module top_module (
	input [99:0] a,
	input [99:0] b,
	input sel,
	output [99:0] out
);

    assign out = sel ? b : a;

endmodule


module top_module(
	input [3:1] y,
	input w,
	output reg Y2);

    always @(*) begin
        case (y)
            3'b000: Y2 = w ? 1'b0 : 1'b0;  // State A
            3'b001: Y2 = w ? 1'b1 : 1'b0;  // State B
            3'b010: Y2 = w ? 1'b1 : 1'b1;  // State C
            3'b011: Y2 = w ? 1'b0 : 1'b1;  // State D
            3'b100: Y2 = w ? 1'b1 : 1'b1;  // State E
            3'b101: Y2 = w ? 1'b1 : 1'b0;  // State F
            default: Y2 = 1'b0;
        endcase
    end

endmodule

module top_module(
	input [3:1] y,
	input w,
	output reg Y2);

    always @(*) begin
        case (y)
            3'b000: Y2 = 1'b0;  // State A
            3'b001: Y2 = w;     // State B
            3'b010: Y2 = w;     // State C
            3'b011: Y2 = 1'b1;  // State D
            3'b100: Y2 = 1'b1;  // State E
            3'b101: Y2 = 1'b0;  // State F
            default: Y2 = 1'b0; // Default case
        endcase
    end

endmodule

module top_module(
	input [3:1] y,
	input w,
	output reg Y2);

    always @(*) begin
        case (y)
            3'b000: Y2 = w ? 1'b0 : 1'b0;  // State A
            3'b001: Y2 = w ? 1'b1 : 1'b0;  // State B
            3'b010: Y2 = w ? 1'b1 : 1'b1;  // State C
            3'b011: Y2 = w ? 1'b0 : 1'b1;  // State D
            3'b100: Y2 = w ? 1'b1 : 1'b1;  // State E
            3'b101: Y2 = w ? 1'b1 : 1'b0;  // State F
            default: Y2 = 1'b0;  // Default case
        endcase
    end

endmodule

module top_module(
	input [3:1] y,
	input w,
	output reg Y2);

    always @(*) begin
        case (y)
            3'b000: Y2 = 0;  // State A
            3'b001: Y2 = w;  // State B
            3'b010: Y2 = w;  // State C
            3'b011: Y2 = 0;  // State D
            3'b100: Y2 = 0;  // State E
            3'b101: Y2 = 0;  // State F
            default: Y2 = 0; // Default case
        endcase
    end

endmodule

module top_module(
	input [3:1] y,
	input w,
	output reg Y2);

    always @(*) begin
        case (y)
            3'b000: Y2 = 1'b0; // State A
            3'b001: Y2 = w;    // State B
            3'b010: Y2 = w;    // State C
            3'b011: Y2 = 1'b0; // State D
            3'b100: Y2 = 1'b1; // State E
            3'b101: Y2 = 1'b0; // State F
            default: Y2 = 1'b0;
        endcase
    end

endmodule


module top_module(
	input ring,
	input vibrate_mode,
	output ringer,
	output motor
);

    assign motor = ring & vibrate_mode;
    assign ringer = ring & ~vibrate_mode;

endmodule


module top_module(
	input a,
	input b,
	output out_assign,
	output reg out_alwaysblock
);

	assign out_assign = a & b;

	always @(*) begin
		out_alwaysblock = a & b;
	end

endmodule


module top_module(
	output zero
);

	assign zero = 1'b0;

endmodule

module top_module(
	output zero);

	assign zero = 1'b0;

endmodule


module top_module (
	input clk,
	input a,
	output reg q
);

    always @(posedge clk) begin
        if (a == 1'b0)
            q <= 1'b1;
        else if (a == 1'b1 && q == 1'b1)
            q <= 1'b0;
    end

endmodule

module top_module (
	input clk,
	input a,
	output reg q
);

    reg state;

    always @(posedge clk) begin
        if (a == 0 && state == 0)
            q <= 1;
        else if (a == 1 && state == 0)
            q <= 0;

        state <= a;
    end

endmodule

module top_module (
	input clk,
	input a,
	output reg q
);

    reg prev_a;

    always @(posedge clk) begin
        if (a && !prev_a)
            q <= 0;
        else if (!a && !prev_a)
            q <= 1;

        prev_a <= a;
    end

endmodule

module top_module (
	input clk,
	input a,
	output reg q
);

    reg prev_a;

    always @(posedge clk) begin
        if (a == 1'b0 && prev_a == 1'b0)
            q <= 1'b1;
        else if (a == 1'b1 && prev_a == 1'b1)
            q <= 1'b0;

        prev_a <= a;
    end

endmodule

module top_module (
	input clk,
	input a,
	output reg q
);

    reg q_next;

    always @(*) begin
        if (a == 1'b0)
            q_next = 1'b1;
        else
            q_next = 1'b0;
    end

    always @(posedge clk) begin
        q <= q_next;
    end

endmodule


module top_module (
	input clk,
	input areset,
	input x,
	output reg z
);

reg [1:0] state, next_state;
parameter INIT = 2'b00, COPY = 2'b01, COMP = 2'b10;

always @(posedge clk or posedge areset) begin
    if (areset)
        state <= INIT;
    else
        state <= next_state;
end

always @(*) begin
    case (state)
        INIT: next_state = x ? COPY : INIT;
        COPY: next_state = COMP;
        COMP: next_state = COMP;
        default: next_state = INIT;
    endcase
end

always @(*) begin
    case (state)
        INIT: z = x;
        COPY: z = x;
        COMP: z = ~x;
        default: z = x;
    endcase
end

endmodule

module top_module (
	input clk,
	input areset,
	input x,
	output z
);

    reg [1:0] state, next_state;
    reg z_reg;

    parameter INIT = 2'b00,
              COPY = 2'b01,
              FLIP = 2'b10;

    always @(posedge clk or posedge areset) begin
        if (areset)
            state <= INIT;
        else
            state <= next_state;
    end

