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<td colspan="2"><font style="font-size:16px" color="#000000"><b>>> <a href="index.htm">PIC12C5XX单片机应用与设计</a>
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<td align="center"><b><font size="3">PIC12C5XX 指令集及程序设计技巧</font></b></td>
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<td> <p> </p></td>
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<td height="300"> <p ><b><font size="2">§</font></b><font size="2"><b>2.1
PIC12C5XX 指令概述</b></font> </p>
<p > <span class="lh15">PIC12C5XX每条指令长12位,指令由操作码和操作数组成。PIC12C5XX共有33条指令,按操作分成三大类:<br>
1、面向字节操作类<br>
2、面向位操作类<br>
3、常数操作和控制操作类。</span></p>
<p >全部指令如表2.1所示。
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<td width="416" colspan="5" rowspan="3"> <p >面向字节操作类指令</p></td>
<td width="70" > <p >(11-6)</p></td>
<td width="56" colspan="4" > <p >(5)</p></td>
<td width="63" colspan="3" > <p >(4-0)</p></td>
<td width="70" colspan="3" > <p > </p></td>
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<td width="77" colspan="2" bgcolor="#FFFFFF" > OPCODE</td>
<td width="35" colspan="2" bgcolor="#FFFFFF" > d</td>
<td width="77" colspan="4" bgcolor="#FFFFFF" > f(FILE#)</td>
<td width="70" colspan="3" bgcolor="#FFFFFF"> <p > </p></td>
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<td width="77" colspan="2" bgcolor="#FFFFFF" > <p > </p></td>
<td width="56" colspan="4" bgcolor="#FFFFFF" > <p > </p></td>
<td width="56" colspan="2" bgcolor="#FFFFFF"> <p > </p></td>
<td width="70" colspan="3" bgcolor="#FFFFFF" > <p > </p></td>
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<td width="416" colspan="5" > <p >二进制代码
HEX 名称 助记符,操作数 操作</p></td>
<td width="77" colspan="2" > <p > </p></td>
<td width="28" > <p > </p></td>
<td width="84" colspan="5"> <p >状态影响</p></td>
<td width="70" colspan="3" > <p >注</p></td>
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<td width="112" > <p >0000 0000 0000 </p></td>
<td width="42" > <p >000 </p></td>
<td width="80" > <p >空操作 </p></td>
<td width="101" > <p >NOP </p></td>
<td width="81" > <p > </p></td>
<td width="77" colspan="2" > <p > </p></td>
<td width="28" > <p > </p></td>
<td width="84" colspan="5" > <p >无 </p></td>
<td width="70" colspan="3" > <p > </p></td>
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<td width="112" > <p >0000 001f ffff </p></td>
<td width="42" > <p >02f </p></td>
<td width="80" > <p >W送到f </p></td>
<td width="101" > <p >MOVWF f </p></td>
<td width="81"> <p >W→f </p></td>
<td width="77" colspan="2" > <p > </p></td>
<td width="28" > <p > </p></td>
<td width="84" colspan="5" > <p >无 </p></td>
<td width="70" colspan="3"> <p >1,4 </p></td>
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<td width="112" > <p >0000 0100 0000 </p></td>
<td width="42"> <p >040 </p></td>
<td width="80" > <p >W清零 </p></td>
<td width="101" > <p >CLRW - </p></td>
<td width="81" > <p >0→W </p></td>
<td width="77" colspan="2"> <p > </p></td>
<td width="28" > <p > </p></td>
<td width="84" colspan="5" > <p >Z </p></td>
<td width="70" colspan="3" > <p > </p></td>
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<td width="112"> <p >0000 011f ffff </p></td>
<td width="42" > <p >06f </p></td>
<td width="80" > <p >f清零 </p></td>
<td width="101" > <p >CLRF f </p></td>
<td width="81"> <p >0→f </p></td>
<td width="77" colspan="2" > <p > </p></td>
<td width="28" > <p > </p></td>
<td width="84" colspan="5" > <p >Z </p></td>
<td width="70" colspan="3" > <p >4 </p></td>
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<td width="112" > <p >0000 10df ffff </p></td>
<td width="42" > <p >08f </p></td>
<td width="80" > <p >f减去W </p></td>
<td width="101" > <p >SUBWF f,d </p></td>
<td width="81" > <p >f-W→d </p></td>
<td width="77" colspan="2" > <p > </p></td>
<td width="28"> <p > </p></td>
<td width="84" colspan="5" > <p >C,DC,Z </p></td>
<td width="70" colspan="3" > <p >1,2,4 </p></td>
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<td width="112"> <p >0000 11df ffff </p></td>
<td width="42" > <p >0Cf </p></td>
<td width="80" > <p >f递减 </p></td>
<td width="101" > <p >DECF f,d </p></td>
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