File list (Check if you may need any files):
jk-ff
.....\automake.log
.....\jk-ff.dhp
.....\jk-ff.ise
.....\jk-ff.ise_ISE_Backup
.....\jk-ff.ucf
.....\jk-ff.vhd
.....\jkff.vhd
.....\jkff_.vhd
.....\jk_ff.vhd
.....\jk_fff.vhd
.....\jk_flipflop.cmd_log
.....\jk_flipflop.lso
.....\jk_flipflop.ngc
.....\jk_flipflop.ngr
.....\jk_flipflop.prj
.....\jk_flipflop.stx
.....\jk_flipflop.syr
.....\jk_flipflop.vhd
.....\jk_flipflop_summary.html
.....\pepExtractor.prj
.....\xst
.....\...\dump.xst
.....\...\........\jk_flipflop.prj
.....\...\........\...............\ngx
.....\...\........\...............\...\notopt
.....\...\........\...............\...\opt
.....\...\work
.....\...\....\hdllib.ref
.....\...\....\hdpdeps.ref
.....\...\....\sub00
.....\...\....\.....\vhpl00.vho
.....\...\....\.....\vhpl01.vho
.....\_xmsgs
.....\__projnav
.....\.........\jk-ff.gfl
.....\.........\jk-ff_flowplus.gfl
.....\.........\jk_flipflop.xst
.....\.........\runXst_tcl.rsp
.....\.........\sumrpt_tcl.rsp
.....\__projnav.log