    always @(*) begin
        case (state)
            INIT: next_state = COPY;
            COPY: next_state = (x) ? FLIP : COPY;
            FLIP: next_state = FLIP;
            default: next_state = INIT;
        endcase
    end

    always @(posedge clk or posedge areset) begin
        if (areset)
            z_reg <= 0;
        else begin
            case (state)
                INIT: z_reg <= 0;
                COPY: z_reg <= x;
                FLIP: z_reg <= ~x;
            endcase
        end
    end

    assign z = z_reg;

endmodule

module top_module (
	input clk,
	input areset,
	input x,
	output z
);

reg [1:0] state, next_state;
reg z_reg;

parameter IDLE = 2'b00;
parameter COPY = 2'b01;
parameter FLIP = 2'b10;

always @(posedge clk or posedge areset) begin
    if (areset)
        state <= IDLE;
    else
        state <= next_state;
end

always @(*) begin
    case (state)
        IDLE: next_state = COPY;
        COPY: next_state = (x) ? FLIP : COPY;
        FLIP: next_state = FLIP;
        default: next_state = IDLE;
    endcase
end

always @(posedge clk or posedge areset) begin
    if (areset)
        z_reg <= 0;
    else begin
        case (state)
            IDLE: z_reg <= 0;
            COPY: z_reg <= x;
            FLIP: z_reg <= ~x;
        endcase
    end
end

assign z = z_reg;

endmodule

module top_module (
	input clk,
	input areset,
	input x,
	output reg z
);

    reg [1:0] state, next_state;
    parameter INIT = 2'b00, COPY = 2'b01, FLIP = 2'b10;

    always @(posedge clk or posedge areset) begin
        if (areset)
            state <= INIT;
        else
            state <= next_state;
    end

    always @(*) begin
        case (state)
            INIT: next_state = x ? COPY : INIT;
            COPY: next_state = FLIP;
            FLIP: next_state = FLIP;
            default: next_state = INIT;
        endcase
    end

    always @(posedge clk or posedge areset) begin
        if (areset)
            z <= 0;
        else begin
            case (state)
                INIT: z <= x;
                COPY: z <= x;
                FLIP: z <= ~x;
            endcase
        end
    end

endmodule

module top_module (
    input clk,
    input areset,
    input x,
    output reg z
);

    reg [1:0] state, next_state;
    parameter IDLE = 2'b00, COPY = 2'b01, FLIP = 2'b10;

    always @(posedge clk or posedge areset) begin
        if (areset)
            state <= IDLE;
        else
            state <= next_state;
    end

    always @(*) begin
        case (state)
            IDLE: next_state = COPY;
            COPY: next_state = (x) ? FLIP : COPY;
            FLIP: next_state = FLIP;
            default: next_state = IDLE;
        endcase
    end

    always @(posedge clk or posedge areset) begin
        if (areset)
            z <= 0;
        else begin
            case (state)
                IDLE: z <= 0;
                COPY: z <= x;
                FLIP: z <= ~x;
            endcase
        end
    end

endmodule

module top_module (
	input clk,
	input areset,
	input x,
	output z
);

reg [1:0] state, next_state;
reg z_reg;

parameter IDLE = 2'b00,
          COPY = 2'b01,
          COMPLEMENT = 2'b10;

always @(posedge clk or posedge areset) begin
    if (areset)
        state <= IDLE;
    else
        state <= next_state;
end

always @(*) begin
    case (state)
        IDLE: next_state = COPY;
        COPY: next_state = (x) ? COMPLEMENT : COPY;
        COMPLEMENT: next_state = COMPLEMENT;
        default: next_state = IDLE;
    endcase
end

always @(posedge clk or posedge areset) begin
    if (areset)
        z_reg <= 1'b0;
    else begin
        case (state)
            IDLE: z_reg <= 1'b0;
            COPY: z_reg <= x;
            COMPLEMENT: z_reg <= ~x;
            default: z_reg <= 1'b0;
        endcase
    end
end

assign z = z_reg;

endmodule

module top_module (
	input clk,
	input areset,
	input x,
	output reg z
);

    reg state;
    parameter COPY = 1'b0, FLIP = 1'b1;

    always @(posedge clk or posedge areset) begin
        if (areset) begin
            state <= COPY;
            z <= 0;
        end else begin
            case (state)
                COPY: begin
                    z <= x;
                    if (x)
                        state <= FLIP;
                end
                FLIP: begin
                    z <= ~x;
                end
            endcase
        end
    end

endmodule

module top_module (
    input clk,
    input areset,
    input x,
    output reg z
);

    reg state;
    parameter COPY = 1'b0, INVERT = 1'b1;

    always @(posedge clk or posedge areset) begin
        if (areset) begin
            state <= COPY;
            z <= 0;
        end else begin
            case (state)
                COPY: begin
                    z <= x;
                    if (x)
                        state <= INVERT;
                end
                INVERT: begin
                    z <= ~x;
                end
            endcase
        end
    end

endmodule

module top_module (
	input clk,
	input areset,
	input x,
	output z
);

    reg [1:0] state, next_state;
    reg z_reg;

    parameter IDLE = 2'b00,
              COPY = 2'b01,
              FLIP = 2'b10;

    always @(posedge clk or posedge areset) begin
        if (areset)
            state <= IDLE;
        else
            state <= next_state;
    end

    always @(*) begin
        case (state)
            IDLE: next_state = COPY;
            COPY: next_state = (x) ? FLIP : COPY;
            FLIP: next_state = FLIP;
            default: next_state = IDLE;
        endcase
    end

    always @(posedge clk or posedge areset) begin
        if (areset)
            z_reg <= 1'b0;
        else begin
            case (state)
                IDLE: z_reg <= 1'b0;
                COPY: z_reg <= x;
                FLIP: z_reg <= ~x;
            endcase
        end
    end

    assign z = z_reg;

endmodule

module top_module (
	input clk,
	input areset,
	input x,
	output z
);

