annotate docs/manual/x36.html @ 508:10f62dc61a75

Fix bad usage of sprintf() Usage of sprintf() to append to a string in the form of sprintf(buf, "%s...", buf...) is undefined, regardless whether it worked on a lot of older systems. It was always a bad idea and it now breaks on current glibc and gcc development environments. The moral: if any of your code uses sprintf() in a way similar to the above, fix it. It may not fail in a benign way.
author William Astle <lost@l-w.ca>
date Sun, 10 May 2020 22:38:24 -0600
parents e95f07cbce4e
children
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1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN""http://www.w3.org/TR/html4/loose.dtd">
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2 <HTML
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3 ><HEAD
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4 ><TITLE
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5 >Motorola S-Record</TITLE
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6 ><META
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7 NAME="GENERATOR"
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8 CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK
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9 REL="HOME"
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10 TITLE="LW Tool Chain"
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11 HREF="index.html"><LINK
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12 REL="UP"
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13 TITLE="Output Formats"
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14 HREF="c21.html"><LINK
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15 REL="PREVIOUS"
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16 TITLE="ASCII Hexadecimal"
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17 HREF="x32.html"><LINK
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18 REL="NEXT"
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19 TITLE="Intel Hex"
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20 HREF="x41.html"></HEAD
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21 ><BODY
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22 CLASS="SECTION"
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23 BGCOLOR="#FFFFFF"
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24 TEXT="#000000"
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27 ALINK="#0000FF"
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28 ><DIV
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29 CLASS="NAVHEADER"
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30 ><TABLE
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31 SUMMARY="Header navigation table"
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32 WIDTH="100%"
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33 BORDER="0"
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34 CELLPADDING="0"
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35 CELLSPACING="0"
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36 ><TR
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37 ><TH
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38 COLSPAN="3"
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39 ALIGN="center"
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40 >LW Tool Chain</TH
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41 ></TR
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42 ><TR
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43 ><TD
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44 WIDTH="10%"
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45 ALIGN="left"
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46 VALIGN="bottom"
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47 ><A
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48 HREF="x32.html"
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49 ACCESSKEY="P"
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50 >Prev</A
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51 ></TD
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52 ><TD
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53 WIDTH="80%"
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54 ALIGN="center"
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55 VALIGN="bottom"
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56 >Chapter 2. Output Formats</TD
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57 ><TD
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58 WIDTH="10%"
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59 ALIGN="right"
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60 VALIGN="bottom"
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61 ><A
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62 HREF="x41.html"
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63 ACCESSKEY="N"
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64 >Next</A
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65 ></TD
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66 ></TR
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67 ></TABLE
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68 ><HR
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69 ALIGN="LEFT"
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70 WIDTH="100%"></DIV
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71 ><DIV
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72 CLASS="SECTION"
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73 ><H1
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74 CLASS="SECTION"
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75 ><A
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76 NAME="AEN36"
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77 >2.4. Motorola S-Record</A
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78 ></H1
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79 ><P
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80 >This ASCII format consists of a series of CR+LF terminated "records" of ASCII
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81 text. Each record has the following structure: a start-of-record character
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82 "S", an ASCII record type digit (0-9), a two-digit ASCII hex byte count, a
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83 four-digit ASCII hex address, an optional sequence of two-digit ASCII hex data
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84 values, and a two-digit ASCII hex checksum. The LW tool chain issues only S0,
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85 S1, S5 and S9 record types. S1 records are limited to maximum of 16 data bytes
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86 in length, and paragraph alignment of addresses is favored. The address
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87 sequence of the S-Records directly follows that of the source file; multiple
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88 ORG directives in the source code may result in out-of-sequence addresses in
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89 the S-Record output. </P
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90 ><P
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91 >Motorola S-Record format is a standard ASCII format accepted by most memory
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92 device programming equipment. It is particularly useful when the assembled
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93 code output is destined to reside within an EPROM or Flash memory device,
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94 for example.</P
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95 ><P
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96 >LWASM can output this format since version 4.10. LWLINK can output this format
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97 since version 4.11.</P
324
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98 ></DIV
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99 ><DIV
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100 CLASS="NAVFOOTER"
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101 ><HR
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102 ALIGN="LEFT"
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103 WIDTH="100%"><TABLE
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104 SUMMARY="Footer navigation table"
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105 WIDTH="100%"
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106 BORDER="0"
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107 CELLPADDING="0"
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108 CELLSPACING="0"
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109 ><TR
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110 ><TD
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111 WIDTH="33%"
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112 ALIGN="left"
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113 VALIGN="top"
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114 ><A
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115 HREF="x32.html"
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116 ACCESSKEY="P"
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117 >Prev</A
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118 ></TD
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119 ><TD
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120 WIDTH="34%"
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121 ALIGN="center"
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122 VALIGN="top"
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123 ><A
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124 HREF="index.html"
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125 ACCESSKEY="H"
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126 >Home</A
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127 ></TD
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128 ><TD
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129 WIDTH="33%"
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130 ALIGN="right"
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131 VALIGN="top"
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132 ><A
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133 HREF="x41.html"
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134 ACCESSKEY="N"
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135 >Next</A
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136 ></TD
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137 ></TR
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138 ><TR
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139 ><TD
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140 WIDTH="33%"
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141 ALIGN="left"
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142 VALIGN="top"
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143 >ASCII Hexadecimal</TD
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144 ><TD
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145 WIDTH="34%"
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146 ALIGN="center"
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147 VALIGN="top"
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148 ><A
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149 HREF="c21.html"
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150 ACCESSKEY="U"
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151 >Up</A
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152 ></TD
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153 ><TD
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154 WIDTH="33%"
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156 VALIGN="top"
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157 >Intel Hex</TD
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158 ></TR
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159 ></TABLE
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160 ></DIV
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161 ></BODY
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162 ></HTML
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163 >