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Update manual in preparation for release
author William Astle <lost@l-w.ca>
date Wed, 12 Dec 2018 20:00:59 -0700
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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 >Cycle Counts</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="c62.html"><LINK
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15 REL="PREVIOUS"
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16 TITLE="Convenience Instructions"
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17 HREF="x805.html"><LINK
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18 REL="NEXT"
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19 TITLE="LWLINK"
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20 HREF="c816.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="x805.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="c816.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="AEN810"
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77 >3.12. Cycle Counts</A
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78 ></H1
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79 ><P
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80 >&#13;The following options for displaying cycle counts in listings are provided.
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81 These options are enabled from pragmas on the command line or in the
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82 assembly files themselves. For compatibility with other assemblers you can
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83 use the "OPT" keyword in addition to "PRAGMA."</P
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84 ><PRE
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85 CLASS="PROGRAMLISTING"
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86 >opt c - enable cycle counts: [8]
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87 opt cd - enable detailed cycle counts breaking down addressing modes: [5+3]
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88 opt ct - show a running subtotal of cycles
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89 opt cc - clear the running subtotal</PRE
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90 ><P
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91 >&#13;The assembler supports both 6809 as well as native-mode 6309 cycle counts.
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92 In 6309 mode the counts are displayed in parenthesis instead of brackets.
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93 In addition, some operations have a variable cycle count. In this case a
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94 "+?" is displayed to alert the reader. Sample output is shown below.</P
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95 ><PRE
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96 CLASS="PROGRAMLISTING"
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97 >266f 7d25e2 (window.asm):00313 [7] 7 move tst putflg
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98 2672 2602 (window.asm):00314 [5] 12 bne a@
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99 2674 1e13 (window.asm):00315 [8] 20 exg x,u
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100 2676 0dd6 (window.asm):00316 [6] 26 a@ tst is6309
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101 2678 2618 (window.asm):00317 [5] 31 bne exit@
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102 (window.asm):00318 opt 6309
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103 267a 10860085 (window.asm):00319 (4) 35 b@ ldw #133
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104 267e 113813 (window.asm):00320 (6+?) 41 tfm x+,u+
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105 2681 30881b (window.asm):00321 (4+1) 46 leax 27,x
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106 2684 33c81b (window.asm):00322 (4+1) 51 leau 27,u
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107 2687 4a (window.asm):00323 (1) 52 deca
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108 2688 26f0 (window.asm):00324 (5) 57 bne b@</PRE
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109 ></DIV
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110 ><DIV
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111 CLASS="NAVFOOTER"
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112 ><HR
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113 ALIGN="LEFT"
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114 WIDTH="100%"><TABLE
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115 SUMMARY="Footer navigation table"
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116 WIDTH="100%"
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117 BORDER="0"
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118 CELLPADDING="0"
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119 CELLSPACING="0"
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120 ><TR
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121 ><TD
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122 WIDTH="33%"
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123 ALIGN="left"
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124 VALIGN="top"
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125 ><A
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126 HREF="x805.html"
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127 ACCESSKEY="P"
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128 >Prev</A
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129 ></TD
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130 ><TD
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131 WIDTH="34%"
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132 ALIGN="center"
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133 VALIGN="top"
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134 ><A
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135 HREF="index.html"
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136 ACCESSKEY="H"
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137 >Home</A
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138 ></TD
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139 ><TD
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140 WIDTH="33%"
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141 ALIGN="right"
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142 VALIGN="top"
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143 ><A
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144 HREF="c816.html"
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145 ACCESSKEY="N"
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146 >Next</A
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147 ></TD
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148 ></TR
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149 ><TR
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150 ><TD
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151 WIDTH="33%"
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152 ALIGN="left"
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153 VALIGN="top"
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154 >Convenience Instructions</TD
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155 ><TD
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156 WIDTH="34%"
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157 ALIGN="center"
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158 VALIGN="top"
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159 ><A
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160 HREF="c62.html"
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161 ACCESSKEY="U"
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162 >Up</A
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163 ></TD
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164 ><TD
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165 WIDTH="33%"
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166 ALIGN="right"
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167 VALIGN="top"
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168 >LWLINK</TD
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169 ></TR
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170 ></TABLE
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171 ></DIV
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172 ></BODY
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173 ></HTML
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174 >