Calculator design based on FPGA DE2 development board. language use Verilog. Matrix keyboard input, LCD1602 display. Program includes key scanning module and LCD module and data process module, etc.

calculator
..........\calculator.qpf
..........\calculator.qsf
..........\calculator.qws
..........\calculator.v.bak
..........\db
..........\..\calculator.asm.qmsg
..........\..\calculator.asm.rdb
..........\..\calculator.asm_labs.ddb
..........\..\calculator.cbx.xml
..........\..\calculator.cmp.bpm
..........\..\calculator.cmp.cdb
..........\..\calculator.cmp.hdb
..........\..\calculator.cmp.idb
..........\..\calculator.cmp.kpt
..........\..\calculator.cmp.logdb
..........\..\calculator.cmp.rdb
..........\..\calculator.cmp_merge.kpt
..........\..\calculator.cycloneive_io_sim_cache.45um_ff_1200mv_0c_fast.hsd
..........\..\calculator.cycloneive_io_sim_cache.45um_ii_1200mv_0c_slow.hsd
..........\..\calculator.cycloneive_io_sim_cache.45um_ii_1200mv_85c_slow.hsd
..........\..\calculator.db_info
..........\..\calculator.fit.qmsg
..........\..\calculator.hier_info
..........\..\calculator.hif
..........\..\calculator.ipinfo
..........\..\calculator.lpc.html
..........\..\calculator.lpc.rdb
..........\..\calculator.lpc.txt
..........\..\calculator.map.ammdb
..........\..\calculator.map.bpm
..........\..\calculator.map.cdb
..........\..\calculator.map.hdb
..........\..\calculator.map.kpt
..........\..\calculator.map.logdb
..........\..\calculator.map.qmsg
..........\..\calculator.map.rdb
..........\..\calculator.map_bb.cdb
..........\..\calculator.map_bb.hdb
..........\..\calculator.map_bb.logdb
..........\..\calculator.pplq.rdb
..........\..\calculator.pre_map.hdb
..........\..\calculator.pti_db_list.ddb
..........\..\calculator.root_partition.map.reg_db.cdb
..........\..\calculator.routing.rdb
..........\..\calculator.rpp.qmsg
..........\..\calculator.rtlv.hdb
..........\..\calculator.rtlv_sg.cdb
..........\..\calculator.rtlv_sg_swap.cdb
..........\..\calculator.sgate.rvd
..........\..\calculator.sgate_sm.rvd
..........\..\calculator.sgdiff.cdb
..........\..\calculator.sgdiff.hdb
..........\..\calculator.sld_design_entry.sci
..........\..\calculator.sld_design_entry_dsc.sci
..........\..\calculator.smart_action.txt
..........\..\calculator.smp_dump.txt
..........\..\calculator.sta.qmsg
..........\..\calculator.sta.rdb
..........\..\calculator.sta_cmp.7_slow_1200mv_85c.tdb
..........\..\calculator.syn_hier_info
..........\..\calculator.tiscmp.fast_1200mv_0c.ddb
..........\..\calculator.tiscmp.slow_1200mv_0c.ddb
..........\..\calculator.tiscmp.slow_1200mv_85c.ddb
..........\..\calculator.tis_db_list.ddb
..........\..\calculator.tmw_info
..........\..\calculator.vpr.ammdb
..........\..\logic_util_heursitic.dat
..........\..\prev_cmp_calculator.qmsg
..........\incremental_db
..........\..............\compiled_partitions
..........\..............\...................\calculator.db_info
..........\..............\...................\calculator.root_partition.cmp.ammdb
..........\..............\...................\calculator.root_partition.cmp.cdb
..........\..............\...................\calculator.root_partition.cmp.dfp
..........\..............\...................\calculator.root_partition.cmp.hdb
..........\..............\...................\calculator.root_partition.cmp.kpt
..........\..............\...................\calculator.root_partition.cmp.logdb
..........\..............\...................\calculator.root_partition.cmp.rcfdb
..........\..............\...................\calculator.root_partition.map.cdb
..........\..............\...................\calculator.root_partition.map.dpi
..........\..............\...................\calculator.root_partition.map.hbdb.cdb
..........\..............\...................\calculator.root_partition.map.hbdb.hb_info
..........\..............\...................\calculator.root_partition.map.hbdb.hdb
..........\..............\...................\calculator.root_partition.map.hbdb.sig
..........\..............\...................\calculator.root_partition.map.hdb
..........\..............\...................\calculator.root_partition.map.kpt
..........\..............\README
..........\key_scan.v.bak
..........\output_files
..........\............\calculator.asm.rpt
..........\.

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