How to add the contents of a file?

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srec_tektronix

srec_tektronix(5)						File Formats Manual						 srec_tektronix(5)

NAME

       srec_tektronix - Tektronix hexadecimal file format

DESCRIPTION

       The  Tektronix  hexadecimal  file  format is no longer very common.  It serves a similar purpose to the Motorola and Intel formats, usually
       used to transfer data into EPROM programmers.

   The Lines
       Most Tektronix hex files contain only Tektronix hex lines (see the next section), which always  start  with  a  slash  ("/[rq])	character.
       There are only two types of lines - data lines and a termination line.

   Data Lines
       Data lines have five fields: address, length, checksum 1, data and checksum 2.  The lines always start with a slash ("/[rq]) character.

						  +--+---------+--------+-----------+------+-----------+
						  |/ | Address | Length | Checksum1 | Data | Checksum2 |
						  +--+---------+--------+-----------+------+-----------+
       Address This is a 4 character (2 byte) address that specifies where the data in the record is to be loaded into memory.

       Data Length
	       The data length field is a 2 character (1 byte) field that specifies the number of character pairs (bytes) in the data field.  This
	       field never has a value of zero.

       Checksum 1
	       The checksum 1 field is a 2 character (1 byte) field.  Its value is the 8-bit sum of the six 4-bit values which make up the address
	       and length fields.

       Data    The data field contains character pairs (bytes); the number of character pairs (bytes) is indicated by the length field.

       Checksum 2
	       The checksum 2 field is a 2 character (1 byte) field.  Its value is the least significant byte of the sum of the all the 4-bit val-
	       ues of the data field.

   Termination Line
       Termination lines have three fields: address, zero and checksum.  The lines always start with a slash ("/[rq]) character.

							     +--+---------+------+----------+
							     |/ | Address | Zero | Checksum |
							     +--+---------+------+----------+
       Address This is a 4 character (2 byte) address that specifies where to begin execution.

       Zero    The data length field is a 2 character (1 byte) field of value zero.

       Checksum
	       The checksum 1 field is a 2 character (1 byte) field.  Its value is the 8-bit sum of the six 4-bit values which make up the address
	       and zero fields.

   Size Multiplier
       In general, binary data will expand in sized by approximately 2.4 times when represented with this format.

EXAMPLE

       Here is an example Tektronix hex file.  It contains the data "Hello, World[rq] to be loaded at address 0.
	      /00000D0D48656C6C6F2C20576F726C640A52
	      /00000000

COPYRIGHT

       srec_cat version 1.58
       Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Peter Miller

       The srec_cat program comes with ABSOLUTELY NO WARRANTY; for details use the 'srec_cat -VERSion License' command.  This is free software and
       you are welcome to redistribute it under certain conditions; for details use the 'srec_cat -VERSion License' command.

AUTHOR

       Peter Miller   E-Mail:	pmiller@opensource.org.au
       //*		 WWW:	http://miller.emu.id.au/pmiller/

Reference Manual						      SRecord							 srec_tektronix(5)

Shell Programming and Scripting