File list (Check if you may need any files):
Cat.vhd
Cat_summary.html
Cat_tb.vhd
Dog.vhd
Dog_tb.vhd
fuse.log
isim
isim.cmd
isim.hdlsourcefiles
isim.log
isimwavedata.xwv
....\isim.tmp_save
....\.............\_1
....\isimcrash.log
....\simulate_dofile.log
....\simulate_dofile.log_back
....\work
....\....\cat.vdb
....\....\dog.vdb
....\....\petpack.vdb
....\....\testbench.vdb
....\_tmp
....\....\ieee
....\....\....\p_0017514958.didat
....\....\....\p_0774719531.didat
....\....\....\p_1242562249.didat
....\....\....\p_1367372525.didat
....\....\....\p_2592010699.didat
....\....\....\p_2717149903.didat
....\....\....\p_3039841270.didat
....\....\....\p_3499444699.didat
....\....\....\p_3564397177.didat
....\....\....\p_3620187407.didat
....\....\....\p_3972351953.didat
....\....\....\p_4165608084.didat
....\....\std
....\....\...\textio.didat
....\....\work
....\....\....\a_0704049061_3212880686.c
....\....\....\a_0704049061_3212880686.didat
....\....\....\a_0704049061_3212880686.nt.obj
....\....\....\a_1949178628_0230731466.c
....\....\....\a_1949178628_0230731466.didat
....\....\....\a_1949178628_0230731466.nt.obj
....\....\....\a_2200287402_3212880686.c
....\....\....\a_2200287402_3212880686.didat
....\....\....\a_2200287402_3212880686.nt.obj
....\....\....\a_2336863265_3212880686.c
....\....\....\a_2336863265_3212880686.didat
....\....\....\a_2336863265_3212880686.nt.obj
....\....\....\testbench_isim_beh.exe_lib.c
....\....\....\testbench_isim_beh.exe_lib.nt.dll
....\....\....\testbench_isim_beh.exe_lib.nt.obj
....\....\....\testbench_isim_beh.exe_main.c
ManyPets.ucf
ManyPets.vhd
ManyPets_tb.vhd
petpack.bgn
petpack.bit
PetPack.bld
PetPack.cmd_log
petpack.drc
PetPack.lso
PetPack.ncd
PetPack.ngc
PetPack.ngd
PetPack.ngr
PetPack.pad
PetPack.par
PetPack.pcf
PetPack.prj
PetPack.ptwx
PetPack.stx
PetPack.syr
PetPack.twr
PetPack.twx
PetPack.unroutes
PetPack.ut
PetPack.xpi
PetPack.xst
PetPack_guide.ncd
PetPack_map.map
PetPack_map.mrp
PetPack_map.ncd
PetPack_map.ngm
PetPack_map.xrpt
PetPack_ngdbuild.xrpt
PetPack_pad.csv
PetPack_pad.txt
PetPack_par.xrpt
PetPack_prev_built.ngd
PetPack_summary.xml
PetPack_usage.xml
PetPack_vhdl.prj
PetPack_xst.xrpt
testbench_beh.prj
testbench_isim_beh.exe
testbench_isim_beh.wfs
tutorial3.ipf
tutorial3.ise