chap2-4.htm.primary

加密与解密,软件加密保护技术与解决方案,看雪文档!

        <p class=MsoNormal><span style='font-size:9.0pt;mso-bidi-font-size:10.0pt;
  font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
  "Times New Roman"'>将</span><span lang=EN-US style='font-size:9.0pt;
  mso-bidi-font-size:10.0pt'>st(0)</span><span style='font-size:9.0pt;
  mso-bidi-font-size:10.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";
  mso-hansi-font-family:"Times New Roman"'>以整数保存到</span><span lang=EN-US
  style='font-size:9.0pt;mso-bidi-font-size:10.0pt'>dest<o:p></o:p></span></p>
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      <td width=283 style='width:211.95pt;border:none;border-bottom:solid windowtext .5pt;
  mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
  padding:0cm 5.4pt 0cm 5.4pt'> 
        <p class=MsoNormal><span lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:
  10.0pt'>dest </span><span lang=EN-US>&lt;-</span><span lang=EN-US
  style='font-size:9.0pt;mso-bidi-font-size:10.0pt'> st(0) (mem32/mem64) <o:p></o:p></span></p>
      </td>
    </tr>
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      <td width=119 style='width:89.4pt;border-top:none;border-left:none;
  border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt;
  mso-border-top-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt'> 
        <p class=MsoNormal><span lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:
  10.0pt'>FISTP dest<o:p></o:p></span></p>
      </td>
      <td width=168 style='width:126.0pt;border-top:none;border-left:none;
  border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt;
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  padding:0cm 5.4pt 0cm 5.4pt'> 
        <p class=MsoNormal> 
          <![if !supportEmptyParas]>
          &nbsp; 
          <![endif]>
          <span
  lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>
      </td>
      <td width=283 style='width:211.95pt;border:none;border-bottom:solid windowtext .5pt;
  mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
  padding:0cm 5.4pt 0cm 5.4pt'> 
        <p class=MsoNormal><span lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:
  10.0pt'>dest </span><span lang=EN-US>&lt;-</span><span lang=EN-US
  style='font-size:9.0pt;mso-bidi-font-size:10.0pt'> st(0) (mem16/mem32/mem64)</span><span
  style='font-size:9.0pt;mso-bidi-font-size:10.0pt;font-family:宋体;mso-ascii-font-family:
  "Times New Roman";mso-hansi-font-family:"Times New Roman"'>；然后再执行一次出栈操作</span><span
  lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>
      </td>
    </tr>
    <tr> 
      <td width=119 style='width:89.4pt;border-top:none;border-left:none;
  border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt;
  mso-border-top-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt'> 
        <p class=MsoNormal><span lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:
  10.0pt'>FBST dest<o:p></o:p></span></p>
      </td>
      <td width=168 style='width:126.0pt;border-top:none;border-left:none;
  border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt;
  mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
  padding:0cm 5.4pt 0cm 5.4pt'> 
        <p class=MsoNormal><span style='font-size:9.0pt;mso-bidi-font-size:10.0pt;
  font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
  "Times New Roman"'>将</span><span lang=EN-US style='font-size:9.0pt;
  mso-bidi-font-size:10.0pt'>st(0)</span><span style='font-size:9.0pt;
  mso-bidi-font-size:10.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";
  mso-hansi-font-family:"Times New Roman"'>以</span><span lang=EN-US
  style='font-size:9.0pt;mso-bidi-font-size:10.0pt'>BCD</span><span
  style='font-size:9.0pt;mso-bidi-font-size:10.0pt;font-family:宋体;mso-ascii-font-family:
  "Times New Roman";mso-hansi-font-family:"Times New Roman"'>保存到</span><span
  lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:10.0pt'>dest<o:p></o:p></span></p>
      </td>
      <td width=283 style='width:211.95pt;border:none;border-bottom:solid windowtext .5pt;
  mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
  padding:0cm 5.4pt 0cm 5.4pt'> 
        <p class=MsoNormal><span lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:
  10.0pt'>dest </span><span lang=EN-US>&lt;-</span><span lang=EN-US
  style='font-size:9.0pt;mso-bidi-font-size:10.0pt'> st(0) (mem80) <o:p></o:p></span></p>
      </td>
    </tr>
    <tr> 
      <td width=119 style='width:89.4pt;border-top:none;border-left:none;
  border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt;
  mso-border-top-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt'> 
        <p class=MsoNormal><span lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:
  10.0pt'>FBSTP dest<span style="mso-spacerun: yes">&nbsp; </span><o:p></o:p></span></p>
      </td>
      <td width=168 style='width:126.0pt;border-top:none;border-left:none;
  border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt;
  mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
  padding:0cm 5.4pt 0cm 5.4pt'> 
        <p class=MsoNormal> 
          <![if !supportEmptyParas]>
          &nbsp; 
          <![endif]>
          <span
  lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>
      </td>
      <td width=283 style='width:211.95pt;border:none;border-bottom:solid windowtext .5pt;
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  padding:0cm 5.4pt 0cm 5.4pt'> 
        <p class=MsoNormal><span lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:
  10.0pt'>dest</span><span lang=EN-US>&lt;-</span><span lang=EN-US
  style='font-size:9.0pt;mso-bidi-font-size:10.0pt'> st(0) (mem80)</span><span
  style='font-size:9.0pt;mso-bidi-font-size:10.0pt;font-family:宋体;mso-ascii-font-family:
  "Times New Roman";mso-hansi-font-family:"Times New Roman"'>；然后再执行一次出栈操作</span><span
  lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>
      </td>
    </tr>
  </table>
</blockquote>
<p><span lang=EN-US>2</span><span style='font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>．比较指令</span><span
lang=EN-US> </span></p>
<blockquote> 
  <table border=1 cellspacing=0 cellpadding=0 style='border-collapse:collapse;
 border:none;mso-border-top-alt:solid windowtext .5pt;mso-border-bottom-alt:
 solid windowtext .5pt;mso-padding-alt:0cm 5.4pt 0cm 5.4pt'>
    <thead> 
    <tr> 
      <td width=119 valign=top style='width:89.4pt;border:solid windowtext .5pt;
   border-left:none;background:#E5E5E5;mso-shading:white;mso-pattern:gray-10 auto;
   padding:0cm 5.4pt 0cm 5.4pt'> 
        <p class=MsoNormal align=center style='text-align:center'><span
   style='font-size:9.0pt;mso-bidi-font-size:10.0pt;font-family:宋体;mso-ascii-font-family:
   "Times New Roman";mso-hansi-font-family:"Times New Roman"'>指令格式</span><span
   lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>
      </td>
      <td width=168 valign=top style='width:126.0pt;border:solid windowtext .5pt;
   border-left:none;mso-border-left-alt:solid windowtext .5pt;background:#E5E5E5;
   mso-shading:white;mso-pattern:gray-10 auto;padding:0cm 5.4pt 0cm 5.4pt'> 
        <p class=MsoNormal align=center style='text-align:center'><span
   style='font-size:9.0pt;mso-bidi-font-size:10.0pt;font-family:宋体;mso-ascii-font-family:
   "Times New Roman";mso-hansi-font-family:"Times New Roman"'>指令含义</span><span
   lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>
      </td>
      <td width=283 valign=top style='width:211.95pt;border-top:solid windowtext .5pt;
   border-left:none;border-bottom:solid windowtext .5pt;border-right:none;
   mso-border-left-alt:solid windowtext .5pt;background:#E5E5E5;mso-shading:
   white;mso-pattern:gray-10 auto;padding:0cm 5.4pt 0cm 5.4pt'> 
        <p class=MsoNormal align=center style='text-align:center'><span
   style='font-size:9.0pt;mso-bidi-font-size:10.0pt;font-family:宋体;mso-ascii-font-family:
   "Times New Roman";mso-hansi-font-family:"Times New Roman"'>执行的操作</span><span
   lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>
      </td>
    </tr>
    </thead> 
