题解 | #4位数值比较器电路#
4位数值比较器电路
https://www.nowcoder.com/practice/e02fde10f1914527b6b6871b97aef86d
`timescale 1ns/1ns
module comparator_4(
input [3:0] A ,
input [3:0] B ,
output wire Y2 , //A>B
output wire Y1 , //A=B
output wire Y0 //A<B
);
assign Y2 = (A[3] & ~B[3]) | ((~(A[3] ^ B[3])) & A[2] & ~B[2]) | ((~(A[3]^B[3])) & (~(A[2]^B[2])) & A[1] & ~B[1]) | ((~(A[3]^B[3])) & (~(A[2]^B[2])) & (~(A[1]^B[1])) & A[0] & ~B[0]);
assign Y1 = (~(A[3]^B[3])) & (~(A[2]^B[2])) & (~(A[1]^B[1])) & (~(A[0]^B[0]));
assign Y0 = ~Y2 & ~Y1;
endmodule
