This is when I am going to Electronic Design Contest, use VHDL to write an automatic bell playing system, a very good learning materials.

自动打铃系统\LCD_打铃\adjust_time.sim.cvwf
............\........\adjust_time.vhd
............\........\bcd.vhd
............\........\db\prev_cmp_ring_LCD.asm.qmsg
............\........\..\prev_cmp_ring_LCD.fit.qmsg
............\........\..\prev_cmp_ring_LCD.map.qmsg
............\........\..\prev_cmp_ring_LCD.qmsg
............\........\..\prev_cmp_ring_LCD.sim.qmsg
............\........\..\prev_cmp_ring_LCD.tan.qmsg
............\........\..\ring_LCD.asm.qmsg
............\........\..\ring_LCD.asm_labs.ddb
............\........\..\ring_LCD.cbx.xml
............\........\..\ring_LCD.cmp.bpm
............\........\..\ring_LCD.cmp.cdb
............\........\..\ring_LCD.cmp.ecobp
............\........\..\ring_LCD.cmp.hdb
............\........\..\ring_LCD.cmp.kpt
............\........\..\ring_LCD.cmp.logdb
............\........\..\ring_LCD.cmp.rdb
............\........\..\ring_LCD.cmp.tdb
............\........\..\ring_LCD.cmp0.ddb
............\........\..\ring_LCD.cmp2.ddb
............\........\..\ring_LCD.cmp_merge.kpt
............\........\..\ring_LCD.db_info
............\........\..\ring_LCD.eco.cdb
............\........\..\ring_LCD.eds_overflow
............\........\..\ring_LCD.fit.qmsg
............\........\..\ring_LCD.hier_info
............\........\..\ring_LCD.hif
............\........\..\ring_LCD.map.bpm
............\........\..\ring_LCD.map.cdb
............\........\..\ring_LCD.map.ecobp
............\........\..\ring_LCD.map.hdb
............\........\..\ring_LCD.map.kpt
............\........\..\ring_LCD.map.logdb
............\........\..\ring_LCD.map.qmsg
............\........\..\ring_LCD.map_bb.cdb
............\........\..\ring_LCD.map_bb.hdb
............\........\..\ring_LCD.map_bb.hdbx
............\........\..\ring_LCD.map_bb.logdb
............\........\..\ring_LCD.pre_map.cdb
............\........\..\ring_LCD.pre_map.hdb
............\........\..\ring_LCD.psp
............\........\..\ring_LCD.rtlv.hdb
............\........\..\ring_LCD.rtlv_sg.cdb
............\........\..\ring_LCD.rtlv_sg_swap.cdb
............\........\..\ring_LCD.sgdiff.cdb
............\........\..\ring_LCD.sgdiff.hdb
............\........\..\ring_LCD.sim.cvwf
............\........\..\ring_LCD.sim.hdb
............\........\..\ring_LCD.sim.qmsg
............\........\..\ring_LCD.sim.rdb
............\........\..\ring_LCD.sld_design_entry.sci
............\........\..\ring_LCD.sld_design_entry_dsc.sci
............\........\..\ring_LCD.smp_dump.txt
............\........\..\ring_LCD.syn_hier_info
............\........\..\ring_LCD.tan.qmsg
............\........\..\ring_LCD.tis_db_list.ddb
............\........\..\wed.wsf
............\........\div.vhd
............\........\fenwei.vhd
............\........\incremental_db\compiled_partitions\ring_LCD.root_partition.cmp.atm
............\........\..............\...................\ring_LCD.root_partition.cmp.dfp
............\........\..............\...................\ring_LCD.root_partition.cmp.hdbx
............\........\..............\...................\ring_LCD.root_partition.cmp.kpt
............\........\..............\...................\ring_LCD.root_partition.cmp.logdb
............\........\..............\...................\ring_LCD.root_partition.cmp.rcf
............\........\..............\...................\ring_LCD.root_partition.map.atm
............\........\..............\...................\ring_LCD.root_partition.map.dpi
............\........\..............\...................\ring_LCD.root_partition.map.hdbx
............\........\..............\...................\ring_LCD.root_partition.map.kpt
............\........\..............\README
............\........\LCD.vhd
............\........\ring_LCD.asm.rpt
............\........\ring_LCD.done
............\........\ring_LCD.dpf
............\........\ring_LCD.fit.rpt
............\........\ring_LCD.fit.smsg
............\........\ring_LCD.fit.summary
............\........\ring_LCD.flow.rpt
............\........\ring_LCD.map.rpt
............\........\ring_LCD.map.summary
............\........\ring_LCD.pin
............\........\ring_LCD.pof
............\

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