reg state, next_state;
reg z_reg;

parameter COPY = 1'b0;
parameter FLIP = 1'b1;

always @(posedge clk or posedge areset) begin
    if (areset)
        state <= COPY;
    else
        state <= next_state;
end

always @(*) begin
    case (state)
        COPY: next_state = (x == 1) ? FLIP : COPY;
        FLIP: next_state = FLIP;
    endcase
end

always @(posedge clk or posedge areset) begin
    if (areset)
        z_reg <= 1'b0;
    else
        case (state)
            COPY: z_reg <= x;
            FLIP: z_reg <= ~x;
        endcase
end

assign z = z_reg;

endmodule

module top_module (
	input clk,
	input areset,
	input x,
	output z
);

    reg [1:0] state, next_state;
    reg z_reg;

    parameter IDLE = 2'b00,
              COPY = 2'b01,
              COMP = 2'b10;

    always @(posedge clk or posedge areset) begin
        if (areset)
            state <= IDLE;
        else
            state <= next_state;
    end

    always @(*) begin
        case (state)
            IDLE: next_state = COPY;
            COPY: next_state = (x) ? COMP : COPY;
            COMP: next_state = COMP;
            default: next_state = IDLE;
        endcase
    end

    always @(posedge clk or posedge areset) begin
        if (areset)
            z_reg <= 0;
        else begin
            case (state)
                IDLE: z_reg <= 0;
                COPY: z_reg <= x;
                COMP: z_reg <= ~x;
            endcase
        end
    end

    assign z = z_reg;

endmodule

module top_module (
	input clk,
	input areset,
	input x,
	output z
);

    reg z;
    reg state;

    parameter COPY = 1'b0, COMPLEMENT = 1'b1;

    always @(posedge clk or posedge areset) begin
        if (areset) begin
            state <= COPY;
            z <= 0;
        end else begin
            case (state)
                COPY: begin
                    z <= x;
                    if (x == 1'b1)
                        state <= COMPLEMENT;
                end
                COMPLEMENT: begin
                    z <= ~x;
                end
            endcase
        end
    end

endmodule

module top_module (
	input clk,
	input areset,
	input x,
	output z
);

reg z;
reg state;

parameter COPY = 1'b0;
parameter FLIP = 1'b1;

always @(posedge clk or posedge areset) begin
    if (areset) begin
        state <= COPY;
        z <= 1'b0;
    end else begin
        case (state)
            COPY: begin
                z <= x;
                if (x)
                    state <= FLIP;
            end
            FLIP: begin
                z <= ~x;
            end
        endcase
    end
end

endmodule

module top_module (
	input clk,
	input areset,
	input x,
	output z
);

reg state, next_state;
reg output_bit;

parameter COPY = 1'b0, INVERT = 1'b1;

always @(posedge clk or posedge areset) begin
    if (areset)
        state <= COPY;
    else
        state <= next_state;
end

always @(*) begin
    case (state)
        COPY: next_state = x ? INVERT : COPY;
        INVERT: next_state = INVERT;
    endcase
end

always @(*) begin
    case (state)
        COPY: output_bit = x;
        INVERT: output_bit = ~x;
    endcase
end

assign z = output_bit;

endmodule

module top_module (
	input clk,
	input areset,
	input x,
	output reg z
);

    reg state;
    parameter COPY = 1'b0, COMPLEMENT = 1'b1;

    always @(posedge clk or posedge areset) begin
        if (areset) begin
            state <= COPY;
            z <= 0;
        end else begin
            case (state)
                COPY: begin
                    z <= x;
                    if (x)
                        state <= COMPLEMENT;
                end
                COMPLEMENT: begin
                    z <= ~x;
                end
            endcase
        end
    end

endmodule

module top_module (
	input clk,
	input areset,
	input x,
	output z
);

    reg [1:0] state, next_state;
    reg z_reg;

    parameter IDLE = 2'b00,
              COPY = 2'b01,
              FLIP = 2'b10;

    always @(posedge clk or posedge areset) begin
        if (areset)
            state <= IDLE;
        else
            state <= next_state;
    end

    always @(*) begin
        case (state)
            IDLE: next_state = COPY;
            COPY: next_state = (x) ? FLIP : COPY;
            FLIP: next_state = FLIP;
            default: next_state = IDLE;
        endcase
    end

    always @(posedge clk or posedge areset) begin
        if (areset)
            z_reg <= 0;
        else begin
            case (state)
                IDLE: z_reg <= 0;
                COPY: z_reg <= x;
                FLIP: z_reg <= ~x;
            endcase
        end
    end

    assign z = z_reg;

endmodule

module top_module (
	input clk,
	input areset,
	input x,
	output z
);

    reg [1:0] state, next_state;
    reg z_reg;

    parameter IDLE = 2'b00;
    parameter COPY = 2'b01;
    parameter COMPLEMENT = 2'b10;

    always @(posedge clk or posedge areset) begin
        if (areset)
            state <= IDLE;
        else
            state <= next_state;
    end

    always @(*) begin
        case (state)
            IDLE: next_state = COPY;
            COPY: begin
                if (x)
                    next_state = COMPLEMENT;
                else
                    next_state = COPY;
            end
            COMPLEMENT: next_state = COMPLEMENT;
            default: next_state = IDLE;
        endcase
    end

    always @(posedge clk or posedge areset) begin
        if (areset)
            z_reg <= 1'b0;
        else begin
            case (state)
                IDLE: z_reg <= 1'b0;
                COPY: z_reg <= x;
                COMPLEMENT: z_reg <= ~x;
                default: z_reg <= 1'b0;
            endcase
        end
    end

    assign z = z_reg;

endmodule

module top_module (
	input clk,
	input areset,
	input x,
	output reg z
);

	localparam INIT = 2'b00;
	localparam COPY = 2'b01;
	localparam COMP = 2'b10;

	reg [1:0] state, next_state;
	reg first_one;

