Combine Circuit A & Circuit B
📌 Introduction

🧑💻 Code Example
module circuit_A(input x, input y, output z);
assign z = (x ^ y) & x;
endmodule
module circuit_B(input x, input y, output z);
assign z = ~(x ^ y);
endmodule
module top_module (input x, input y, output z);
wire z_A1, z_B1, z_A2, z_B2;
circuit_A A1(.x(x), .y(y), .z(z_A1));
circuit_B B1(.x(x), .y(y), .z(z_B1));
circuit_A A2(.x(x), .y(y), .z(z_A2));
circuit_B B2(.x(x), .y(y), .z(z_B2));
assign z = (z_A1 | z_B1) ^ (z_A2 & z_B2);
endmodule