计数器verilog 代码

eda简单的设计，本实例是一个16进制的计数器，适合入门者阅读！

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件        914  2010-12-02 13:56  counter_16\counter_16.qpf

     文件       3001  2010-12-29 20:20  counter_16\counter_16.qsf

     文件       3488  2010-12-29 01:55  counter_16\db\wed.wsf

     文件        136  2010-12-02 13:56  counter_16\db\counter_16.db_info

     文件       3871  2010-12-29 01:54  counter_16\db\prev_cmp_counter_16.qmsg

     文件       1825  2010-12-02 14:20  counter_16\db\counter_16.rpp.qmsg

     文件       3871  2010-12-29 01:53  counter_16\db\counter_16.fnsim.qmsg

     文件       4371  2010-12-29 01:30  counter_16\db\counter_16.map.qmsg

     文件         92  2010-12-29 01:53  counter_16\db\counter_16.cbx.xml

     文件       1435  2010-12-29 01:30  counter_16\db\counter_16.hif

     文件          4  2010-12-29 01:30  counter_16\db\counter_16.map_bb.logdb

     文件          0  2010-12-29 01:30  counter_16\db\counter_16.syn_hier_info

     文件       3917  2010-12-29 01:30  counter_16\db\prev_cmp_counter_16.map.qmsg

     文件        187  2010-12-29 01:54  counter_16\db\counter_16.tis_db_list.ddb

     文件       7647  2010-12-29 01:30  counter_16\db\counter_16.map_bb.hdbx

     文件       1475  2010-12-02 14:19  counter_16\db\counter_16.（0）.cnf.cdb

     文件        632  2010-12-02 14:19  counter_16\db\counter_16.（0）.cnf.hdb

     文件       1379  2010-12-02 14:19  counter_16\db\counter_16.（1）.cnf.cdb

     文件        627  2010-12-02 14:19  counter_16\db\counter_16.（1）.cnf.hdb

     文件       2553  2010-12-29 01:53  counter_16\db\counter_16.hier_info

     文件       8122  2010-12-29 01:30  counter_16\db\counter_16.pre_map.hdb

     文件       1609  2010-12-29 01:30  counter_16\db\counter_16.pre_map.cdb

     文件       1273  2010-12-29 01:30  counter_16\db\counter_16.sgdiff.cdb

     文件      44722  2010-12-29 01:30  counter_16\db\counter_16.fit.qmsg

     文件          3  2010-12-29 01:30  counter_16\db\counter_16.psp

     文件          4  2010-12-29 01:30  counter_16\db\counter_16.cmp.logdb

     文件       8137  2010-12-29 01:30  counter_16\db\counter_16.sgdiff.hdb

     文件        153  2010-12-29 20:23  counter_16\db\counter_16.sld_design_entry.sci

     文件        108  2010-12-29 20:23  counter_16\db\counter_16.tmw_info

     文件       2330  2010-12-29 01:30  counter_16\db\counter_16.rtlv_sg.cdb

............此处省略79个文件信息