| 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 |