	always @(posedge clk or posedge areset) begin
		if (areset) begin
			state <= INIT;
			first_one <= 0;
		end else begin
			state <= next_state;
			if (state == COPY && x == 1)
				first_one <= 1;
		end
	end

	always @(*) begin
		case (state)
			INIT: next_state = COPY;
			COPY: next_state = (x == 1 && !first_one) ? COMP : COPY;
			COMP: next_state = COMP;
			default: next_state = INIT;
		endcase
	end

	always @(*) begin
		case (state)
			INIT: z = 0;
			COPY: z = x;
			COMP: z = ~x;
			default: z = 0;
		endcase
	end

endmodule


module top_module (
	input clk,
	input in,
	input areset,
	output out
);

	parameter A = 2'b00, B = 2'b01, C = 2'b10, D = 2'b11;

	reg [1:0] state, next_state;

	always @(posedge clk or posedge areset) begin
		if (areset)
			state <= A;
		else
			state <= next_state;
	end

	always @(*) begin
		case (state)
			A: next_state = in ? B : A;
			B: next_state = in ? B : C;
			C: next_state = in ? D : A;
			D: next_state = in ? B : C;
			default: next_state = A;
		endcase
	end

	assign out = (state == D);

endmodule

module top_module (
	input clk,
	input in,
	input areset,
	output out
);

reg [1:0] state, next_state;

parameter A = 2'b00, B = 2'b01, C = 2'b10, D = 2'b11;

always @(posedge clk or posedge areset) begin
    if (areset)
        state <= A;
    else
        state <= next_state;
end

always @(*) begin
    case (state)
        A: next_state = in ? B : A;
        B: next_state = in ? B : C;
        C: next_state = in ? D : A;
        D: next_state = in ? B : C;
        default: next_state = A;
    endcase
end

assign out = (state == D);

endmodule

module top_module (
	input clk,
	input in,
	input areset,
	output out
);

	parameter A = 2'b00, B = 2'b01, C = 2'b10, D = 2'b11;
	reg [1:0] state, next_state;

	always @(posedge clk or posedge areset) begin
		if (areset)
			state <= A;
		else
			state <= next_state;
	end

	always @(*) begin
		case (state)
			A: next_state = in ? B : A;
			B: next_state = in ? B : C;
			C: next_state = in ? D : A;
			D: next_state = in ? B : C;
		endcase
	end

	assign out = (state == D);

endmodule


module top_module (
	input [31:0] in,
	output [31:0] out
);

    assign out[31:24] = in[7:0];
    assign out[23:16] = in[15:8];
    assign out[15:8] = in[23:16];
    assign out[7:0] = in[31:24];

endmodule

module top_module (
	input [31:0] in,
	output [31:0] out
);

    assign out = {in[7:0], in[15:8], in[23:16], in[31:24]};

endmodule


module top_module (
	input clk,
	input d,
	input r,
	output logic q
);

always_ff @(posedge clk) begin
    if (r)
        q <= 1'b0;
    else
        q <= d;
end

endmodule


module top_module(
	input x,
	input y,
	output z
);

	assign z = (x ^ y) & x;

endmodule

module top_module(
	input x,
	input y,
	output z
);

	wire xor_result;

	assign xor_result = x ^ y;
	assign z = xor_result & x;

endmodule

module top_module(
	input x,
	input y,
	output z);

	wire xor_out;

	assign xor_out = x ^ y;
	assign z = xor_out & x;

endmodule

module top_module(
	input x,
	input y,
	output z
);

	wire xor_out;

	assign xor_out = x ^ y;
	assign z = xor_out & x;

endmodule

module top_module(
	input x,
	input y,
	output z);

    assign z = (x ^ y) & x;

endmodule


module top_module(
	input clk,
	input load,
	input ena,
	input [1:0] amount,
	input [63:0] data,
	output reg [63:0] q);

    always @(posedge clk) begin
        if (load)
            q <= data;
        else if (ena) begin
            case (amount)
                2'b00: q <= {q[62:0], 1'b0};                 // Shift left by 1 bit
                2'b01: q <= {q[55:0], 8'b0};                 // Shift left by 8 bits
                2'b10: q <= {q[63], q[63:1]};                // Arithmetic shift right by 1 bit
                2'b11: q <= {{8{q[63]}}, q[63:8]};           // Arithmetic shift right by 8 bits
            endcase
        end
    end

endmodule

module top_module(
	input clk,
	input load,
	input ena,
	input [1:0] amount,
	input [63:0] data,
	output reg [63:0] q);

    always @(posedge clk) begin
        if (load)
            q <= data;
        else if (ena) begin
            case (amount)
                2'b00: q <= {q[62:0], 1'b0};           // Left shift by 1
                2'b01: q <= {q[55:0], 8'b0};           // Left shift by 8
                2'b10: q <= {q[63], q[63:1]};          // Arithmetic right shift by 1
                2'b11: q <= {{8{q[63]}}, q[63:8]};     // Arithmetic right shift by 8
            endcase
        end
    end

endmodule

module top_module(
	input clk,
	input load,
	input ena,
	input [1:0] amount,
	input [63:0] data,
	output reg [63:0] q);

    always @(posedge clk) begin
        if (load)
            q <= data;
        else if (ena) begin
            case (amount)
                2'b00: q <= {q[62:0], 1'b0};           // Left shift by 1
                2'b01: q <= {q[55:0], 8'b0};           // Left shift by 8
                2'b10: q <= {q[63], q[63:1]};          // Right shift by 1 (arithmetic)
                2'b11: q <= {{8{q[63]}}, q[63:8]};     // Right shift by 8 (arithmetic)
            endcase
        end
    end

endmodule

module top_module(
	input clk,
	input load,
	input ena,
	input [1:0] amount,
	input [63:0] data,
	output reg [63:0] q);

