module sevenseg_hex(input [3:0] hex, output reg [6:0] seg);
always @(*) begin
case (hex)
4'b0: seg = 7'b1111110;
4'b1:seg = 7'b0110000;
4'b10:seg = 7'b1101101;
4'b11:seg = 7'b1111001;
4'b100:seg = 7'b0110011;
4'b101:seg = 7'b1011011;
4'b110:seg = 7'b1011111;
4'b111:seg = 7'b1110000;
4'b1000:seg = 7'b1111111;
4'b1001:seg = 7'b1111011;
4'b1010:seg = 7'b1110111;
4'b1011:seg = 7'b0011111;
4'b1100:seg = 7'b1001110;
4'b1101:seg = 7'b0111101;
4'b1110:seg = 7'b1001111;
4'b1111:seg = 7'b1000111;
endcase
end
endmodule