module top ( | |
input clk, | |
output LED0, | |
output LED1, | |
output LED2, | |
output LED3, | |
output LED4, | |
output LED5, | |
output LED6, | |
output LED7 | |
); | |
localparam BITS = 3; | |
localparam LOG2DELAY = 20; | |
reg [BITS+LOG2DELAY-1:0] counter = 0; | |
reg [BITS-1:0] outcnt; | |
always @(posedge clk) begin | |
counter <= counter + 1; | |
outcnt <= counter >> LOG2DELAY; | |
end | |
assign {LED7, LED6, LED5, LED4, LED3, LED2, LED1, LED0} = 1 << outcnt; | |
endmodule |