関連ワード:  gate level verilog code    gate level verilog code for full adder    gate level verilog code for half adder    gate level verilog code for full subtractor    gate level verilog code for half subtractor    gate level verilog code example    encoder gate level verilog code    decoder gate level verilog code    gate level modelling in verilog code    d flip flop gate level verilog code