    always @(posedge clk) begin
        if (load)
            q <= data;
        else if (ena) begin
            case (amount)
                2'b00: q <= {q[62:0], 1'b0};        // shift left by 1 bit
                2'b01: q <= {q[55:0], 8'b0};        // shift left by 8 bits
                2'b10: q <= {q[63], q[63:1]};       // arithmetic shift right by 1 bit
                2'b11: q <= {{8{q[63]}}, q[63:8]};  // arithmetic shift right by 8 bits
            endcase
        end
    end

endmodule

module top_module(
    input clk,
    input load,
    input ena,
    input [1:0] amount,
    input [63:0] data,
    output reg [63:0] q
);

    always @(posedge clk) begin
        if (load)
            q <= data;
        else if (ena) begin
            case (amount)
                2'b00: q <= {q[62:0], 1'b0};          // Left shift by 1
                2'b01: q <= {q[55:0], 8'b0};          // Left shift by 8
                2'b10: q <= {q[63], q[63:1]};         // Arithmetic right shift by 1
                2'b11: q <= {{8{q[63]}}, q[63:8]};    // Arithmetic right shift by 8
            endcase
        end
    end

endmodule


module top_module (
	input clk,
	input aresetn,
	input x,
	output reg z
);

    parameter S0 = 2'b00, S1 = 2'b01, S2 = 2'b10;
    reg [1:0] state, next_state;

    always @(posedge clk or negedge aresetn) begin
        if (!aresetn)
            state <= S0;
        else
            state <= next_state;
    end

    always @(*) begin
        next_state = state;
        z = 1'b0;
        case (state)
            S0: begin
                if (x)
                    next_state = S1;
            end
            S1: begin
                if (!x)
                    next_state = S2;
                else
                    next_state = S1;
            end
            S2: begin
                if (x) begin
                    next_state = S1;
                    z = 1'b1;
                end
                else
                    next_state = S0;
            end
        endcase
    end

endmodule

module top_module (
	input clk,
	input aresetn,
	input x,
	output reg z
);

    reg [1:0] state, next_state;

    parameter S0 = 2'b00,
              S1 = 2'b01,
              S2 = 2'b10;

    always @(posedge clk or negedge aresetn) begin
        if (!aresetn)
            state <= S0;
        else
            state <= next_state;
    end

    always @(*) begin
        next_state = state;
        z = 1'b0;

        case (state)
            S0: begin
                if (x)
                    next_state = S1;
            end
            S1: begin
                if (!x)
                    next_state = S2;
                else
                    next_state = S1;
            end
            S2: begin
                if (x) begin
                    next_state = S1;
                    z = 1'b1;
                end
                else
                    next_state = S0;
            end
        endcase
    end

endmodule

module top_module (
	input clk,
	input aresetn,
	input x,
	output reg z
);

    reg [1:0] state, next_state;

    parameter S0 = 2'b00;
    parameter S1 = 2'b01;
    parameter S2 = 2'b10;

    always @(posedge clk or negedge aresetn) begin
        if (!aresetn)
            state <= S0;
        else
            state <= next_state;
    end

    always @(*) begin
        next_state = state;
        z = 1'b0;

        case (state)
            S0: begin
                if (x)
                    next_state = S1;
            end
            S1: begin
                if (!x)
                    next_state = S2;
                else
                    next_state = S1;
            end
            S2: begin
                if (x) begin
                    next_state = S1;
                    z = 1'b1;
                end
                else
                    next_state = S0;
            end
        endcase
    end

endmodule

module top_module (
	input clk,
	input aresetn,
	input x,
	output reg z
);

    reg [1:0] state, next_state;
    parameter S0 = 2'b00, S1 = 2'b01, S2 = 2'b10;

    always @(posedge clk or negedge aresetn) begin
        if (~aresetn)
            state <= S0;
        else
            state <= next_state;
    end

    always @(*) begin
        case (state)
            S0: next_state = x ? S1 : S0;
            S1: next_state = x ? S1 : S2;
            S2: next_state = x ? S1 : S0;
            default: next_state = S0;
        endcase
    end

    always @(*) begin
        z = (state == S2) && x;
    end

endmodule

module top_module (
	input clk,
	input aresetn,
	input x,
	output reg z
);

    reg [1:0] state, next_state;
    parameter S0 = 2'b00, S1 = 2'b01, S2 = 2'b10;

    always @(posedge clk or negedge aresetn) begin
        if (!aresetn)
            state <= S0;
        else
            state <= next_state;
    end

    always @(*) begin
        case (state)
            S0: next_state = x ? S1 : S0;
            S1: next_state = x ? S1 : S2;
            S2: next_state = x ? S1 : S0;
            default: next_state = S0;
        endcase
    end

    always @(*) begin
        z = (state == S2) && x;
    end

endmodule

module top_module (
	input clk,
	input aresetn,
	input x,
	output reg z
);

    parameter S0 = 2'b00, S1 = 2'b01, S2 = 2'b10;
    reg [1:0] current_state, next_state;

    always @(posedge clk or negedge aresetn) begin
        if (!aresetn)
            current_state <= S0;
        else
            current_state <= next_state;
    end

    always @(*) begin
        case (current_state)
            S0: next_state = x ? S1 : S0;
            S1: next_state = x ? S1 : S2;
            S2: next_state = x ? S1 : S0;
            default: next_state = S0;
        endcase
    end

    always @(*) begin
        z = (current_state == S2) && x;
    end

endmodule

module top_module (
	input clk,
	input aresetn,
	input x,
	output reg z
);

    reg [1:0] state, next_state;

    parameter S0 = 2'b00,
              S1 = 2'b01,
              S2 = 2'b10;

    always @(posedge clk or negedge aresetn) begin
        if (!aresetn)
            state <= S0;
        else
            state <= next_state;
    end

    always @(*) begin
        next_state = state;
        z = 1'b0;
        case (state)
            S0: if (x) next_state = S1;
            S1: if (!x) next_state = S2;
            S2: begin
                if (x) begin
                    next_state = S1;
                    z = 1'b1;
                end
                else next_state = S0;
            end
        endcase
    end

