数字时钟数码管显示（已测试通过）
................................\clock.asm.rpt
................................\clock.done
................................\clock.dpf
................................\clock.fit.rpt
................................\clock.fit.smsg
................................\clock.fit.summary
................................\clock.flow.rpt
................................\clock.map.rpt
................................\clock.map.summary
................................\clock.pin
................................\clock.pof
................................\clock.qpf
................................\clock.qsf
................................\clock.qws
................................\clock.sof
................................\clock.tan.rpt
................................\clock.tan.summary
................................\clock.vhd
................................\clock.vhd.bak
................................\db
................................\..\clock.asm.qmsg
................................\..\clock.asm_labs.ddb
................................\..\clock.cbx.xml
................................\..\clock.cmp.bpm
................................\..\clock.cmp.cdb
................................\..\clock.cmp.ecobp
................................\..\clock.cmp.hdb
................................\..\clock.cmp.kpt
................................\..\clock.cmp.logdb
................................\..\clock.cmp.rdb
................................\..\clock.cmp.tdb
................................\..\clock.cmp0.ddb
................................\..\clock.cmp2.ddb
................................\..\clock.cmp_merge.kpt
................................\..\clock.db_info
................................\..\clock.eco.cdb
................................\..\clock.fit.qmsg
................................\..\clock.hier_info
................................\..\clock.hif
................................\..\clock.lpc.html
................................\..\clock.lpc.rdb
................................\..\clock.lpc.txt
................................\..\clock.map.bpm
................................\..\clock.map.cdb
................................\..\clock.map.ecobp
................................\..\clock.map.hdb
................................\..\clock.map.kpt
................................\..\clock.map.logdb
................................\..\clock.map.qmsg
................................\..\clock.map_bb.cdb
................................\..\clock.map_bb.hdb
................................\..\clock.map_bb.logdb
................................\..\clock.pre_map.cdb
................................\..\clock.pre_map.hdb
................................\..\clock.rtlv.hdb
................................\..\clock.rtlv_sg.cdb
................................\..\clock.rtlv_sg_swap.cdb
................................\..\clock.sgdiff.cdb
................................\..\clock.sgdiff.hdb
................................\..\clock.sld_design_entry.sci
................................\..\clock.sld_design_entry_dsc.sci
................................\..\clock.smp_dump.txt
................................\..\clock.syn_hier_info
................................\..\clock.tan.qmsg
................................\..\clock.tis_db_list.ddb
................................\..\clock.tmw_info
................................\..\clock_global_asgn_op.abo
................................\..\prev_cmp_clock.asm.qmsg
................................\..\prev_cmp_clock.fit.qmsg
................................\..\prev_cmp_clock.map.qmsg
................................\..\prev_cmp_clock.qmsg
................................\..\prev_cmp_clock.tan.qmsg
................................\incremental_db
................................\..............\compiled_partitions
................................\..............\...................\clock.root_partition.cmp.atm
................................\..............\...................\clock.root_partition.cmp.dfp
................................\..............\...................\clo