文件名称:BCD_adder_4digit
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介绍说明－－下载内容均来自于网络，请自行研究使用
首先将最大四位的整数转换成BCD码，然后用VHDL设计一个4位BCD码加法器，-BCD_adder_4digit
(系统自动生成,下载前可以参看下载内容)
下载文件列表
BCD_adder_4digit
................\bcd.txt
................\BCD_adder_4digit
................\................\.lso
................\................\BCD_adder.vhd
................\................\BCD_adder4.cmd_log
................\................\BCD_adder4.ise
................\................\BCD_adder4.ise_ISE_Backup
................\................\BCD_adder4.lso
................\................\BCD_adder4.ngc
................\................\BCD_adder4.ngr
................\................\BCD_adder4.ntrc_log
................\................\BCD_adder4.prj
................\................\BCD_adder4.stx
................\................\BCD_adder4.syr
................\................\BCD_adder4.vhd
................\................\BCD_adder4.xst
................\................\BCD_adder4_summary.html
................\................\BCD_adder4_vhdl.prj
................\................\binary_adder.vhd
................\................\ceshi.vhd
................\................\integer2bcd.vhd
................\................\pepExtractor.prj
................\................\tb_BCD_adder1.vhd
................\................\tb_BCD_adder4.vhd
................\................\tb_BCD_adder4.vhd.bak
................\................\tb_ceshi.vhd
................\................\tb_integer2bcd.vhd
................\................\tb_integer2bcd.vhd.bak
................\................\xst
................\................\...\dump.xst
................\................\...\........\BCD_adder4.prj
................\................\...\........\..............\ngx
................\................\...\........\..............\...\notopt
................\................\...\........\..............\...\opt
................\................\...\........\..............\ntrc.scr
................\................\...\file graph
................\................\...\projnav.tmp
................\................\...\work
................\................\...\....\hdllib.ref
................\................\...\....\hdpdeps.ref
................\................\...\....\sub00
................\................\...\....\.....\vhpl00.vho
................\................\...\....\.....\vhpl01.vho
................\................\...\....\.....\vhpl02.vho
................\................\...\....\.....\vhpl03.vho
................\................\...\....\.....\vhpl04.vho
................\................\...\....\.....\vhpl05.vho
................\................\...\....\.....\vhpl06.vho
................\................\...\....\.....\vhpl07.vho
................\................\_xmsgs
................\................\......\xst.xmsgs
................\tb_bcd_adder.cr.mti
................\tb_bcd_adder.mpf
................\vsim.wlf
................\work
................\....\bcd_adder
................\....\.........\behavioral.dat
................\....\.........\behavioral.dbs
................\....\.........\_primary.dat
................\....\.........\_primary.dbs
................\....\bcd_adder4
................\....\..........\behavioral.dat
................\....\..........\behavioral.dbs
................\....\..........\_primary.dat
................\....\..........\_primary.dbs
................\....\binary_adder
................\....\............\behavioral.dat
................\....\............\behavioral.dbs
................\....\............\_primary.dat
................\....\............\_primary.dbs
................\....\ceshi
................\....\.....\behavioral.dat
................\....\.....\behavioral.dbs
................\....\.....\_primary.dat
................\....\.....\_primary.dbs
................\....\integer2bcd
................\....\...........\behavioral.dat
................\....\...........\behavioral.dbs
................\....\...........\_primary.dat
................\....\...........\_primary.dbs
................\....\tb_bcd_adder1_vhd
................\....\.................\behavior.dat
................\....\.................\behavior.dbs
................\....\.................\_prima
................\bcd.txt
................\BCD_adder_4digit
................\................\.lso
................\................\BCD_adder.vhd
................\................\BCD_adder4.cmd_log
................\................\BCD_adder4.ise
................\................\BCD_adder4.ise_ISE_Backup
................\................\BCD_adder4.lso
................\................\BCD_adder4.ngc
................\................\BCD_adder4.ngr
................\................\BCD_adder4.ntrc_log
................\................\BCD_adder4.prj
................\................\BCD_adder4.stx
................\................\BCD_adder4.syr
................\................\BCD_adder4.vhd
................\................\BCD_adder4.xst
................\................\BCD_adder4_summary.html
................\................\BCD_adder4_vhdl.prj
................\................\binary_adder.vhd
................\................\ceshi.vhd
................\................\integer2bcd.vhd
................\................\pepExtractor.prj
................\................\tb_BCD_adder1.vhd
................\................\tb_BCD_adder4.vhd
................\................\tb_BCD_adder4.vhd.bak
................\................\tb_ceshi.vhd
................\................\tb_integer2bcd.vhd
................\................\tb_integer2bcd.vhd.bak
................\................\xst
................\................\...\dump.xst
................\................\...\........\BCD_adder4.prj
................\................\...\........\..............\ngx
................\................\...\........\..............\...\notopt
................\................\...\........\..............\...\opt
................\................\...\........\..............\ntrc.scr
................\................\...\file graph
................\................\...\projnav.tmp
................\................\...\work
................\................\...\....\hdllib.ref
................\................\...\....\hdpdeps.ref
................\................\...\....\sub00
................\................\...\....\.....\vhpl00.vho
................\................\...\....\.....\vhpl01.vho
................\................\...\....\.....\vhpl02.vho
................\................\...\....\.....\vhpl03.vho
................\................\...\....\.....\vhpl04.vho
................\................\...\....\.....\vhpl05.vho
................\................\...\....\.....\vhpl06.vho
................\................\...\....\.....\vhpl07.vho
................\................\_xmsgs
................\................\......\xst.xmsgs
................\tb_bcd_adder.cr.mti
................\tb_bcd_adder.mpf
................\vsim.wlf
................\work
................\....\bcd_adder
................\....\.........\behavioral.dat
................\....\.........\behavioral.dbs
................\....\.........\_primary.dat
................\....\.........\_primary.dbs
................\....\bcd_adder4
................\....\..........\behavioral.dat
................\....\..........\behavioral.dbs
................\....\..........\_primary.dat
................\....\..........\_primary.dbs
................\....\binary_adder
................\....\............\behavioral.dat
................\....\............\behavioral.dbs
................\....\............\_primary.dat
................\....\............\_primary.dbs
................\....\ceshi
................\....\.....\behavioral.dat
................\....\.....\behavioral.dbs
................\....\.....\_primary.dat
................\....\.....\_primary.dbs
................\....\integer2bcd
................\....\...........\behavioral.dat
................\....\...........\behavioral.dbs
................\....\...........\_primary.dat
................\....\...........\_primary.dbs
................\....\tb_bcd_adder1_vhd
................\....\.................\behavior.dat
................\....\.................\behavior.dbs
................\....\.................\_prima