--********************************************************************************************************************
-- Created:  9-Mar-2021 22:28:25 by OpenVMS SDL EV3-3      
-- Source:  02-AUG-2007 11:42:18 $1$DGA8085:[LIB_ADA.LIS]HD1DEF.SDL;1 
--********************************************************************************************************************
with SYSTEM; use SYSTEM;
with STARLET; use STARLET;
with CONDITION_HANDLING; use CONDITION_HANDLING;
 
package HD1DEF is
 
--  module $HD1DEF
 
--+
-- HDR1 ANDSI MAGNETIC TAPE LABEL
-- THIS IS THE FIRST LABEL IN THE FILE LABEL HEADER SET.  IF IDENTIFIES THE FILE.
---
 
    HD1_S_HD1DEF		: constant := 80;
 
    type HD1_TYPE is
	record
	    HD1LID	: UNSIGNED_LONGWORD;				-- LABEL IDENTIFIER AND NUMBER 'HDR1' 
	    FILEID	: STRING(1 .. 17);				-- FILE IDENTIFIER 
	    FILESETID	: STRING(1 .. 6);				-- FILE SET IDENTIFIER 
	    FILESECNO	: STRING(1 .. 4);				-- FILE SECTION NUMBER 
	    FILESEQNO	: STRING(1 .. 4);				-- FILE SEQUENCE NUMBER 
	    GENNO	: STRING(1 .. 4);				-- FILE GENERATION NUMBER 
	    GENVER	: STRING(1 .. 2);				-- FILE GENERATION VERSION NUMBER 
	    CREATEDT	: STRING(1 .. 6);				-- CREATION DATE ( YYDDD) 
	    EXPIREDT	: STRING(1 .. 6);				-- EXPIRATION DATE 
	    FILACCESS	: UNSIGNED_BYTE;				-- FILE ACCESS 
	    BLOCKCNT	: STRING(1 .. 6);				-- BLOCK COUNT 
	    SYSCODE	: STRING(1 .. 13);				-- SYSTEM CODE 
	    FILLER_1	: STRING(1 .. 3);				-- SPACES 
	    HIBLOCKCNT	: STRING(1 .. 4);				--  HIGH BLOCK COUNT
	end record;
 
	    for HD1_TYPE use 
		record
		    HD1LID	at 0 range 0 .. 31;
		    FILEID	at 4 range 0 .. 135;
		    FILESETID	at 21 range 0 .. 47;
		    FILESECNO	at 27 range 0 .. 31;
		    FILESEQNO	at 31 range 0 .. 31;
		    GENNO	at 35 range 0 .. 31;
		    GENVER	at 39 range 0 .. 15;
		    CREATEDT	at 41 range 0 .. 47;
		    EXPIREDT	at 47 range 0 .. 47;
		    FILACCESS	at 53 range 0 .. 7;
		    BLOCKCNT	at 54 range 0 .. 47;
		    SYSCODE	at 60 range 0 .. 103;
		    FILLER_1	at 73 range 0 .. 23;
		    HIBLOCKCNT	at 76 range 0 .. 31;
		end record;
	    for HD1_TYPE'SIZE use 640;
 
    HD1_TYPE_INIT : constant HD1_TYPE := 
	    (HD1LID	=> 0,
	    FILEID	=> (others => ASCII.NUL),
	    FILESETID	=> (others => ASCII.NUL),
	    FILESECNO	=> (others => ASCII.NUL),
	    FILESEQNO	=> (others => ASCII.NUL),
	    GENNO	=> (others => ASCII.NUL),
	    GENVER	=> (others => ASCII.NUL),
	    CREATEDT	=> (others => ASCII.NUL),
	    EXPIREDT	=> (others => ASCII.NUL),
	    FILACCESS	=> 0,
	    BLOCKCNT	=> (others => ASCII.NUL),
	    SYSCODE	=> (others => ASCII.NUL),
	    FILLER_1	=> (others => ASCII.NUL),
	    HIBLOCKCNT	=> (others => ASCII.NUL));
 
end HD1DEF;