLARE LONG CONSTANT IAC$M_WRITABLE = x'00000002'
      DECLARE LONG CONSTANT IAC$M_SHAREABLE = x'00000004'
      DECLARE LONG CONSTANT IAC$M_PRIVILEGE = x'00000008'
      DECLARE LONG CONSTANT IAC$M_MERGE = x'00000010'
      DECLARE LONG CONSTANT IAC$M_EXPREG = x'00000020'
      DECLARE LONG CONSTANT IAC$M_P1MERGE = x'00000040'
      DECLARE LONG CONSTANT IAC$M_PARANOID = x'00000080'
      DECLARE LONG CONSTANT IAC$M_LASTCLU = x'00000100'
      DECLARE LONG CONSTANT IAC$M_LIM = x'00000200'
      DECLARE LONG CONSTANT IAC$M_RETRY = x'00000400'
      DECLARE LONG CONSTANT IAC$M_NOCMKRNL = x'00000800'
      DECLARE LONG CONSTANT IAC$M_SEQDEVLOD = x'00001000'
      DECLARE LONG CONSTANT IAC$M_XLINKER = x'00002000'
      DECLARE LONG CONSTANT IAC$M_KP_RESHDR = x'00004000'
      DECLARE LONG CONSTANT IAC$M_IS_RESHDR = x'00008000'
      DECLARE LONG CONSTANT IAC$M_NOTSHARED = x'00010000'
      DECLARE LONG CONSTANT IAC$M_GBLCLUSTR = x'00020000'
      DECLARE LONG CONSTANT IAC$M_SHMIDENT = x'00040000'
      DECLARE LONG CONSTANT IAC$M_NOCOPY = x'00080000'
      DECLARE LONG CONSTANT IAC$M_P1MERG_P0 = x'00100000'
      DECLARE LONG CONSTANT IAC$M_SETVECTOR = x'00200000'
      DECLARE LONG CONSTANT IAC$M_PROTECTED = x'00400000'
      DECLARE LONG CONSTANT IAC$C_LARGEST = 6  ! LARGEST FLAG CALLER MAY SPECIFY 
      DECLARE LONG CONSTANT IAC$S_IACDEF = 3
      record IACDEF
         variant
            case
               group IAC$R_IACDEF_BITS
                   ! DO NOT ACTIVATE THE IMAGE (FOR INSTALL) 
                   ! MAKE IMAGE FILE WRITABLE 
                   ! ACT. SHAREABLE IMAGE FOR EXECUTABLE IMG 
                   ! ACT. SHARE. IMG FOR PRIV EXECUTABLE IMG 
                   ! ACT 2ND EXECUTABLE IMG INTO ADR SPACE 
                   ! MAP IMAGE INTO NEXT FREE VA SPACE 
                   ! P1 MERGED ACTIVATION (LEGAL INPUT FLAG) 
                   ! GO INTO PARANOIA MODE
                   ! LAST CLUSTER FLAG 
                   ! LINKABLE IMAGE 
                   ! RETRY IMAGE ACTIVATION 
                   ! SHUT OFF CMKRNL,CMEXEC-SYSVER DIFF 
                   ! LOADING FROM SEQUENTIAL DEVICE (NET) 
                   ! CROSS LINKER FORMAT 
                   ! MAKE IMAGE HEADER RESIDENT 
                   ! IMAGE HEADER IS RESIDENT 
                   ! DO NOT SET IS_SHARED IN KFI ENTRY 
                   ! CURRENTLY PROCESSING GBL ISD CLUSTER 
                   ! SHARED MEMORY IDENT USED FOR GBL SEC 
                   ! NO PRIVATE COPY OF SECTION IN EXEC IMG 
                   ! P1 MERGED ACTIVATION WITH P0 ADDRESS 
    !  RANGE (INTERNAL FLAG ONLY)
                   ! SIGNAL ALTERNATE ENTRY TO SET VECTORS 
                   ! REQUIRE SHAREABLES BE /PROTECTED
                  LONG NOACT_bits   ! COMMENT ADDED BY SDL - NOACT_bits contains bits NOACT through fill_5
               end group IAC$R_IACDEF_BITS
         end variant
      end record IACDEF