Verilog动态数码管显示十进制

Verilog 二进制转换十进制动态数码管显示，如8个SW开关输入7FH，四个数码管依次显示127。

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2018-04-20 15:26  x7seg_2\
     目录           0  2018-04-20 14:55  x7seg_2\_ngo\
     文件          43  2018-04-20 14:55  x7seg_2\_ngo\netlist.lst
     目录           0  2018-04-20 14:55  x7seg_2\_xmsgs\
     文件         367  2018-04-20 14:55  x7seg_2\_xmsgs\bitgen.xmsgs
     文件         741  2018-04-20 14:55  x7seg_2\_xmsgs\map.xmsgs
     文件         367  2018-04-20 14:55  x7seg_2\_xmsgs\ngdbuild.xmsgs
     文件        1442  2018-04-20 14:55  x7seg_2\_xmsgs\par.xmsgs
     文件         740  2018-04-20 15:26  x7seg_2\_xmsgs\pn_parser.xmsgs
     文件        1720  2018-04-20 14:55  x7seg_2\_xmsgs\trce.xmsgs
     文件        1290  2018-04-20 14:55  x7seg_2\_xmsgs\xst.xmsgs
     目录           0  2018-04-20 21:47  x7seg_2\ipcore_dir\
     目录           0  2018-04-19 23:44  x7seg_2\iseconfig\
     文件        5292  2018-04-20 15:28  x7seg_2\iseconfig\x7seg_2.projectmgr
     文件       20500  2018-04-20 15:26  x7seg_2\iseconfig\x7seg_2.xreport
     文件       44385  2018-04-20 14:55  x7seg_2\usage_statistics_webtalk.html
     文件         710  2018-04-20 14:56  x7seg_2\webtalk.log
     文件        2930  2018-04-20 14:55  x7seg_2\webtalk_pn.xml
     文件        4575  2018-04-20 14:55  x7seg_2\x7seg_2.bgn
     文件       72760  2018-04-20 14:55  x7seg_2\x7seg_2.bit
     文件         989  2018-04-20 14:55  x7seg_2\x7seg_2.bld
     文件        3376  2018-04-20 14:55  x7seg_2\x7seg_2.cmd_log
     文件         186  2018-04-20 14:55  x7seg_2\x7seg_2.drc
     文件       12269  2018-04-20 15:28  x7seg_2\x7seg_2.gise
     文件           6  2018-04-20 14:55  x7seg_2\x7seg_2.lso
     文件       27638  2018-04-20 14:55  x7seg_2\x7seg_2.ncd
     文件       26755  2018-04-20 14:55  x7seg_2\x7seg_2.ngc
     文件       43870  2018-04-20 14:55  x7seg_2\x7seg_2.ngd
     文件       30260  2018-04-20 14:55  x7seg_2\x7seg_2.ngr
     文件        6612  2018-04-20 14:55  x7seg_2\x7seg_2.pad
     文件        7307  2018-04-20 14:55  x7seg_2\x7seg_2.par
............此处省略43个文件信息