module seg7dec (
	input [3:0] DIN,
	output reg [6:0] HEX
);

always @* begin
	case ( DIN )
        4'h0:   HEX = 7'b1000000;
        4'h1:   HEX = 7'b1111001;
        4'h2:   HEX = 7'b0100100;
        4'h3:   HEX = 7'b0110000;
        4'h4:   HEX = 7'b0011001;
        4'h5:   HEX = 7'b0010010;
        4'h6:   HEX = 7'b0000010;
        4'h7:   HEX = 7'b1011000;
        4'h8:   HEX = 7'b0000000;
        4'h9:   HEX = 7'b0010000;
        default:HEX = 7'bxxxxxxx;
    endcase
end

endmodule