题解 | #全加器#
全加器
https://www.nowcoder.com/practice/d04c046febb74e72949baee9aa99d958
`timescale 1ns/1ns
module add_half(
input A ,
input B ,
output wire S ,
output wire C
);
assign S = A ^ B;
assign C = A & B;
endmodule
/***************************************************************/
module add_full(
input A ,
input B ,
input Ci ,
output wire S ,
output wire Co
);
wire hS, hC;
add_half HA(A, B, hS, hC);
assign S = hS^Ci;
assign Co = hC | A&Ci | B&Ci; // majority function.
endmodule
