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72. 7-Segment Display Decoder

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Solving Approach

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Code

module sevenseg_hex (
    input      [3:0] hex,
    output reg [6:0] seg
);

    always @* begin
        case (hex)
            4'h0: seg = 7'b1111110;  // 0
            4'h1: seg = 7'b0110000;  // 1
            4'h2: seg = 7'b1101101;  // 2
            4'h3: seg = 7'b1111001;  // 3
            4'h4: seg = 7'b0110011;  // 4
            4'h5: seg = 7'b1011011;  // 5
            4'h6: seg = 7'b1011111;  // 6
            4'h7: seg = 7'b1110000;  // 7
            4'h8: seg = 7'b1111111;  // 8
            4'h9: seg = 7'b1111011;  // 9
            4'hA: seg = 7'b1110111;  // A
            4'hB: seg = 7'b0011111;  // B
            4'hC: seg = 7'b1001110;  // C
            4'hD: seg = 7'b0111101;  // D
            4'hE: seg = 7'b1001111;  // E
            4'hF: seg = 7'b1000111;  // F
            default: seg = 7'b0000000; // blank
        endcase
    end

endmodule

 

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