endmodule

module top_module (
	input clk,
	input aresetn,
	input x,
	output reg z
);

    parameter S0 = 2'b00, S1 = 2'b01, S2 = 2'b10;
    reg [1:0] state, next_state;

    always @(posedge clk or negedge aresetn) begin
        if (!aresetn)
            state <= S0;
        else
            state <= next_state;
    end

    always @(*) begin
        next_state = state;
        z = 1'b0;
        case (state)
            S0: if (x) next_state = S1;
            S1: if (!x) next_state = S2;
            S2: begin
                if (x) begin
                    next_state = S1;
                    z = 1'b1;
                end else begin
                    next_state = S0;
                end
            end
        endcase
    end

endmodule

module top_module (
	input clk,
	input aresetn,
	input x,
	output reg z
);

    parameter S0 = 2'b00, S1 = 2'b01, S2 = 2'b10;
    reg [1:0] current_state, next_state;

    always @(posedge clk or negedge aresetn) begin
        if (!aresetn)
            current_state <= S0;
        else
            current_state <= next_state;
    end

    always @(*) begin
        case (current_state)
            S0: next_state = x ? S1 : S0;
            S1: next_state = x ? S1 : S2;
            S2: next_state = x ? S1 : S0;
            default: next_state = S0;
        endcase
    end

    always @(*) begin
        z = (current_state == S2 && x == 1);
    end

endmodule

module top_module (
	input clk,
	input aresetn,
	input x,
	output reg z
);

    parameter S0 = 2'b00, S1 = 2'b01, S2 = 2'b10;
    reg [1:0] current_state, next_state;

    always @(posedge clk or negedge aresetn) begin
        if (!aresetn)
            current_state <= S0;
        else
            current_state <= next_state;
    end

    always @(*) begin
        next_state = current_state;
        z = 1'b0;
        case (current_state)
            S0: begin
                if (x)
                    next_state = S1;
            end
            S1: begin
                if (!x)
                    next_state = S2;
                else
                    next_state = S1;
            end
            S2: begin
                if (x) begin
                    next_state = S1;
                    z = 1'b1;
                end
                else
                    next_state = S0;
            end
        endcase
    end

endmodule


module top_module (
	input clk,
	input reset,
	input w,
	output z
);

    reg [2:0] state, next_state;
    parameter A = 3'b000, B = 3'b001, C = 3'b010, D = 3'b011, E = 3'b100, F = 3'b101;

    always @(posedge clk or posedge reset) begin
        if (reset)
            state <= A;
        else
            state <= next_state;
    end

    always @(*) begin
        case (state)
            A: next_state = w ? A : B;
            B: next_state = w ? D : C;
            C: next_state = w ? D : E;
            D: next_state = w ? A : F;
            E: next_state = w ? D : E;
            F: next_state = w ? D : C;
            default: next_state = A;
        endcase
    end

    assign z = (state == E) || (state == F);

endmodule

module top_module (
	input clk,
	input reset,
	input w,
	output z
);

    parameter A = 3'b000, B = 3'b001, C = 3'b010, D = 3'b011, E = 3'b100, F = 3'b101;
    reg [2:0] state, next_state;

    always @(posedge clk or posedge reset) begin
        if (reset)
            state <= A;
        else
            state <= next_state;
    end

    always @(*) begin
        case (state)
            A: next_state = w ? A : B;
            B: next_state = w ? D : C;
            C: next_state = w ? D : E;
            D: next_state = w ? A : F;
            E: next_state = w ? D : E;
            F: next_state = w ? D : C;
            default: next_state = A;
        endcase
    end

    assign z = (state == E) || (state == F);

endmodule

module top_module (
	input clk,
	input reset,
	input w,
	output z
);

    localparam A = 3'b000, B = 3'b001, C = 3'b010, D = 3'b011, E = 3'b100, F = 3'b101;
    reg [2:0] state, next_state;

    always @(posedge clk or posedge reset) begin
        if (reset)
            state <= A;
        else
            state <= next_state;
    end

    always @(*) begin
        case (state)
            A: next_state = w ? A : B;
            B: next_state = w ? D : C;
            C: next_state = w ? D : E;
            D: next_state = w ? A : F;
            E: next_state = w ? D : E;
            F: next_state = w ? D : C;
            default: next_state = A;
        endcase
    end

    assign z = (state == E) || (state == F);

endmodule


module top_module (
	input clk,
	input [7:0] in,
	input reset,
	output reg [23:0] out_bytes,
	output reg done
);

reg [1:0] state;
reg [1:0] byte_count;
reg [23:0] message_buffer;

localparam IDLE = 2'b00;
localparam RECEIVE = 2'b01;
localparam COMPLETE = 2'b10;

always @(posedge clk) begin
    if (reset) begin
        state <= IDLE;
        byte_count <= 2'b00;
        message_buffer <= 24'b0;
        done <= 1'b0;
        out_bytes <= 24'b0;
    end else begin
        case (state)
            IDLE: begin
                done <= 1'b0;
                if (in[3]) begin
                    state <= RECEIVE;
                    byte_count <= 2'b01;
                    message_buffer[23:16] <= in;
                end
            end
            RECEIVE: begin
                if (byte_count == 2'b01) begin
                    message_buffer[15:8] <= in;
                    byte_count <= 2'b10;
                end else if (byte_count == 2'b10) begin
                    message_buffer[7:0] <= in;
                    state <= COMPLETE;
                end
            end
            COMPLETE: begin
                out_bytes <= message_buffer;
                done <= 1'b1;
                state <= IDLE;
            end
        endcase
    end
end

endmodule

module top_module (
	input clk,
	input [7:0] in,
	input reset,
	output reg [23:0] out_bytes,
	output reg done
);

    reg [1:0] state, next_state;
    reg [23:0] buffer;
    reg [1:0] byte_count;

    localparam IDLE = 2'b00, COLLECT = 2'b01, FINISH = 2'b10;

