This is an example of verilog HDL language in the CPLD device EPM240 achieved RS232 agreement, deal button, LED digital tube display and digital display plus 1 per second. Quartus ii 7.0 use more than open.

db
..\RoyCPLD.asm.qmsg
..\RoyCPLD.asm_labs.ddb
..\RoyCPLD.cbx.xml
..\RoyCPLD.cmp.cdb
..\RoyCPLD.cmp.hdb
..\RoyCPLD.cmp.logdb
..\RoyCPLD.cmp.rdb
..\RoyCPLD.cmp.tdb
..\RoyCPLD.cmp0.ddb
..\RoyCPLD.dbp
..\RoyCPLD.db_info
..\RoyCPLD.eco.cdb
..\RoyCPLD.fit.qmsg
..\RoyCPLD.hier_info
..\RoyCPLD.hif
..\RoyCPLD.map.cdb
..\RoyCPLD.map.hdb
..\RoyCPLD.map.logdb
..\RoyCPLD.map.qmsg
..\RoyCPLD.pre_map.cdb
..\RoyCPLD.pre_map.hdb
..\RoyCPLD.psp
..\RoyCPLD.pss
..\RoyCPLD.rpp.qmsg
..\RoyCPLD.rtlv.hdb
..\RoyCPLD.rtlv_sg.cdb
..\RoyCPLD.rtlv_sg_swap.cdb
..\RoyCPLD.sgate.rvd
..\RoyCPLD.sgate_sm.rvd
..\RoyCPLD.sgdiff.cdb
..\RoyCPLD.sgdiff.hdb
..\RoyCPLD.signalprobe.cdb
..\RoyCPLD.sld_design_entry.sci
..\RoyCPLD.sld_design_entry_dsc.sci
..\RoyCPLD.syn_hier_info
..\RoyCPLD.tan.qmsg
key.v
led.v
RoyCPLD.asm.rpt
RoyCPLD.cdf
RoyCPLD.done
RoyCPLD.dpf
RoyCPLD.fit.rpt
RoyCPLD.fit.smsg
RoyCPLD.fit.summary
RoyCPLD.flow.rpt
RoyCPLD.map.rpt
RoyCPLD.map.smsg
RoyCPLD.map.summary
RoyCPLD.pin
RoyCPLD.pof
RoyCPLD.qpf
RoyCPLD.qsf
RoyCPLD.qws
RoyCPLD.tan.rpt
RoyCPLD.tan.summary
RoyCPLD.v
rs232_rec_fun.v
rs232_send_fun.v
rs232_speed.v

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