関連ワード:  verilog code for full adder    verilog code for full adder with testbench    verilog code for full adder using behavioral modeling    verilog code for full adder using dataflow modeling    verilog code for full adder using gate level modeling    verilog code for full adder using structural modeling    verilog code for full adder using half adder    verilog code for full adder using 2 half adder    verilog code for full adder gate level    verilog code for full adder and full subtractor