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comparison docs/manual/x197.html @ 324:b30091890d62
Add documentation of the new hex output formats.
Thanks to text contributed by Tom LeMense, the manual now includes
documentation of the hex formats he contributed. This also includes some
updated text on the ORG directive. Only minor editorial changes vary the
text from Tom's original.
author | William Astle <lost@l-w.ca> |
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date | Tue, 04 Mar 2014 23:10:13 -0700 |
parents | |
children | 507f442dc71e |
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1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN""http://www.w3.org/TR/html4/loose.dtd"> | |
2 <HTML | |
3 ><HEAD | |
4 ><TITLE | |
5 >Source Format</TITLE | |
6 ><META | |
7 NAME="GENERATOR" | |
8 CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK | |
9 REL="HOME" | |
10 TITLE="LW Tool Chain" | |
11 HREF="index.html"><LINK | |
12 REL="UP" | |
13 TITLE="LWASM" | |
14 HREF="c62.html"><LINK | |
15 REL="PREVIOUS" | |
16 TITLE="Dialects" | |
17 HREF="x190.html"><LINK | |
18 REL="NEXT" | |
19 TITLE="Symbols" | |
20 HREF="x207.html"></HEAD | |
21 ><BODY | |
22 CLASS="SECTION" | |
23 BGCOLOR="#FFFFFF" | |
24 TEXT="#000000" | |
25 LINK="#0000FF" | |
26 VLINK="#840084" | |
27 ALINK="#0000FF" | |
28 ><DIV | |
29 CLASS="NAVHEADER" | |
30 ><TABLE | |
31 SUMMARY="Header navigation table" | |
32 WIDTH="100%" | |
33 BORDER="0" | |
34 CELLPADDING="0" | |
35 CELLSPACING="0" | |
36 ><TR | |
37 ><TH | |
38 COLSPAN="3" | |
39 ALIGN="center" | |
40 >LW Tool Chain</TH | |
41 ></TR | |
42 ><TR | |
43 ><TD | |
44 WIDTH="10%" | |
45 ALIGN="left" | |
46 VALIGN="bottom" | |
47 ><A | |
48 HREF="x190.html" | |
49 ACCESSKEY="P" | |
50 >Prev</A | |
51 ></TD | |
52 ><TD | |
53 WIDTH="80%" | |
54 ALIGN="center" | |
55 VALIGN="bottom" | |
56 >Chapter 3. LWASM</TD | |
57 ><TD | |
58 WIDTH="10%" | |
59 ALIGN="right" | |
60 VALIGN="bottom" | |
61 ><A | |
62 HREF="x207.html" | |
63 ACCESSKEY="N" | |
64 >Next</A | |
65 ></TD | |
66 ></TR | |
67 ></TABLE | |
68 ><HR | |
69 ALIGN="LEFT" | |
70 WIDTH="100%"></DIV | |
71 ><DIV | |
72 CLASS="SECTION" | |
73 ><H1 | |
74 CLASS="SECTION" | |
75 ><A | |
76 NAME="AEN197" | |
77 >3.3. Source Format</A | |
78 ></H1 | |
79 ><P | |
80 >LWASM accepts plain text files in a relatively free form. It can handle | |
81 lines terminated with CR, LF, CRLF, or LFCR which means it should be able | |
82 to assemble files on any platform on which it compiles.</P | |
83 ><P | |
84 >Each line may start with a symbol. If a symbol is present, there must not | |
85 be any whitespace preceding it. It is legal for a line to contain nothing | |
86 but a symbol.</P | |
87 ><P | |
88 >The op code is separated from the symbol by whitespace. If there is | |
89 no symbol, there must be at least one white space character preceding it. | |
90 If applicable, the operand follows separated by whitespace. Following the | |
91 opcode and operand is an optional comment.</P | |
92 ><P | |
93 > It is important to note that operands cannot contain any whitespace | |
94 except in the case of delimited strings. This is because the first | |
95 whitespace character will be interpreted as the separator between the | |
96 operand column and the comment. This behaviour is required for approximate | |
97 source compatibility with other 6x09 assemblers. </P | |
98 ><P | |
99 >A comment can also be introduced with a * or a ;. The comment character is | |
100 optional for end of statement comments. However, if a symbol is the only | |
101 thing present on the line other than the comment, the comment character is | |
102 mandatory to prevent the assembler from interpreting the comment as an opcode.</P | |
103 ><P | |
104 >For compatibility with the output generated by some C preprocessors, LWASM | |
105 will also ignore lines that begin with a #. This should not be used as a general | |
106 comment character, however.</P | |
107 ><P | |
108 >The opcode is not treated case sensitively. Neither are register names in | |
109 the operand fields. Symbols, however, are case sensitive.</P | |
110 ><P | |
111 > As of version 2.6, LWASM supports files with line numbers. If line | |
112 numbers are present, the line must start with a digit. The line number | |
113 itself must consist only of digits. The line number must then be followed | |
114 by either the end of the line or exactly one white space character. After | |
115 that white space character, the lines are interpreted exactly as above. </P | |
116 ></DIV | |
117 ><DIV | |
118 CLASS="NAVFOOTER" | |
119 ><HR | |
120 ALIGN="LEFT" | |
121 WIDTH="100%"><TABLE | |
122 SUMMARY="Footer navigation table" | |
123 WIDTH="100%" | |
124 BORDER="0" | |
125 CELLPADDING="0" | |
126 CELLSPACING="0" | |
127 ><TR | |
128 ><TD | |
129 WIDTH="33%" | |
130 ALIGN="left" | |
131 VALIGN="top" | |
132 ><A | |
133 HREF="x190.html" | |
134 ACCESSKEY="P" | |
135 >Prev</A | |
136 ></TD | |
137 ><TD | |
138 WIDTH="34%" | |
139 ALIGN="center" | |
140 VALIGN="top" | |
141 ><A | |
142 HREF="index.html" | |
143 ACCESSKEY="H" | |
144 >Home</A | |
145 ></TD | |
146 ><TD | |
147 WIDTH="33%" | |
148 ALIGN="right" | |
149 VALIGN="top" | |
150 ><A | |
151 HREF="x207.html" | |
152 ACCESSKEY="N" | |
153 >Next</A | |
154 ></TD | |
155 ></TR | |
156 ><TR | |
157 ><TD | |
158 WIDTH="33%" | |
159 ALIGN="left" | |
160 VALIGN="top" | |
161 >Dialects</TD | |
162 ><TD | |
163 WIDTH="34%" | |
164 ALIGN="center" | |
165 VALIGN="top" | |
166 ><A | |
167 HREF="c62.html" | |
168 ACCESSKEY="U" | |
169 >Up</A | |
170 ></TD | |
171 ><TD | |
172 WIDTH="33%" | |
173 ALIGN="right" | |
174 VALIGN="top" | |
175 >Symbols</TD | |
176 ></TR | |
177 ></TABLE | |
178 ></DIV | |
179 ></BODY | |
180 ></HTML | |
181 > |