数字逻辑课程设计简单运算器

设计一个简单运算器，可以进行加、减、与、异或运算。

 属性            大小     日期    时间   名称
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     文件       1229  2008-12-06 14:57  数字逻辑课程设计\yunsuanqi\ysq.qws

     文件      26944  2008-12-06 14:56  数字逻辑课程设计\yunsuanqi\ysq.sim.rpt

     文件        136  2008-12-06 14:28  数字逻辑课程设计\yunsuanqi\db\ysq.db_info

     文件       3510  2008-12-06 14:56  数字逻辑课程设计\yunsuanqi\db\ysq.sim.qmsg

     文件      10117  2008-12-06 14:56  数字逻辑课程设计\yunsuanqi\db\ysq.fnsim.hdb

     文件        134  2008-12-06 14:56  数字逻辑课程设计\yunsuanqi\db\ysq.sld_design_entry_dsc.sci

     文件        141  2008-12-06 14:57  数字逻辑课程设计\yunsuanqi\db\ysq.eco.cdb

     文件      21248  2008-12-06 14:56  数字逻辑课程设计\yunsuanqi\db\ysq.sim.vwf

     文件       2366  2008-12-06 14:56  数字逻辑课程设计\yunsuanqi\db\ysq.sim.hdb

     文件         85  2008-12-06 14:56  数字逻辑课程设计\yunsuanqi\db\ysq.cbx.xml

     文件       2304  2008-12-06 14:56  数字逻辑课程设计\yunsuanqi\db\ysq.hif

     文件       4011  2008-12-06 14:56  数字逻辑课程设计\yunsuanqi\db\ysq.sim.rdb

     文件        134  2008-12-06 14:57  数字逻辑课程设计\yunsuanqi\db\ysq.sld_design_entry.sci

     文件       5888  2008-12-06 14:56  数字逻辑课程设计\yunsuanqi\db\ysq.hier_info

     文件          0  2008-12-06 14:56  数字逻辑课程设计\yunsuanqi\db\ysq.psp

     文件          0  2008-12-06 14:56  数字逻辑课程设计\yunsuanqi\db\ysq.dbp

     文件          0  2008-12-06 14:56  数字逻辑课程设计\yunsuanqi\db\ysq.syn_hier_info

     文件          4  2008-12-06 14:56  数字逻辑课程设计\yunsuanqi\db\ysq.eds_overflow

     文件        345  2008-12-06 14:57  数字逻辑课程设计\yunsuanqi\db\wed.zsf

     文件       2833  2008-12-06 14:52  数字逻辑课程设计\yunsuanqi\db\ysq.（0）.cnf.cdb

     文件       1249  2008-12-06 14:52  数字逻辑课程设计\yunsuanqi\db\ysq.（0）.cnf.hdb

     文件      15177  2008-12-06 14:56  数字逻辑课程设计\yunsuanqi\db\ysq.map.qmsg

     文件        694  2008-12-06 14:56  数字逻辑课程设计\yunsuanqi\db\ysq.（1）.cnf.cdb

     文件        422  2008-12-06 14:56  数字逻辑课程设计\yunsuanqi\db\ysq.（1）.cnf.hdb

     文件       1428  2008-12-06 14:56  数字逻辑课程设计\yunsuanqi\db\ysq.（2）.cnf.cdb

     文件        918  2008-12-06 14:56  数字逻辑课程设计\yunsuanqi\db\ysq.（2）.cnf.hdb

     文件       1095  2008-12-06 14:56  数字逻辑课程设计\yunsuanqi\db\ysq.（3）.cnf.cdb

     文件        818  2008-12-06 14:56  数字逻辑课程设计\yunsuanqi\db\ysq.（3）.cnf.hdb

     文件       1805  2008-12-06 14:56  数字逻辑课程设计\yunsuanqi\db\ysq.（4）.cnf.cdb

     文件        974  2008-12-06 14:56  数字逻辑课程设计\yunsuanqi\db\ysq.（4）.cnf.hdb

............此处省略29个文件信息