Design a 2-digit stopwatch that ticks every second. A switch is used to start and stop the time. When the switch is pushed, the time will start and when it is pushed again, the time will stop. In order for the switch to work properly, the switch must be debounced and the software debouncer must be used for the debouncing. Implement the stopwatch using the Altera Cyclone II EP2C35F672C5.

hw5\counter.vhd
...\db\add_sub_lkc.tdf
...\..\add_sub_mkc.tdf
...\..\alt_u_div_00f.tdf
...\..\alt_u_div_ove.tdf
...\..\lpm_divide_1dm.tdf
...\..\lpm_divide_85m.tdf
...\..\mux_joc.tdf
...\..\prev_cmp_stopwatch.asm.qmsg
...\..\prev_cmp_stopwatch.fit.qmsg
...\..\prev_cmp_stopwatch.map.qmsg
...\..\prev_cmp_stopwatch.qmsg
...\..\prev_cmp_stopwatch.sim.qmsg
...\..\prev_cmp_stopwatch.tan.qmsg
...\..\sign_div_unsign_bkh.tdf
...\..\sign_div_unsign_fkh.tdf
...\..\stopwatch.asm.qmsg
...\..\stopwatch.asm_labs.ddb
...\..\stopwatch.cbx.xml
...\..\stopwatch.cmp.bpm
...\..\stopwatch.cmp.cdb
...\..\stopwatch.cmp.ecobp
...\..\stopwatch.cmp.hdb
...\..\stopwatch.cmp.kpt
...\..\stopwatch.cmp.logdb
...\..\stopwatch.cmp.rdb
...\..\stopwatch.cmp.tdb
...\..\stopwatch.cmp0.ddb
...\..\stopwatch.cmp_merge.kpt
...\..\stopwatch.db_info
...\..\stopwatch.eco.cdb
...\..\stopwatch.eds_overflow
...\..\stopwatch.fit.qmsg
...\..\stopwatch.fnsim.cdb
...\..\stopwatch.fnsim.hdb
...\..\stopwatch.fnsim.qmsg
...\..\stopwatch.hier_info
...\..\stopwatch.hif
...\..\stopwatch.map.bpm
...\..\stopwatch.map.cdb
...\..\stopwatch.map.ecobp
...\..\stopwatch.map.hdb
...\..\stopwatch.map.kpt
...\..\stopwatch.map.logdb
...\..\stopwatch.map.qmsg
...\..\stopwatch.map_bb.cdb
...\..\stopwatch.map_bb.hdb
...\..\stopwatch.map_bb.hdbx
...\..\stopwatch.map_bb.logdb
...\..\stopwatch.pre_map.cdb
...\..\stopwatch.pre_map.hdb
...\..\stopwatch.psp
...\..\stopwatch.rtlv.hdb
...\..\stopwatch.rtlv_sg.cdb
...\..\stopwatch.rtlv_sg_swap.cdb
...\..\stopwatch.sgdiff.cdb
...\..\stopwatch.sgdiff.hdb
...\..\stopwatch.sim.cvwf
...\..\stopwatch.sim.hdb
...\..\stopwatch.sim.qmsg
...\..\stopwatch.sim.rdb
...\..\stopwatch.simfam
...\..\stopwatch.sim_ori.vwf
...\..\stopwatch.sld_design_entry.sci
...\..\stopwatch.sld_design_entry_dsc.sci
...\..\stopwatch.syn_hier_info
...\..\stopwatch.tan.qmsg
...\..\stopwatch.tis_db_list.ddb
...\..\stopwatch.tmw_info
...\..\wed.wsf
...\debouncer.vhd
...\incremental_db\compiled_partitions\stopwatch.root_partition.cmp.atm
...\..............\...................\stopwatch.root_partition.cmp.dfp
...\..............\...................\stopwatch.root_partition.cmp.hdbx
...\..............\...................\stopwatch.root_partition.cmp.kpt
...\..............\...................\stopwatch.root_partition.cmp.logdb
...\..............\...................\stopwatch.root_partition.cmp.rcf
...\..............\...................\stopwatch.root_partition.map.atm
...\..............\...................\stopwatch.root_partition.map.dpi
...\..............\...................\stopwatch.root_partition.map.hdbx
...\..............\...................\stopwatch.root_partition.map.kpt
...\..............\README
...\printout\counter.pdf
...\........\debouncer.pdf
...\........\functional waveform 1.jpg
...\........\functional waveform 2.jpg
...\........\functional waveform 3.jpg
...\........\functional waveform 4.jpg
...\........\sevensegmentledcontrol.pdf
...\........\stopwatch.pdf
...\........\timesignalgenerator.pdf
...\........\toggleckt.pdf
...\sevensegmentledcontrol.vhd
...\stopwatch.asm.rpt
...\stopwatch.done
...\stopwatch.fit.rpt
...\stopwatch.fit.summary
...\stopwatch.flow.rpt
...\stopwatch.map.rpt
...\stopwatch.map.summary

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