题解 | #含有无关项的序列检测#
含有无关项的序列检测
https://www.nowcoder.com/practice/cba67d06d6834a5d9b93e1087b56c8d8
`timescale 1ns/1ns
module sequence_detect(
input clk,
input rst_n,
input a,
output reg match
);
reg [8:0] queue;
always @(posedge clk or negedge rst_n) begin
if (!rst_n) begin
match <= 0;
end
else begin
if ((queue[8:6] == 3'b011) && (queue[2:0] == 3'b110))
match <= 1;
else
match <= 0;
end
queue <= {queue[7:0], a};
end
endmodule
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