decode seven segment display for Altera DE1 kit

decode_7_seg.v

// decode 7 seg on DE1 kit
module decode_seven_seg(
	input        clk,
	input  [3:0] dec,
	output [6:0] out);

	reg [6:0] val;
	initial val = 0;
	always @(posedge clk) begin
		case (dec)
		4'h0: val <= 7'b1000000;
		4'h1: val <= 7'b1111001;
		4'h2: val <= 7'b0100100;
		4'h3: val <= 7'b0110000;
		4'h4: val <= 7'b0011001;
		4'h5: val <= 7'b0010010;
		4'h6: val <= 7'b0000010;
		4'h7: val <= 7'b1111000;
		4'h8: val <= 7'b0000000;
		4'h9: val <= 7'b0011000;
		4'ha: val <= 7'b0001000;
		4'hb: val <= 7'b0000011;
		4'hc: val <= 7'b1000110;
		4'hd: val <= 7'b0100001;
		4'he: val <= 7'b0000110;
		4'hf: val <= 7'b0001110;
		endcase
	end	
	assign out = val;
endmodule