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Preparing for release
author lost
date Fri, 30 Jan 2009 04:32:55 +0000
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152:6bd4755d224f 153:ffef3ea07399
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 >Dialects</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
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40 >LW Tool Chain</TH
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44 WIDTH="10%"
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49 ACCESSKEY="P"
50 >Prev</A
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56 >Chapter 3. LWASM</TD
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58 WIDTH="10%"
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63 ACCESSKEY="N"
64 >Next</A
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71 ><DIV
72 CLASS="SECTION"
73 ><H1
74 CLASS="SECTION"
75 ><A
76 NAME="AEN121"
77 >3.2. Dialects</A
78 ></H1
79 ><P
80 >LWASM supports all documented MC6809 instructions as defined by Motorola.
81 It also supports all known HD6309 instructions. There is some variation,
82 however, in the pneumonics used for the block transfer instructions. LWASM
83 uses TFM for all four of them as do several other assemblers. Others, such
84 as CCASM, use four separate opcodes for it (compare: copy+, copy-, implode,
85 and explode). There are advantages to both methods. However, it seems like
86 TFM has the most traction and thus, this is what LWASM supports. Support
87 for such variations may be added in the future.</P
88 ><P
89 >The standard addressing mode specifiers are supported. These are the
90 hash sign ("#") for immediate mode, the less than sign ("&lt;") for forced
91 eight bit modes, and the greater than sign ("&gt;") for forced sixteen bit modes.</P
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