4-2.htm

来自「浙江大学计算机学院计算机组成教材《计算机组成与设计》（潘学增）的课堂教学课件。」· HTM 代码 · 共 561 行 · 第 1/4 页

              <td width="100%"><font color="#000000" size="4">add $1,$2,$3</font></td>                     
            </tr>                     
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              <td width="100%"><font color="#000000" size="4">sub $1,$2,$3</font></td>                     
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              <td width="100%"><font color="#000000" size="4">addi $1,$2,100</font></td>                     
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      <td width="18%" height="54">                     
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          <table border="0" cellpadding="0" cellspacing="0" width="100%">                     
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              <td width="100%"><font color="#000000" size="4">$1=$2+$3</font></td>                   
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              <td width="100%"><font color="#000000" size="4">$1=$2-$3</font></td>                   
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              <td width="100%"><font color="#000000" size="4">$1=$2+100</font></td>                   
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      <td width="21%" height="54">                   
        <div align="center">                   
          <table border="0" cellpadding="0" cellspacing="0" width="124%">                   
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              <td width="100%"><font color="#000000" size="4">3operands;</font></td>                   
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              <td width="100%"><font color="#000000" size="4">3operands;</font></td>                   
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              <td width="100%"><font color="#000000" size="4">add constants</font></td>                     
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      <td width="15%" height="57">                     
        <p align="center"><font color="#000000" size="4">Data transfer</font></td>                     
      <td width="27%" height="57">                     
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          <table border="0" cellpadding="0" cellspacing="0" width="100%">                     
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              <td width="100%"><font color="#000000" size="4">load word</font></td>                     
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              <td width="100%"><font color="#000000" size="4">store word</font></td>                     
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              <td width="100%"><font color="#000000" size="4">load upper imm.</font></td>                     
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      <td width="19%" height="57">                     
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          <table border="0" cellpadding="0" cellspacing="0" width="100%">                     
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              <td width="100%"><font color="#000000" size="4">lw $1,100($2)</font></td>                     
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              <td width="100%"><font color="#000000" size="4">sw $1,100($2)</font></td>                     
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              <td width="100%"><font color="#000000" size="4">lui $1,100</font></td>                     
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          </table>                     
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      <td width="18%" height="57">                     
        <div align="center">                     
          <table border="0" cellpadding="0" cellspacing="0" width="100%">                     
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              <td width="100%"><font color="#000000" size="4">$1=Mem[$2+100]</font></td>                   
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              <td width="100%"><font color="#000000" size="4">Mem[$2+100]=$1</font></td>                   
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              <td width="100%"><font color="#000000" size="4">$1=100×2<sup>16</sup></font></td>                   
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      <td width="21%" height="57">                   
        <div align="center">                   
          <table border="0" cellpadding="0" cellspacing="0" width="100%">                   
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              <td width="100%"><font color="#000000" size="4">Mem to register</font></td>                     
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              <td width="100%"><font color="#000000" size="4">register to Mem</font></td>                     
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              <td width="100%"><font color="#000000" size="4">Load constant</font></td>                     
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          </table>                     
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      <td width="15%" height="16">                     
        <p align="center"><font color="#000000" size="4">Conditional branch　</font></p>
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      <td width="27%" height="16">
        <div align="center">
          <table border="0" cellpadding="0" cellspacing="0" width="104%">
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              <td width="100%"><font color="#000000" size="4">branch on equal</font></td>                     
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              <td width="100%"><font color="#000000" size="4">branch on not eq.</font></td>                     
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              <td width="100%"><font color="#000000" size="4">set on less than</font></td>                     
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              <td width="100%"><font color="#000000" size="4">set less than imm</font></td>                     
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              <td width="100%"><font color="#000000" size="4">set on less than unsi</font></td>                     
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              <td width="100%"><font color="#000000" size="4">set less than imm.unsi</font></td>                     
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          </table>                     
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      </td>                     
      <td width="19%" height="16">                     
        <div align="center">                     
          <table border="0" cellpadding="0" cellspacing="0" width="100%">                     
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              <td width="100%"><font color="#000000" size="4">beq $1,$2,100</font></td>                     
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            <tr>