    <tr> 
      <td width=119 style='width:89.4pt;border-top:none;border-left:none;
  border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt;
  mso-border-top-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt'> 
        <p class=MsoNormal><span lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:
  10.0pt'>FCOM<o:p></o:p></span></p>
      </td>
      <td width=168 style='width:126.0pt;border-top:none;border-left:none;
  border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt;
  mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
  padding:0cm 5.4pt 0cm 5.4pt'> 
        <p class=MsoNormal><span style='font-size:9.0pt;mso-bidi-font-size:10.0pt;
  font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
  "Times New Roman"'>实数比较</span><span lang=EN-US style='font-size:9.0pt;
  mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>
      </td>
      <td width=283 style='width:211.95pt;border:none;border-bottom:solid windowtext .5pt;
  mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
  padding:0cm 5.4pt 0cm 5.4pt'> 
        <p class=MsoNormal><span style='font-size:9.0pt;mso-bidi-font-size:10.0pt;
  font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
  "Times New Roman"'>将标志位设置为</span><span lang=EN-US style='font-size:9.0pt;
  mso-bidi-font-size:10.0pt'> st(0) - st(1) </span><span style='font-size:9.0pt;
  mso-bidi-font-size:10.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";
  mso-hansi-font-family:"Times New Roman"'>的结果标志位</span><span lang=EN-US
  style='font-size:9.0pt;mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>
      </td>
    </tr>
    <tr> 
      <td width=119 style='width:89.4pt;border-top:none;border-left:none;
  border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt;
  mso-border-top-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt'> 
        <p class=MsoNormal><span lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:
  10.0pt'>FCOM op<o:p></o:p></span></p>
      </td>
      <td width=168 style='width:126.0pt;border-top:none;border-left:none;
  border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt;
  mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
  padding:0cm 5.4pt 0cm 5.4pt'> 
        <p class=MsoNormal><span style='font-size:9.0pt;mso-bidi-font-size:10.0pt;
  font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
  "Times New Roman"'>实数比较</span><span lang=EN-US style='font-size:9.0pt;
  mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>
      </td>
      <td width=283 style='width:211.95pt;border:none;border-bottom:solid windowtext .5pt;
  mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
  padding:0cm 5.4pt 0cm 5.4pt'> 
        <p class=MsoNormal><span style='font-size:9.0pt;mso-bidi-font-size:10.0pt;
  font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
  "Times New Roman"'>将标志位设置为</span><span lang=EN-US style='font-size:9.0pt;
  mso-bidi-font-size:10.0pt'> st(0) - op (mem32/mem64)</span><span
  style='font-size:9.0pt;mso-bidi-font-size:10.0pt;font-family:宋体;mso-ascii-font-family:
  "Times New Roman";mso-hansi-font-family:"Times New Roman"'>的结果标志位</span><span
  style='font-size:9.0pt;mso-bidi-font-size:10.0pt'> <span lang=EN-US><o:p></o:p></span></span></p>
      </td>
    </tr>
    <tr> 
      <td width=570 colspan=3 valign=top style='width:427.35pt;border:none;
  border-bottom:solid windowtext .5pt;mso-border-top-alt:solid windowtext .5pt;
  padding:0cm 5.4pt 0cm 5.4pt'> 
        <p class=MsoNormal> 
          <![if !supportEmptyParas]>
          &nbsp; 
          <![endif]>
          <span
  lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>
      </td>
    </tr>
    <tr> 
      <td width=119 style='width:89.4pt;border-top:none;border-left:none;
  border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt;
  mso-border-top-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt'> 
        <p class=MsoNormal><span lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:
  10.0pt'>FICOM op<o:p></o:p></span></p>