File list (Check if you may need any files):
ISE_SAMPLE_CODE
...............\Example
...............\.......\prescale_counter_ver
...............\.......\....................\prescale_counter.bld
...............\.......\....................\prescale_counter.cmd_log
...............\.......\....................\prescale_counter.lso
...............\.......\....................\prescale_counter.ncd
...............\.......\....................\prescale_counter.ngc
...............\.......\....................\prescale_counter.ngd
...............\.......\....................\prescale_counter.ngr
...............\.......\....................\prescale_counter.pad
...............\.......\....................\prescale_counter.par
...............\.......\....................\prescale_counter.pcf
...............\.......\....................\prescale_counter.prj
...............\.......\....................\prescale_counter.stx
...............\.......\....................\prescale_counter.syr
...............\.......\....................\prescale_counter.twr
...............\.......\....................\prescale_counter.twx
...............\.......\....................\prescale_counter.unroutes
...............\.......\....................\prescale_counter.xpi
...............\.......\....................\prescale_counter.xst
...............\.......\....................\prescale_counter_fpga_editor.log
...............\.......\....................\prescale_counter_guide.ncd
...............\.......\....................\prescale_counter_map.map
...............\.......\....................\prescale_counter_map.mrp
...............\.......\....................\prescale_counter_map.ncd
...............\.......\....................\prescale_counter_map.ngm
...............\.......\....................\prescale_counter_pad.csv
...............\.......\....................\prescale_counter_pad.txt
...............\.......\....................\prescale_counter_prev_built.ngd
...............\.......\....................\prescale_counter_summary.html
...............\.......\....................\prescale_counter_summary.xml
...............\.......\....................\prescale_counter_usage.xml
...............\.......\....................\prescale_counter_ver.ise
...............\.......\....................\prescale_counter_ver.ise_ISE_Backup
...............\.......\....................\prescale_counter_ver.ntrc_log
...............\.......\....................\xst
...............\.......\....................\...\dump.xst
...............\.......\....................\...\........\prescale_counter.prj
...............\.......\....................\...\........\....................\ngx
...............\.......\....................\...\........\....................\...\notopt
...............\.......\....................\...\........\....................\...\opt
...............\.......\....................\...\........\....................\ntrc.scr
...............\.......\....................\...\projnav.tmp
...............\.......\....................\...\work
...............\.......\....................\...\....\hdllib.ref
...............\.......\....................\...\....\vlg12
...............\.......\....................\...\....\.....\prescale__counter.bin
...............\.......\....................\_ngo
...............\.......\....................\....\netlist.lst
...............\.......\....................\_xmsgs
...............\.......\....................\......\map.xmsgs
...............\.......\....................\......\ngdbuild.xmsgs
...............\.......\....................\......\par.xmsgs
...............\.......\....................\......\trce.xmsgs
...............\.......\....................\......\xst.xmsgs
...............\.......\prescale_counter_vhd
...............\.......\....................\prescale_counter.bld
...............\.......\....................\prescale_counter.cmd_log
...............\.......\....................\prescale_counter.lso
...............\.......\....................\prescale_counter.ncd
...............\.......\....................\prescale_counter.ngc
.....