    always @(posedge clk) begin
        if (reset) begin
            state <= IDLE;
            buffer <= 24'b0;
            byte_count <= 2'b0;
            done <= 1'b0;
        end else begin
            state <= next_state;
            if (state == COLLECT) begin
                buffer <= {buffer[15:0], in};
                byte_count <= byte_count + 1'b1;
            end
            if (state == FINISH) begin
                out_bytes <= buffer;
                done <= 1'b1;
            end else begin
                done <= 1'b0;
            end
        end
    end

    always @(*) begin
        case (state)
            IDLE: next_state = (in[3]) ? COLLECT : IDLE;
            COLLECT: begin
                if (byte_count == 2'b10)
                    next_state = FINISH;
                else
                    next_state = COLLECT;
            end
            FINISH: next_state = (in[3]) ? COLLECT : IDLE;
            default: next_state = IDLE;
        endcase
    end

endmodule

module top_module (
	input clk,
	input [7:0] in,
	input reset,
	output [23:0] out_bytes,
	output done
);

    reg [1:0] state, next_state;
    reg [23:0] message;
    reg [1:0] byte_count;

    parameter IDLE = 2'b00, COLLECT = 2'b01, FINISH = 2'b10;

    always @(posedge clk) begin
        if (reset) begin
            state <= IDLE;
            message <= 24'b0;
            byte_count <= 2'b0;
        end else begin
            state <= next_state;
            if (state == COLLECT) begin
                message <= {message[15:0], in};
                byte_count <= byte_count + 1'b1;
            end
        end
    end

    always @(*) begin
        case (state)
            IDLE: next_state = (in[3]) ? COLLECT : IDLE;
            COLLECT: next_state = (byte_count == 2'b10) ? FINISH : COLLECT;
            FINISH: next_state = (in[3]) ? COLLECT : IDLE;
            default: next_state = IDLE;
        endcase
    end

    assign done = (state == FINISH);
    assign out_bytes = (state == FINISH) ? message : 24'bx;

endmodule

module top_module (
	input clk,
	input [7:0] in,
	input reset,
	output reg [23:0] out_bytes,
	output reg done
);

    reg [1:0] state;
    reg [1:0] byte_count;
    reg [23:0] message;

    localparam IDLE = 2'b00;
    localparam COLLECT = 2'b01;
    localparam FINISH = 2'b10;

    always @(posedge clk) begin
        if (reset) begin
            state <= IDLE;
            byte_count <= 0;
            message <= 0;
            done <= 0;
            out_bytes <= 0;
        end else begin
            case (state)
                IDLE: begin
                    done <= 0;
                    if (in[3]) begin
                        state <= COLLECT;
                        byte_count <= 1;
                        message[23:16] <= in;
                    end
                end

                COLLECT: begin
                    if (byte_count == 1) begin
                        message[15:8] <= in;
                        byte_count <= 2;
                    end else if (byte_count == 2) begin
                        message[7:0] <= in;
                        state <= FINISH;
                    end
                end

                FINISH: begin
                    out_bytes <= message;
                    done <= 1;
                    state <= IDLE;
                end

                default: state <= IDLE;
            endcase
        end
    end

endmodule

module top_module (
	input clk,
	input [7:0] in,
	input reset,
	output reg [23:0] out_bytes,
	output reg done
);

    reg [1:0] state;
    reg [1:0] byte_count;
    reg [23:0] message;

    localparam IDLE = 2'b00;
    localparam COLLECT = 2'b01;
    localparam COMPLETE = 2'b10;

    always @(posedge clk) begin
        if (reset) begin
            state <= IDLE;
            byte_count <= 2'b00;
            message <= 24'b0;
            done <= 1'b0;
            out_bytes <= 24'b0;
        end else begin
            case (state)
                IDLE: begin
                    done <= 1'b0;
                    if (in[3]) begin
                        state <= COLLECT;
                        byte_count <= 2'b01;
                        message[23:16] <= in;
                    end
                end
                COLLECT: begin
                    if (byte_count == 2'b01) begin
                        message[15:8] <= in;
                        byte_count <= 2'b10;
                    end else if (byte_count == 2'b10) begin
                        message[7:0] <= in;
                        state <= COMPLETE;
                    end
                end
                COMPLETE: begin
                    out_bytes <= message;
                    done <= 1'b1;
                    state <= IDLE;
                end
            endcase
        end
    end

endmodule

module top_module (
	input clk,
	input [7:0] in,
	input reset,
	output reg [23:0] out_bytes,
	output reg done
);

reg [1:0] state;
reg [7:0] byte1, byte2;

parameter IDLE = 2'b00, BYTE1 = 2'b01, BYTE2 = 2'b10, BYTE3 = 2'b11;

always @(posedge clk) begin
    if (reset) begin
        state <= IDLE;
        done <= 0;
        out_bytes <= 24'b0;
    end else begin
        case (state)
            IDLE: begin
                done <= 0;
                if (in[3]) begin
                    state <= BYTE1;
                    byte1 <= in;
                end
            end
            BYTE1: begin
                state <= BYTE2;
                byte2 <= in;
            end
            BYTE2: begin
                state <= BYTE3;
                out_bytes <= {byte1, byte2, in};
            end
            BYTE3: begin
                done <= 1;
                state <= IDLE;
            end
        endcase
    end
end

endmodule

module top_module (
	input clk,
	input [7:0] in,
	input reset,
	output [23:0] out_bytes,
	output done
);

    reg [1:0] state, next_state;
    reg [23:0] message;
    reg [1:0] byte_count;

    parameter IDLE = 2'b00, COLLECT = 2'b01, DONE = 2'b10;

    always @(posedge clk) begin
        if (reset) begin
            state <= IDLE;
            message <= 24'b0;
            byte_count <= 2'b0;
        end else begin
            state <= next_state;
            if (state == COLLECT) begin
                message <= {message[15:0], in};
                byte_count <= byte_count + 1'b1;
            end
        end
    end

