File list (Check if you may need any files):
binary_subtract
...............\binary_subtract.gise
...............\binary_subtract.vhd
...............\binary_subtract.xise
...............\binary_subtract_summary.html
...............\ipcore_dir
...............\iseconfig
...............\.........\binary_subtract.projectmgr
...............\.........\binary_subtract.xreport
...............\pepExtractor.prj
...............\pins.ucf
...............\test_bech.vhd
...............\_xmsgs
...............\......\pn_parser.xmsgs