File list (Check if you may need any files):
IC74HC159\IC74159.cmd_log
.........\IC74159.lso
.........\IC74159.ngc
.........\IC74159.ngr
.........\IC74159.prj
.........\IC74159.stx
.........\IC74159.syr
.........\IC74159.ucf
.........\IC74159.vhd
.........\IC74159.xst
.........\IC74159_envsettings.html
.........\IC74159_summary.html
.........\IC74159_vhdl.prj
.........\IC74159_xst.xrpt
.........\IC74HC159.gise
.........\IC74HC159.xise
.........\iseconfig\IC74159.xreport
.........\.........\IC74HC159.projectmgr
.........\pa.fromHdl.tcl
.........\.lanAhead_run_1\IC74HC159.data\constrs_1\fileset.xml
.........\...............\..............\sources_1\fileset.xml
.........\...............\..............\wt\webtalk_pa.xml
.........\...............\IC74HC159.ppr
.........\...............\planAhead.jou
.........\...............\planAhead.log
.........\...............\planAhead_run.log
.........\webtalk_pn.xml
.........\xst\work\hdllib.ref
.........\...\....\hdpdeps.ref
.........\...\....\sub00\vhpl00.vho
.........\...\....\.....\vhpl01.vho
.........\_xmsgs\pn_parser.xmsgs
.........\......\xst.xmsgs
.........\xst\dump.xst\IC74159.prj\ngx\notopt
.........\...\........\...........\...\opt
.........\...\........\...........\ngx
.........\planAhead_run_1\IC74HC159.data\constrs_1
.........\...............\..............\sources_1
.........\...............\..............\wt
.........\xst\dump.xst\IC74159.prj
.........\...\work\sub00
.........\planAhead_run_1\IC74HC159.data
.........\xst\dump.xst
.........\...\projnav.tmp
.........\...\work
.........\ipcore_dir
.........\iseconfig
.........\planAhead_run_1
.........\xst
.........\_xmsgs
IC74HC159