File list (Check if you may need any files):
FFT8\--math_real.vhd
....\butterfly.vhd
....\fft8.cmd_log
....\FFT8.gise
....\fft8.lso
....\fft8.prj
....\fft8.syr
....\fft8.vhd
....\FFT8.xise
....\fft8.xst
....\fft8_summary.html
....\fft8_xst.xrpt
....\fft_pkg.vhd
....\fft_pkg_summary.html
....\fuse.log
....\fuse.xmsgs
....\fuseRelaunch.cmd
....\ipcore_dir
....\.seconfig\FFT8.projectmgr
....\.........\fft_pkg.xreport
....\.........\tb.xreport
....\iseconfig
....\..im\pn_info
....\....\work\butterfly.vdb
....\....\....\fft8.vdb
....\....\....\fft_pkg.vdb
....\....\....\tb.vdb
....\....\work
....\isim
....\MP_modelsim\butterfly.vhd
....\...........\butterfly.vhd.bak
....\...........\fft8.vhd
....\...........\fft8.vhd.bak
....\...........\fft_pkg.vhd
....\...........\mophong.cr.mti
....\...........\mophong.mpf
....\...........\tb_fft8.vhd
....\...........\vish_stacktrace.vstf
....\...........\vsim.wlf
....\...........\wave.do
....\...........\.ork\adder32bit\behavioral.dat
....\...........\....\..........\behavioral.psm
....\...........\....\..........\_primary.dat
....\...........\....\adder32bit
....\...........\....\bo_cong32\behavioral.dat
....\...........\....\.........\behavioral.psm
....\...........\....\.........\circuits.dat
....\...........\....\.........\circuits.psm
....\...........\....\.........\_primary.dat
....\...........\....\bo_cong32
....\...........\....\.utterfly\behavioral.dat
....\...........\....\.........\behavioral.psm
....\...........\....\.........\_primary.dat
....\...........\....\butterfly
....\...........\....\div_res\flex.dat
....\...........\....\.......\flex.psm
....\...........\....\.......\_primary.dat
....\...........\....\div_res
....\...........\....\eight_bit_int\_primary.dat
....\...........\....\.............\_vhdl.psm
....\...........\....\eight_bit_int
....\...........\....\fadd\circuits.dat
....\...........\....\....\circuits.psm
....\...........\....\....\_primary.dat
....\...........\....\fadd
....\...........\....\.ft4\fft4.dat
....\...........\....\....\fft4.psm
....\...........\....\....\_primary.dat
....\...........\....\fft4
....\...........\....\...8\behavioral.dat
....\...........\....\....\behavioral.psm
....\...........\....\....\_primary.dat
....\...........\....\fft8
....\...........\....\..._pkg\body.dat
....\...........\....\.......\body.psm
....\...........\....\.......\_primary.dat
....\...........\....\.......\_vhdl.psm
....\...........\....\fft_pkg
....\...........\....\mul_ser\fpga.dat
....\...........\....\.......\fpga.psm
....\...........\....\.......\_primary.dat
....\...........\....\mul_ser
....\...........\....\qv2g\a.dat
....\...........\....\....\a.psm
....\...........\....\....\_primary.dat
....\...........\....\qv2g
....\...........\....\tb\behavior.dat
....\...........\....\..\behavior.psm
....\...........\....\..\_primary.dat
....\...........\....\tb
....\...........\....\_info
....\...........\work
....\MP_modelsim
....\pepExtractor.prj
....\QuartusII\butterfly.vhd
....\.........\db\fft8.cbx.xml
....\.........\..\fft8.cmp.rdb
....\.........\..\fft8.db_info
....\.........\..\fft8.hif
....\.........\..\fft8.map.qmsg