File list (Check if you may need any files):
SOUND_PLAY6
...........\.lso
...........\CLK_DIV.v
...........\ELE_SOUND_TEST1.ucf
...........\ELE_SOUND_TEST1.v
...........\FFT_CLK_DIV.prj
...........\FFT_CLK_DIV.stx
...........\FFT_CLK_DIV.v
...........\FFT_CLK_DIV.xst
...........\SOUND_PLAY.bld
...........\SOUND_PLAY.cmd_log
...........\SOUND_PLAY.gise
...........\SOUND_PLAY.lso
...........\SOUND_PLAY.ncd
...........\SOUND_PLAY.ngc
...........\SOUND_PLAY.ngd
...........\SOUND_PLAY.ngr
...........\SOUND_PLAY.pad
...........\SOUND_PLAY.par
...........\SOUND_PLAY.pcf
...........\SOUND_PLAY.prj
...........\SOUND_PLAY.ptwx
...........\SOUND_PLAY.stx
...........\SOUND_PLAY.syr
...........\SOUND_PLAY.twr
...........\SOUND_PLAY.twx
...........\SOUND_PLAY.ucf
...........\SOUND_PLAY.unroutes
...........\SOUND_PLAY.ut
...........\SOUND_PLAY.v
...........\SOUND_PLAY.xise
...........\SOUND_PLAY.xpi
...........\SOUND_PLAY.xst
...........\SOUND_PLAY_bitgen.xwbt
...........\SOUND_PLAY_envsettings.html
...........\SOUND_PLAY_guide.ncd
...........\SOUND_PLAY_map.map
...........\SOUND_PLAY_map.mrp
...........\SOUND_PLAY_map.ncd
...........\SOUND_PLAY_map.ngm
...........\SOUND_PLAY_map.xrpt
...........\SOUND_PLAY_ngdbuild.xrpt
...........\SOUND_PLAY_pad.csv
...........\SOUND_PLAY_pad.txt
...........\SOUND_PLAY_par.xrpt
...........\SOUND_PLAY_summary.html
...........\SOUND_PLAY_summary.xml
...........\SOUND_PLAY_usage.xml
...........\SOUND_PLAY_xst.xrpt
...........\SOUND_SEND_COUNTROL.v
...........\SOUND_SEND_COUNTROL_summary.html
...........\UAER_RXD.v
...........\UART_CLK_DIV.prj
...........\UART_CLK_DIV.stx
...........\UART_CLK_DIV.v
...........\UART_CLK_DIV.xst
...........\UART_DEBUG.v
...........\UART_TX.v
...........\UART_TXD.v
...........\WM8731_config.v
...........\WM8731_config_top.v
...........\_ngo
...........\....\netlist.lst
...........\_xmsgs
...........\......\bitgen.xmsgs
...........\......\map.xmsgs
...........\......\netgen.xmsgs
...........\......\ngdbuild.xmsgs
...........\......\par.xmsgs
...........\......\pn_parser.xmsgs
...........\......\trce.xmsgs
...........\......\xst.xmsgs
...........\ffttest.v
...........\hx711.v
...........\ipcore_dir
...........\..........\FFT_core
...........\..........\........\doc
...........\..........\........\...\xfft_ds260.pdf
...........\..........\........\...\xfft_v7_1_readme.txt
...........\..........\........\...\xfft_v7_1_vinfo.html
...........\..........\FFT_core.asy
...........\..........\FFT_core.gise
...........\..........\FFT_core.ncf
...........\..........\FFT_core.ngc
...........\..........\FFT_core.sym
...........\..........\FFT_core.v
...........\..........\FFT_core.veo
...........\..........\FFT_core.xco
...........\..........\FFT_core.xise
...........\..........\FFT_core_flist.txt
...........\..........\FFT_core_xmdf.tcl
...........\..........\_xmsgs
...........\..........\......\cg.xmsgs
...........\..........\......\pn_parser.xmsgs
...........\..........\coregen.cgp
...........\..........\coregen.log
...........\..........\create_FFT_core.tcl
...........\..........\edit_FFT_core.tcl
...........\..........\tmp
...........\..........\...\FFT_core.lso