achieved using Verilog 4 x 4 keyboard procedures, the Quartus II compiler on the adoption and successful

Packet : 3971003key_scan1.rar filelist
key_scan1\d.v
key_scan1\key_scan1.v
key_scan1\mux1_6.v
key_scan1\cout6.v
key_scan1\key_scan.v
key_scan1\qudou.gdf
key_scan1\key_scan1.gdf
key_scan1\qudou.bsf
key_scan1\key_scan.cnf
key_scan1\div_clk.mmf
key_scan1\key_scan1.cnf
key_scan1\key_scan1(1).cnf
key_scan1\U8200446.DLS
key_scan1\key_scan1(2).cnf
key_scan1\U8426052.DLS
key_scan1\key_scan1(3).cnf
key_scan1\mux1_6.hif
key_scan1\mux6_1.cnf
key_scan1\key_scan1(4).cnf
key_scan1\div_clk.cnf
key_scan1\key_scan1(5).cnf
key_scan1\key_scan1(6).cnf
key_scan1\key_scan1(7).cnf
key_scan1\key_scan1(8).cnf
key_scan1\key_scan1.hif
key_scan1\cout6.bsf
key_scan1\LIB.DLS
key_scan1\div_clk.hif
key_scan1\div_clk.rpt
key_scan1\div_clk(1).cnf
key_scan1\div_clk(2).cnf
key_scan1\div_clk.ndb
key_scan1\div_clk.snf
key_scan1\key_scan1.pin
key_scan1\div_clk.fit
key_scan1\div_clk.pin
key_scan1\key_scan1.fit
key_scan1\key_scan1.ndb
key_scan1\key_scan1.snf
key_scan1\key_scan1.hex
key_scan1\div_clk(3).cnf
key_scan1\div_clk(4).cnf
key_scan1\key_scan.mmf
key_scan1\div_clk.hex
key_scan1\key_scan.hif
key_scan1\U2503531.DLS
key_scan1\key_scan1(9).cnf
key_scan1\key_scan1(10).cnf
key_scan1\key_scan1(11).cnf
key_scan1\key_scan1(12).cnf
key_scan1\key_scan(1).cnf
key_scan1\mux6_1.v
key_scan1\key_scan1.mmf
key_scan1\key_scan(2).cnf
key_scan1\key_scan(3).cnf
key_scan1\key_scan(4).cnf
key_scan1\mux6_1.mmf
key_scan1\U1738764.DLS
key_scan1\key_scan1.rpt
key_scan1\key_scan.ndb
key_scan1\cout6.cnf
key_scan1\key_scan.fit
key_scan1\key_scan.pin
key_scan1\key_scan.rpt
key_scan1\key_scan.snf
key_scan1\mux6_1.hif
key_scan1\mux6_1.ndb
key_scan1\mux6_1.fit
key_scan1\mux6_1.pin
key_scan1\mux6_1.rpt
key_scan1\mux6_1.snf
key_scan1\mux6_1.hex
key_scan1\com_digit.v
key_scan1\div_clk.v
key_scan1\com_digit.cnf
key_scan1\mux1_6.cnf
key_scan1\com_digit.hif
key_scan1\com_digit.ndb
key_scan1\com_digit.fit
key_scan1\com_digit.pin
key_scan1\mux1_6.pin
key_scan1\cout6.mmf
key_scan1\mux1_6.fit
key_scan1\mux1_6.ndb
key_scan1\mux1_6.snf
key_scan1\mux1_6.hex
key_scan1\com_digit.rpt
key_scan1\com_digit.snf
key_scan1\com_digit.hex
key_scan1\mux1_6.rpt
key_scan1\com_digit.mmf
key_scan1\mux1_6.mmf
key_scan1\key_scan.hex
key_scan1\cout6(1).cnf
key_scan1\cout6(2).cnf
key_scan1\cout6(3).cnf
key_scan1\cout6(4).cnf
key_scan1\cout6.hif
key_scan1\cout6.ndb
key_scan1\cout6.fit
key_scan1\cout6.pin
key_scan1\U6935077.DLS
key_scan1\cout6.snf
key_scan1\cout6.hex
key_scan1\div_clk.bsf
key_scan1\cout.hif
key_scan1\key_scan1(14).cnf
key_scan1\key_scan1(15).cnf
key_scan1\key_scan2.gdf
key_scan1\cout6.rpt
key_scan1\key_scan2.mmf
key_scan1\key_scan2.cnf
key_scan1\key_scan2(1).cnf
key_scan1\key_scan2(2).cnf
key_scan1\key_scan2(3).cnf
key_scan1\key_scan2(4).cnf
key_scan1\key_scan2(5).cnf
key_scan1\key_scan2(6).cnf
key_scan1\key_scan2(7).cnf
key_scan1\key_scan2.scf
key_scan1\key_scan2(8).cnf
key_scan1\decode47.v
key_scan1\key_scan2(9).cnf
key_scan1\U0886871.DLS
key_scan1\key_scan2(10).cnf
key_scan1\U1063377.DLS
key_scan1\key_scan2(11).cnf
key_scan1\U8209508.DLS
key_scan1\key_scan2(12).cnf
key_scan1\key_scan2(13).cnf
key_scan1\key_scan2(14).cnf
