`timescale 1ns/1ns module triffic_light ( input rst_n, //异位复位信号,低电平有效 input clk, //时钟信号 input pass_request, output wire[7:0]clock, output reg red, output reg yellow, output reg green ); parameter RST=0, GG=1, YY=2, RR=3; reg [1:0] Q_state, D_state; always@(...