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 or negedge rst_n) begin if(!rst_n) begin c <= 0; end // else if(a > b) begin // c <= a - b; // end // else if(a <= b) begin // c <= b - a; // end // else begin // c <= 0; // end c = a > b?a - b:b - a; end endmodule