segment_a

Source: Lab3bdf/segment_a.v (modified 2025-10-15 21:19)

module segment_a (
    input  wire [3:0] digit,
    output wire a
);
    wire D3 = digit[3];
    wire D2 = digit[2];
    wire D1 = digit[1];
    wire D0 = digit[0];

    wire Sa = (~D2 & ~D0)
            | (~D3 &  D2 &  D0)
            | ( D3 & ~D0)
            | ( D3 & ~D2 & ~D1)
            | (~D3 &  D1)
            | ( D2 &  D1);

    assign a = ~Sa;
endmodule