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<title>Untitled Document</title>
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<link rel="stylesheet" href="../../../../../css/text.css" type="text/css">
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<body bgcolor="#FFFFFF" text="#000000">
<center><span class="section">8位机基本指令执行流程表</span></center><br>
<table width="100%" border="0" cellspacing="1" cellpadding="0" bgcolor="#996600">
<tr bgcolor="#FFFFFF">
<td class="section">
<div align="center">节拍</div>
</td>
<td class="section">
<div align="center">指令</div>
</td>
<td class="section">
<div align="center">编码</div>
</td>
<td class="section">
<div align="center">/MIO</div>
</td>
<td class="section">
<div align="center">REQ</div>
</td>
<td class="section">
<div align="center">/WE</div>
</td>
<td class="section">
<div align="center">A</div>
</td>
<td class="section">
<div align="center">B</div>
</td>
<td class="section">
<div align="center">SCI</div>
</td>
<td class="section">
<div align="center">SSH</div>
</td>
<td class="section">
<div align="center">I8-6</div>
</td>
<td class="section">
<div align="center">I5-3</div>
</td>
<td class="section">
<div align="center">I2-0</div>
</td>
<td class="section">
<div align="center">SST</div>
</td>
<td class="section">
<div align="center">DC1</div>
</td>
<td class="section">
<div align="center">DC2</div>
</td>
<td class="section">
<div align="center">操作功能说明</div>
</td>
</tr>
<tr bgcolor="#FFFFFF">
<td class="rtext">
<div align="center">1100</div>
</td>
<td class="rtext"> </td>
<td class="rtext"> </td>
<td class="rtext">
<div align="center">1</div>
</td>
<td class="rtext">
<div align="center">*</div>
</td>
<td class="rtext">
<div align="center">*</div>
</td>
<td class="rtext">
<div align="center">0101</div>
</td>
<td class="rtext">
<div align="center">0101</div>
</td>
<td class="rtext">
<div align="center">01</div>
</td>
<td class="rtext">
<div align="center">00</div>
</td>
<td class="rtext">
<div align="center">011</div>
</td>
<td class="rtext">
<div align="center">001</div>
</td>
<td class="rtext">
<div align="center">001</div>
</td>
<td class="rtext">
<div align="center">000</div>
</td>
<td class="rtext">
<div align="center">000</div>
</td>
<td class="rtext">
<div align="center">0111</div>
</td>
<td class="rtext">0->R5(PCH),DI#=0</td>
</tr>
<tr bgcolor="#FFFFFF">
<td class="rtext">
<div align="center">1000</div>
</td>
<td class="rtext"> </td>
<td class="rtext"> </td>
<td class="rtext">
<div align="center">1</div>
</td>
<td class="rtext">
<div align="center">*</div>
</td>
<td class="rtext">
<div align="center">*</div>
</td>
<td class="rtext">
<div align="center">0100</div>
</td>
<td class="rtext">
<div align="center">0100</div>
</td>
<td class="rtext">
<div align="center">01</div>
</td>
<td class="rtext">
<div align="center">00</div>
</td>
<td class="rtext">
<div align="center">011</div>
</td>
<td class="rtext">
<div align="center">001</div>
</td>
<td class="rtext">
<div align="center">001</div>
</td>
<td class="rtext">
<div align="center">000</div>
</td>
<td class="rtext">
<div align="center">000</div>
</td>
<td class="rtext">
<div align="center">0000</div>
</td>
<td class="rtext">0->R4(PCL)</td>
</tr>
<tr bgcolor="#FFFFFF">
<td class="rtext">
<div align="center">0000</div>
</td>
<td class="rtext"> </td>
<td class="rtext"> </td>
<td class="rtext">
<div align="center">1</div>
</td>
<td class="rtext">
<div align="center">*</div>
</td>
<td class="rtext">
<div align="center">*</div>
</td>
<td class="rtext">
<div align="center">0100</div>
</td>
<td class="rtext">
<div align="center">0100</div>
</td>
<td class="rtext">
<div align="center">01</div>
</td>
<td class="rtext">
<div align="center">00</div>
</td>
<td class="rtext">
<div align="center">010</div>
</td>
<td class="rtext">
<div align="center">000</div>
</td>
<td class="rtext">
<div align="center">011</div>
</td>
<td class="rtext">
<div align="center">000</div>
</td>
<td class="rtext">
<div align="center">000</div>
</td>
<td class="rtext">
<div align="center">0010</div>
</td>
<td class="rtext">R4->ARL;R4+1->R4,C0</td>
</tr>
<tr bgcolor="#FFFFFF">
<td class="rtext">
<div align="center">0010</div>
</td>
<td class="rtext"> </td>
<td class="rtext"> </td>
<td class="rtext">
<div align="center">1</div>
</td>
<td class="rtext">
<div align="center">*</div>
</td>
<td class="rtext">
<div align="center">*</div>
</td>
<td class="rtext">
<div align="center">0101</div>
</td>
<td class="rtext">
<div align="center">0101</div>
</td>
<td class="rtext">
<div align="center">11</div>
</td>
<td class="rtext">
<div align="center">00</div>
</td>
<td class="rtext">
<div align="center">010</div>
</td>
<td class="rtext">
<div align="center">000</div>
</td>
<td class="rtext">
<div align="center">011</div>
</td>
<td class="rtext">
<div align="center">000</div>
</td>
<td class="rtext">
<div align="center">000</div>
</td>
<td class="rtext">
<div align="center">1011</div>
</td>
<td class="rtext">R5->ARH;R5+C0->R5</td>
</tr>
<tr bgcolor="#FFFFFF">
<td class="rtext">
<div align="center">0110</div>
</td>
<td class="rtext"> </td>
<td class="rtext"> </td>
<td class="rtext">
<div align="center">0</div>
</td>
<td class="rtext">
<div align="center">0</div>
</td>
<td class="rtext">
<div align="center">1</div>
</td>
<td class="rtext">
<div align="center">*</div>
</td>
<td class="rtext">
<div align="center">*</div>
</td>
<td class="rtext">
<div align="center">*</div>
</td>
<td class="rtext">
<div align="center">*</div>
</td>
<td class="rtext">
<div align="center">001</div>
</td>
<td class="rtext">
<div align="center">*</div>
</td>
<td class="rtext">
<div align="center">*</div>
</td>
<td class="rtext">
<div align="center">*</div>
</td>
<td class="rtext">
<div align="center">000</div>
</td>
<td class="rtext">
<div align="center">0001</div>
</td>
<td class="rtext">MEM->IR;</td>
</tr>
<tr bgcolor="#FFFFFF">
<td class="rtext">
<div align="center">0100</div>
</td>
<td class="rtext">ADD</td>
<td class="rtext">0000 DRSR</td>
<td class="rtext">
<div align="center">1</div>
</td>
<td class="rtext">
<div align="center">*</div>
</td>
<td class="rtext">
<div align="center">*</div>
</td>
<td class="rtext">
<div align="center">00SR</div>
</td>
<td class="rtext">
<div align="center">00DR</div>
</td>
<td class="rtext">
<div align="center">00</div>
</td>
<td class="rtext">
<div align="center">00</div>
</td>
<td class="rtext">
<div align="center">011</div>
</td>
<td class="rtext">
清华大学计算机课程之《计算机原理》
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2008-10-23
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