| module top ( | |
| input clk, | |
| output LED1, LED2, LED3, LED4, LED5 | |
| ); | |
| localparam LOG2DELAY = 22; | |
| reg [LOG2DELAY-1:0] counter = 0; | |
| reg [3:0] counter2 = 0; | |
| reg state = 0; | |
| always @(posedge clk) begin | |
| counter <= counter + 1; | |
| counter2 <= counter2 + !counter; | |
| state <= state ^ !counter; | |
| end | |
| assign LED1 = state; | |
| assign LED2 = 0; | |
| assign LED3 = 0; | |
| assign LED4 = 0; | |
| assign LED5 = 1; | |
| SB_WARMBOOT WB ( | |
| .BOOT(&counter2), | |
| .S1(1'b 0), | |
| .S0(1'b 1) | |
| ); | |
| endmodule |