File list (Check if you may need any files):
ALU_exercise
............\ALU.bld
............\ALU.cmd_log
............\ALU.lso
............\ALU.ncd
............\ALU.ngc
............\ALU.ngd
............\ALU.ngr
............\ALU.pad
............\ALU.par
............\ALU.pcf
............\ALU.prj
............\ALU.ptwx
............\ALU.spl
............\ALU.stx
............\ALU.sym
............\ALU.syr
............\ALU.twr
............\ALU.twx
............\ALU.unroutes
............\ALU.vhd
............\ALU.xpi
............\ALU.xst
............\ALU_envsettings.html
............\ALU_exercise.gise
............\ALU_exercise.xise
............\ALU_guide.ncd
............\ALU_map.map
............\ALU_map.mrp
............\ALU_map.ncd
............\ALU_map.ngm
............\ALU_map.xrpt
............\ALU_ngdbuild.xrpt
............\ALU_pad.csv
............\ALU_pad.txt
............\ALU_par.xrpt
............\ALU_summary.html
............\ALU_summary.xml
............\alu_tb.vhd
............\ALU_tb_beh.prj
............\ALU_tb_isim_beh.exe
............\ALU_tb_isim_beh.wdb
............\ALU_tb_stx_beh.prj
............\ALU_usage.xml
............\ALU_vhdl.prj
............\ALU_xst.xrpt
............\fuse.log
............\fuse.xmsgs
............\fuseRelaunch.cmd
............\iseconfig
............\.........\ALU.xreport
............\.........\ALU_exercise.projectmgr
............\isim
............\isim.cmd
............\isim.log
............\....\ALU_tb_isim_beh.exe.sim
............\....\.......................\ALU_tb_isim_beh.exe
............\....\.......................\isimcrash.log
............\....\.......................\ISimEngine-DesignHierarchy.dbg
............\....\.......................\isimkernel.log
............\....\.......................\libPortability.dll
............\....\.......................\netId.dat
............\....\.......................\tmp_save
............\....\.......................\........\_1
............\....\.......................\work
............\....\.......................\....\ALU_tb_isim_beh.exe_main.c
............\....\.......................\....\ALU_tb_isim_beh.exe_main.nt64.obj
............\....\.......................\....\a_0832606739_3142100031.c
............\....\.......................\....\a_0832606739_3142100031.didat
............\....\.......................\....\a_0832606739_3142100031.nt64.obj
............\....\.......................\....\a_2598182923_2730021763.c
............\....\.......................\....\a_2598182923_2730021763.didat
............\....\.......................\....\a_2598182923_2730021763.nt64.obj
............\....\isim_usage_statistics.html
............\....\pn_info
............\....\precompiled.exe.sim
............\....\...................\ieee
............\....\...................\....\p_1242562249.c
............\....\...................\....\p_1242562249.didat
............\....\...................\....\p_1242562249.nt64.obj
............\....\...................\....\p_2592010699.c
............\....\...................\....\p_2592010699.didat
............\....\...................\....\p_2592010699.nt64.obj
............\....\temp
............\....\....\alu.vdb
............\....\....\alu_tb.vdb
............\....\work
............\....\....\alu.vdb
............\....\....\alu_tb.vdb
............\jgh.wcfg
............\pepExtractor.prj
............\webtalk_pn.xml
............\xilinxsim.ini
............\xlnx_auto_0_xdb
............\...............\cst.xbcd
............\xst
............\...\dump.xst
............\...\........\ALU.prj
............\...\........\.......\ngx
............\...\........\.......\...\notopt