key_scan1\key_scan2(15).cnf
key_scan1\U2038888.DLS
key_scan1\key_scan2(16).cnf
key_scan1\key_scan2(17).cnf
key_scan1\key_scan2(18).cnf
key_scan1\key_scan2(19).cnf
key_scan1\key_scan2.hif
key_scan1\key_scan1.qpf
key_scan1\key_scan1.qsf
key_scan1\key_scan2.rpt
key_scan1\key_scan1.done
key_scan1\key_scan1.bdf
key_scan1\key_scan1.map.rpt
key_scan1\key_scan1.qws
key_scan1\key_scan2.pin
key_scan1\key_scan2.fit
key_scan1\key_scan2.ndb
key_scan1\key_scan2.snf
key_scan1\key_scan2.hex
key_scan1\key_scan1.flow.rpt
key_scan1\key_scan1.map.summary
key_scan1\key_scan1.map.eqn
key_scan1\key_scan1.fit.eqn
key_scan1\key_scan1.fit.rpt
key_scan1\key_scan1.fit.summary
key_scan1\key_scan1.asm.rpt
key_scan1\key_scan1.tan.summary
key_scan1\key_scan1.tan.rpt
key_scan1\key_scan1_assignment_defaults.qdf
key_scan1\key_scan1.fld
key_scan1\key_scan1.ppl
key_scan1\key_scan1.cdf
key_scan1\talkback\key_scan1.map.talkback.xml
key_scan1\talkback\key_scan1.fit.talkback.xml
key_scan1\talkback\key_scan1.asm.talkback.xml
key_scan1\talkback\key_scan1.tan.talkback.xml
key_scan1\talkback
key_scan1\db\key_scan1.db_info
key_scan1\db\key_scan1.map.qmsg
key_scan1\db\key_scan1.fit.qmsg
key_scan1\db\key_scan1.cmp.hdb
key_scan1\db\key_scan1.(7).cnf.cdb
key_scan1\db\key_scan1.cbx.xml
key_scan1\db\key_scan1.hif
key_scan1\db\key_scan1.(0).cnf.cdb
key_scan1\db\key_scan1.(0).cnf.hdb
key_scan1\db\key_scan1.(1).cnf.cdb
key_scan1\db\key_scan1.(1).cnf.hdb
key_scan1\db\key_scan1.(2).cnf.cdb
key_scan1\db\key_scan1.(2).cnf.hdb
key_scan1\db\key_scan1.(3).cnf.cdb
key_scan1\db\key_scan1.(3).cnf.hdb
key_scan1\db\key_scan1.(4).cnf.cdb
key_scan1\db\key_scan1.(4).cnf.hdb
key_scan1\db\key_scan1.(5).cnf.cdb
key_scan1\db\key_scan1.(5).cnf.hdb
key_scan1\db\key_scan1.(6).cnf.cdb
key_scan1\db\key_scan1.(6).cnf.hdb
key_scan1\db\key_scan1.(7).cnf.hdb
key_scan1\db\key_scan1.psp
key_scan1\db\key_scan1_cmp.qrpt
key_scan1\db\key_scan1.rtlv_sg_swap.cdb
key_scan1\db\key_scan1.(8).cnf.cdb
key_scan1\db\key_scan1.(8).cnf.hdb
key_scan1\db\key_scan1.(9).cnf.cdb
key_scan1\db\key_scan1.(9).cnf.hdb
key_scan1\db\key_scan1.hier_info
key_scan1\db\key_scan1.asm.qmsg
key_scan1\db\key_scan1.tan.qmsg
key_scan1\db\key_scan1.pre_map.cdb
key_scan1\db\key_scan1.pre_map.hdb
key_scan1\db\key_scan1.rtlv_sg.cdb
key_scan1\db\key_scan1.(10).cnf.cdb
key_scan1\db\key_scan1.(10).cnf.hdb
key_scan1\db\key_scan1.(11).cnf.cdb
key_scan1\db\key_scan1.(11).cnf.hdb
key_scan1\db\key_scan1.(12).cnf.cdb
key_scan1\db\key_scan1.(12).cnf.hdb
key_scan1\db\key_scan1.(13).cnf.cdb
key_scan1\db\key_scan1.(13).cnf.hdb
key_scan1\db\key_scan1.(14).cnf.cdb
key_scan1\db\key_scan1.(14).cnf.hdb
key_scan1\db\key_scan1.(15).cnf.cdb
key_scan1\db\key_scan1.(15).cnf.hdb
key_scan1\db\key_scan1.rtlv.hdb
key_scan1\db\key_scan1.sgdiff.cdb
key_scan1\db\key_scan1.sgdiff.hdb
key_scan1\db\key_scan1.smp_dump.txt
key_scan1\db\key_scan1.syn_hier_info
key_scan1\db\key_scan1.sld_design_entry_dsc.sci
key_scan1\db\key_scan1.map.cdb
key_scan1\db\key_scan1.map.hdb
key_scan1\db\key_scan1.eco.cdb
key_scan1\db\key_scan1.cmp.tdb
key_scan1\db\key_scan1.cmp.cdb
key_scan1\db\key_scan1.sld_design_entry.sci
key_scan1\db
key_scan1

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