blink_fix.v

`default_nettype none

// ═══════════════════════════════════════════════════════════════════════════════
// SINGULARITY V100 — FIXED BLINK (no INV cells)
// ═══════════════════════════════════════════════════════════════════════════════
// Simple chaotic blink to verify LED is working
// φ² + 1/φ² = 3

module blink_fix (
    input  wire clk,
    output wire led
);

    // 24-bit counter for chaotic blink pattern
    reg [23:0] counter;

    always @(posedge clk) begin
        counter <= counter + 1'b1;
    end

    // Chaotic LED: XOR of multiple counter bits
    assign led = counter[23] ^ counter[19] ^ counter[15] ^ counter[11] ^ counter[7] ^ counter[3];

endmodule