pixelflut/pixelflut.v

module pixelflut (
	input         sys_clk,

	output        led0_r,
	output        led0_g,
	output        led0_b,
);
	reg [31:0] ctr;
	reg  [2:0] led0_state = 3'b0;

	assign led0_r = led0_state[0];
	assign led0_g = led0_state[1];
	assign led0_b = led0_state[2];

	always @(posedge sys_clk) begin
		if (ctr == 32'd50_000_000) begin
			ctr <= 32'b0;
			led0_state <= led0_state + 1'b1;
		end else begin
			ctr <= ctr + 1'b1;
		end
	end
endmodule