题解 | 求两个数的差值
求两个数的差值
https://www.nowcoder.com/practice/de8e9138214647f1826e99043a1b7990
`timescale 1ns/1ns module data_minus( input clk, input rst_n, input [7:0]a, input [7:0]b, output reg [8:0]c ); always @(posedge clk, negedge rst_n)begin if(~rst_n) c <= 9'b0; else c <= (a>b) ? a-b : b-a; end endmodule