File list (Check if you may need any files):
a2\a.cr.mti
..\f.v
..\f.v.bak
..\l3.cr.mti
..\shiyan3.cr.mti
..\t1.v
..\t1.v.bak
..\transcript
..\vsim.wlf
..\work\@_opt\vopt08dzx9
..\....\.....\vopt4r2wx9
..\....\.....\vopt87gv2d
..\....\.....\vopt8biswb
..\....\.....\vopt8i0htg
..\....\.....\voptb2ndtg
..\....\.....\voptbe6nbc
..\....\.....\voptckem2a
..\....\.....\voptf1ziab
..\....\.....\voptfibatg
..\....\.....\voptg44i2a
..\....\.....\voptnhg1bi
..\....\.....\voptxqq3y9
..\....\.....\_deps
..\....\.....1\vopt0qhc3q
..\....\......\vopt4088g1
..\....\......\vopt7gx5g1
..\....\......\vopt7nn3kr
..\....\......\vopta6czjr
..\....\......\voptb7i23q
..\....\......\vopted1wnr
..\....\......\vopteq7z2q
..\....\......\voptm6hn3q
..\....\......\vopts09mf1
..\....\......\voptsn6i3q
..\....\......\voptw6wf3q
..\....\......\voptxgyif1
..\....\......\_deps
..\....\.....2\vopt1qw3dt
..\....\......\vopt2zjb3k
..\....\......\vopt6f973k
..\....\......\voptazy43k
..\....\......\voptd6f16b
..\....\......\vopthn4y5b
..\....\......\voptzeye3k
..\....\......\_deps
..\....\f\_primary.dat
..\....\.\_primary.dbs
..\....\.\_primary.vhd
..\....\t1\_primary.dat
..\....\..\_primary.dbs
..\....\..\_primary.vhd
..\....\_info
..\....\.temp\vlog4yyk98
..\....\.....\vlogc328n5
..\....\.....\vlogcs3845
..\....\_vmake
..\练习三.txt
..\work\@_opt
..\....\@_opt1
..\....\@_opt2
..\....\f
..\....\t1
..\....\_temp
..\work
a2