File list (Check if you may need any files):
pong
....\hvsync_generator.v
....\pong.bgn
....\pong.bit
....\pong.bld
....\pong.cmd_log
....\pong.drc
....\pong.ise
....\pong.ise_ISE_Backup
....\pong.lfp
....\pong.lso
....\pong.ncd
....\pong.ngc
....\pong.ngd
....\pong.ngr
....\pong.pad
....\pong.par
....\pong.pcf
....\pong.prj
....\pong.stx
....\pong.syr
....\pong.twr
....\pong.twx
....\pong.ucf
....\pong.unroutes
....\pong.ut
....\pong.v
....\pong.xpi
....\pong.xst
....\pong_map.mrp
....\pong_map.ncd
....\pong_map.ngm
....\pong_pad.csv
....\pong_pad.txt
....\pong_summary.html
....\pong_vhdl.prj
....\transcript
....\xst
....\...\dump.xst
....\...\........\pong.prj
....\...\........\........\ngx
....\...\........\........\...\notopt
....\...\........\........\...\opt
....\...\projnav.tmp
....\...\work
....\...\....\hdllib.ref
....\...\....\vlg14
....\...\....\.....\pong.bin
....\...\....\vlg31
....\...\....\.....\clkdiv.bin
....\...\....\vlg51
....\...\....\.....\hvsync__generator.bin
....\_ngo
....\....\netlist.lst
....\_xmsgs
....\......\bitgen.xmsgs
....\......\map.xmsgs
....\......\ngdbuild.xmsgs
....\......\par.xmsgs
....\......\trce.xmsgs
....\......\xst.xmsgs