59. Absolute Value

How do you plan to solve it?

module abs8_func (
    input  signed [7:0] a,
    output       [7:0] abs
);
    // ---------- Write function here----------
    function [7:0] abs8;
        input [7:0] a;
        if (a[7]==0) begin
            abs8 = a;
        end else begin
            abs8 = ~a + 1'b1;
        end
    endfunction



    // Function called here
    assign abs = abs8(a);

endmodule