File list (Check if you may need any files):
backup PingPong
...............\PingPong(0 1)
...............\.............\AcompareB.inc
...............\.............\AcompareB.vhd
...............\.............\AcompareB_waveforms.html
...............\.............\cmp_state.ini
...............\.............\Compare4.bsf
...............\.............\Compare4.inc
...............\.............\Compare4.vhd
...............\.............\Compare4_waveforms.html
...............\.............\Compare8.bsf
...............\.............\Compare8.inc
...............\.............\Compare8.vhd
...............\.............\Compare8_waveforms.html
...............\.............\db
...............\.............\..\add_sub_2he.tdf
...............\.............\..\add_sub_uge.tdf
...............\.............\..\mux_rgc.tdf
...............\.............\..\PingPong.asm.qmsg
...............\.............\..\PingPong.cbx.xml
...............\.............\..\PingPong.cmp.cdb
...............\.............\..\PingPong.cmp.hdb
...............\.............\..\PingPong.cmp.rdb
...............\.............\..\PingPong.cmp.tdb
...............\.............\..\PingPong.cmp0.ddb
...............\.............\..\PingPong.db_info
...............\.............\..\PingPong.eco.cdb
...............\.............\..\PingPong.eds_overflow
...............\.............\..\PingPong.fit.qmsg
...............\.............\..\PingPong.fnsim.hdb
...............\.............\..\PingPong.hier_info
...............\.............\..\PingPong.hif
...............\.............\..\PingPong.map.cdb
...............\.............\..\PingPong.map.hdb
...............\.............\..\PingPong.map.qmsg
...............\.............\..\PingPong.pre_map.cdb
...............\.............\..\PingPong.pre_map.hdb
...............\.............\..\PingPong.psp
...............\.............\..\PingPong.rtlv.hdb
...............\.............\..\PingPong.rtlv_sg.cdb
...............\.............\..\PingPong.rtlv_sg_swap.cdb
...............\.............\..\PingPong.sgdiff.cdb
...............\.............\..\PingPong.sgdiff.hdb
...............\.............\..\PingPong.signalprobe.cdb
...............\.............\..\PingPong.sim.hdb
...............\.............\..\PingPong.sim.qmsg
...............\.............\..\PingPong.sim.rdb
...............\.............\..\PingPong.sim.vwf
...............\.............\..\PingPong.sld_design_entry.sci
...............\.............\..\PingPong.sld_design_entry_dsc.sci
...............\.............\..\PingPong.syn_hier_info
...............\.............\..\PingPong.tan.qmsg
...............\.............\..\PingPong_cmp.qrpt
...............\.............\..\PingPong_sim.qrpt
...............\.............\Frequency.bdf
...............\.............\Frequency.bsf
...............\.............\Frequency1.bdf
...............\.............\Frequency1.bsf
...............\.............\Frequency2.bdf
...............\.............\Frequency2.bsf
...............\.............\Keyboard.bdf
...............\.............\Keyboard.bsf
...............\.............\MUX_4.bsf
...............\.............\MUX_4.inc
...............\.............\MUX_4.vhd
...............\.............\PingPong.asm.rpt
...............\.............\PingPong.bdf
...............\.............\PingPong.done
...............\.............\PingPong.fit.eqn
...............\.............\PingPong.fit.rpt
...............\.............\PingPong.fit.summary
...............\.............\PingPong.flow.rpt
...............\.............\PingPong.map.eqn
...............\.............\PingPong.map.rpt
...............\.............\PingPong.map.summary
...............\.............\PingPong.pin
...............\.............\PingPong.pof
...............\.............\PingPong.qpf
...............\.............\PingPong.qsf
...............\.............\PingPong.qws
...............\.............\PingPong.sim.rpt
...............\.............\PingPong.sof
...............\.............\PingPong.tan.rpt
...............\.............\PingPong.tan.summary
...............\.............\Scores.bdf
...............\.............\Scores.bsf
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