File list (Check if you may need any files):
butterfly2\butterfly2.asm.rpt
..........\butterfly2.done
..........\butterfly2.fit.rpt
..........\butterfly2.fit.summary
..........\butterfly2.flow.rpt
..........\butterfly2.map.rpt
..........\butterfly2.map.summary
..........\butterfly2.pin
..........\butterfly2.pof
..........\butterfly2.qpf
..........\butterfly2.qsf
..........\butterfly2.qws
..........\butterfly2.sim.rpt
..........\butterfly2.sof
..........\butterfly2.tan.rpt
..........\butterfly2.tan.summary
..........\butterfly2.vhd
..........\butterfly2.vwf
..........\butterfly2_assignment_defaults.qdf
..........\db\butterfly2.cbx.xml
..........\..\butterfly2.cmp.rdb
..........\..\butterfly2.db_info
..........\..\butterfly2.eco.cdb
..........\..\butterfly2.hier_info
..........\..\butterfly2.hif
..........\..\butterfly2.map.qmsg
..........\..\butterfly2.pre_map.cdb
..........\..\butterfly2.pre_map.hdb
..........\..\butterfly2.rtlv.hdb
..........\..\butterfly2.rtlv_sg.cdb
..........\..\butterfly2.rtlv_sg_swap.cdb
..........\..\butterfly2.sld_design_entry.sci
..........\..\mult_add_0513.tdf
..........\..\mult_add_1413.tdf
..........\..\mult_add_2513.tdf
..........\..\mult_add_ob13.tdf
..........\..\mult_add_pc13.tdf
..........\..\mult_add_u313.tdf
..........\..\mult_add_v313.tdf
..........\..\mult_add_v413.tdf
..........\..\mult_jg01.tdf
..........\..\wed.zsf
..........\serv_req_info.txt
..........\talkback\butterfly2.gui.talkback.xml
..........\........\butterfly2.quartus_map.talkback.xml
..........\db
..........\talkback
butterfly2