module seven_segment(clk,rst,point,out);
input clk,rst;
input [3:0]point;
output [6:0]out;
reg [6:0]out;
always@(posedge clk,negedge rst)
begin
    if(!rst)
    begin
        out=7'b0111111;
    end
    else
    begin
        case(point)
            4'h0:out=7'b1000000;
            4'h1:out=7'b1111001;
            4'h2:out=7'b0100100;
            4'h3:out=7'b0110000;
            4'h4:out=7'b0011001;
            4'h5:out=7'b0010010;
            4'h6:out=7'b0000010;
            4'h7:out=7'b1011000;
            4'h8:out=7'b0000000;
            4'h9:out=7'b0010000;
            4'ha:out=7'b0001000;
            4'hb:out=7'b0000011;
            4'hc:out=7'b1000110;
            4'hd:out=7'b0100001;
            4'he:out=7'b0000110;
            4'hf:out=7'b0001110;
        endcase
    end
end
endmodule