1srec_formatted_binary(5) File Formats Manual srec_formatted_binary(5)
2
3
4
6 srec_formatted_binary - Formatted Binary file format
7
9 This is the PDP‐11 paper tape format, described in the DEC‐11‐GGPC‐D
10 PDP‐11 "Paper Tape Software Programming Handbook" 1972.
11
12 The file starts with a character sequence which appears as an arrow
13 when punched on 8‐hole paper tape.
14 0x08, 0x1C, 0x2A, 0x49, 0x08, 0x00
15
16 Then follows a byte count, encoded big‐endian in the low 4 bits of the
17 next 4 bytes. The high bits should be zero.
18
19 Then follows a 0xFF byte.
20
21 The data follows, as many bytes as specified in the header.
22
23 The trailer consists of the following bytes:
24 0x00, 0x00,
25 and then a 2‐byte checksum (big‐endian).
26
27 The alternate header sequence
28 0x08, 0x1C, 0x3E, 0x6B, 0x08, 0x00
29 is followed by an 8‐nibble big‐endian byte count.
30
31 Size Multiplier
32 In general, binary data will expand in sized very little when repre‐
33 sented with this format.
34
36 Here is a hex dump of a formatted binary file containing the data
37 "Hello, World!".
38 0000: 08 1C 2A 49 08 00 00 00 ..*I....
39 0008: 00 0E FF 48 65 6C 6C 6F ...Hello
40 0010: 2C 20 57 6F 72 6C 64 21 , World!
41 0018: 0A 00 00 04 73 ....s
42
44 srec_cat version 1.64
45 Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
46 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 Peter Miller
47
48 The srec_cat program comes with ABSOLUTELY NO WARRANTY; for details use
49 the 'srec_cat -VERSion License' command. This is free software and you
50 are welcome to redistribute it under certain conditions; for details
51 use the 'srec_cat -VERSion License' command.
52
54 Scott Finneran E‐Mail: scottfinneran@yahoo.com.au
55 Peter Miller E‐Mail: pmiller@opensource.org.au
56
57
58
59Reference Manual SRecord srec_formatted_binary(5)