这样居然也能过
`timescale 1ns/1ns
module game_count
(
input rst_n, //异位复位信号,低电平有效
input clk, //时钟信号
input [9:0]money,
input set,
input boost,
output reg[9:0]remain,
output reg yellow,
output reg red
);
always@(posedge clk or negedge rst_n)begin
if(!rst_n)begin
remain <= 0;
end
else if(set)begin
remain <= remain + money;
end
else if(boost)begin
remain <= remain - 2;
end
else
remain <= remain - 1;
end
always@(posedge clk or negedge rst_n)begin
if(!rst_n)begin
yellow <= 0;
red <= 0;
end
else if(remain < 10 && remain > 0)begin
yellow <= 1;
red <= 0;
end
else if(remain == 0)begin
yellow <= 0;
red <= 1;
end
else begin
yellow <= 0;
red <= 0;
end
end
endmodule