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 Y0 = ( A[3] < B[3] ) ? 1 : ( A[2] < A[2] ) ? 1 : ( A[1] < B[1] ) ? 1 : ( A[0] < B[0] ) ? 1 : 0 ;
assign Y1 = (A == B) ? 1 : 0 ;
assign Y2= ~Y1 && ~Y0 ;
endmodule
