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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 >Dialects</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="LWASM"
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14 HREF="c43.html"><LINK
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15 REL="PREVIOUS"
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16 TITLE="LWASM"
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17 HREF="c43.html"><LINK
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18 REL="NEXT"
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19 TITLE="Source Format"
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20 HREF="x168.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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25 LINK="#0000FF"
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26 VLINK="#840084"
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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="c43.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 3. LWASM</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="x168.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="AEN161"
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77 >3.2. Dialects</A
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78 ></H1
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79 ><P
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80 >LWASM supports all documented MC6809 instructions as defined by Motorola.
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81 It also supports all known HD6309 instructions. While there is general
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82 agreement on the pneumonics for most of the 6309 instructions, there is some
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83 variance with the block transfer instructions. TFM for all four variations
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84 seems to have gained the most traction and, thus, this is the form that is
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85 recommended for LWASM. However, it also supports COPY, COPY-, IMP, EXP,
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86 TFRP, TFRM, TFRS, and TFRR. It further adds COPY+ as a synomym for COPY,
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87 IMPLODE for IMP, and EXPAND for EXP.</P
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88 ><P
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89 >By default, LWASM accepts 6309 instructions. However, using the
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90 <CODE
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91 CLASS="PARAMETER"
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92 >--6809</CODE
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93 > parameter, you can cause it to throw errors on
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94 6309 instructions instead.</P
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95 ><P
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96 >The standard addressing mode specifiers are supported. These are the
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97 hash sign ("#") for immediate mode, the less than sign ("<") for forced
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98 eight bit modes, and the greater than sign (">") for forced sixteen bit modes.</P
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99 ><P
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100 >Additionally, LWASM supports using the asterisk ("*") to indicate
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101 base page addressing. This should not be used in hand-written source code,
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102 however, because it is non-standard and may or may not be present in future
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103 versions of LWASM.</P
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104 ></DIV
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105 ><DIV
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106 CLASS="NAVFOOTER"
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107 ><HR
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108 ALIGN="LEFT"
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109 WIDTH="100%"><TABLE
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110 SUMMARY="Footer navigation table"
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111 WIDTH="100%"
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112 BORDER="0"
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113 CELLPADDING="0"
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114 CELLSPACING="0"
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115 ><TR
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116 ><TD
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117 WIDTH="33%"
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118 ALIGN="left"
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119 VALIGN="top"
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120 ><A
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121 HREF="c43.html"
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122 ACCESSKEY="P"
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123 >Prev</A
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124 ></TD
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125 ><TD
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126 WIDTH="34%"
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127 ALIGN="center"
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128 VALIGN="top"
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129 ><A
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130 HREF="index.html"
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131 ACCESSKEY="H"
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132 >Home</A
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133 ></TD
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134 ><TD
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135 WIDTH="33%"
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136 ALIGN="right"
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137 VALIGN="top"
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138 ><A
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139 HREF="x168.html"
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140 ACCESSKEY="N"
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141 >Next</A
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142 ></TD
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143 ></TR
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144 ><TR
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145 ><TD
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146 WIDTH="33%"
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147 ALIGN="left"
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148 VALIGN="top"
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149 >LWASM</TD
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150 ><TD
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151 WIDTH="34%"
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152 ALIGN="center"
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153 VALIGN="top"
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154 ><A
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155 HREF="c43.html"
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156 ACCESSKEY="U"
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157 >Up</A
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158 ></TD
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159 ><TD
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160 WIDTH="33%"
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161 ALIGN="right"
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162 VALIGN="top"
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163 >Source Format</TD
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164 ></TR
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165 ></TABLE
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166 ></DIV
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167 ></BODY
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168 ></HTML
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169 > |