    always @(*) begin
        case (state)
            IDLE: next_state = (in[3]) ? COLLECT : IDLE;
            COLLECT: begin
                if (byte_count == 2'b10)
                    next_state = DONE;
                else
                    next_state = COLLECT;
            end
            DONE: next_state = (in[3]) ? COLLECT : IDLE;
            default: next_state = IDLE;
        endcase
    end

    assign done = (state == DONE);
    assign out_bytes = (state == DONE) ? message : 24'bx;

endmodule

module top_module (
	input clk,
	input [7:0] in,
	input reset,
	output reg [23:0] out_bytes,
	output reg done
);

    reg [1:0] state, next_state;
    reg [23:0] buffer;
    reg [1:0] byte_count;

    localparam IDLE = 2'b00, RECEIVE = 2'b01, COMPLETE = 2'b10;

    always @(posedge clk) begin
        if (reset) begin
            state <= IDLE;
            buffer <= 24'b0;
            byte_count <= 2'b0;
            done <= 1'b0;
        end else begin
            state <= next_state;
            if (state == RECEIVE) begin
                buffer <= {buffer[15:0], in};
                byte_count <= byte_count + 1'b1;
            end
            if (state == COMPLETE) begin
                out_bytes <= buffer;
                done <= 1'b1;
            end else begin
                done <= 1'b0;
            end
        end
    end

    always @(*) begin
        case (state)
            IDLE: next_state = (in[3]) ? RECEIVE : IDLE;
            RECEIVE: begin
                if (byte_count == 2'b10)
                    next_state = COMPLETE;
                else
                    next_state = RECEIVE;
            end
            COMPLETE: next_state = (in[3]) ? RECEIVE : IDLE;
            default: next_state = IDLE;
        endcase
    end

endmodule

module top_module (
	input clk,
	input [7:0] in,
	input reset,
	output reg [23:0] out_bytes,
	output reg done
);

    reg [1:0] state;
    reg [7:0] byte1, byte2;

    localparam IDLE = 2'b00;
    localparam BYTE1 = 2'b01;
    localparam BYTE2 = 2'b10;
    localparam BYTE3 = 2'b11;

    always @(posedge clk) begin
        if (reset) begin
            state <= IDLE;
            done <= 0;
            out_bytes <= 24'b0;
        end else begin
            case (state)
                IDLE: begin
                    done <= 0;
                    if (in[3]) begin
                        state <= BYTE1;
                        byte1 <= in;
                    end
                end
                BYTE1: begin
                    state <= BYTE2;
                    byte2 <= in;
                end
                BYTE2: begin
                    state <= BYTE3;
                    out_bytes <= {byte1, byte2, in};
                end
                BYTE3: begin
                    done <= 1;
                    state <= IDLE;
                    if (in[3]) begin
                        state <= BYTE1;
                        byte1 <= in;
                    end
                end
            endcase
        end
    end

endmodule

module top_module (
	input clk,
	input [7:0] in,
	input reset,
	output reg [23:0] out_bytes,
	output reg done
);

    reg [1:0] state, next_state;
    reg [7:0] byte1, byte2;

    localparam IDLE = 2'b00,
               BYTE1 = 2'b01,
               BYTE2 = 2'b10,
               BYTE3 = 2'b11;

    always @(posedge clk) begin
        if (reset) begin
            state <= IDLE;
            out_bytes <= 24'b0;
            done <= 1'b0;
            byte1 <= 8'b0;
            byte2 <= 8'b0;
        end else begin
            state <= next_state;
            case (state)
                BYTE1: byte1 <= in;
                BYTE2: byte2 <= in;
                BYTE3: begin
                    out_bytes <= {byte1, byte2, in};
                    done <= 1'b1;
                end
                default: done <= 1'b0;
            endcase
        end
    end

    always @(*) begin
        case (state)
            IDLE: next_state = (in[3]) ? BYTE1 : IDLE;
            BYTE1: next_state = BYTE2;
            BYTE2: next_state = BYTE3;
            BYTE3: next_state = (in[3]) ? BYTE1 : IDLE;
            default: next_state = IDLE;
        endcase
    end

endmodule

module top_module (
	input clk,
	input [7:0] in,
	input reset,
	output reg [23:0] out_bytes,
	output reg done
);

    reg [1:0] state;
    reg [1:0] byte_count;
    reg [23:0] message_buffer;

    localparam IDLE = 2'b00, RECEIVE = 2'b01, COMPLETE = 2'b10;

    always @(posedge clk) begin
        if (reset) begin
            state <= IDLE;
            byte_count <= 2'b00;
            message_buffer <= 24'b0;
            done <= 1'b0;
            out_bytes <= 24'b0;
        end else begin
            case (state)
                IDLE: begin
                    done <= 1'b0;
                    if (in[3]) begin
                        state <= RECEIVE;
                        byte_count <= 2'b01;
                        message_buffer[23:16] <= in;
                    end
                end
                RECEIVE: begin
                    if (byte_count == 2'b01) begin
                        message_buffer[15:8] <= in;
                        byte_count <= 2'b10;
                    end else if (byte_count == 2'b10) begin
                        message_buffer[7:0] <= in;
                        state <= COMPLETE;
                    end
                end
                COMPLETE: begin
                    out_bytes <= message_buffer;
                    done <= 1'b1;
                    state <= IDLE;
                end
            endcase
        end
    end

endmodule

module top_module (
	input clk,
	input [7:0] in,
	input reset,
	output reg [23:0] out_bytes,
	output reg done
);

    reg [1:0] state, next_state;
    reg [23:0] buffer;
    reg [1:0] byte_count;

    localparam IDLE = 2'b00, COLLECT = 2'b01, FINISH = 2'b10;

    always @(posedge clk) begin
        if (reset) begin
            state <= IDLE;
            buffer <= 24'b0;
            byte_count <= 2'b0;
            done <= 1'b0;
            out_bytes <= 24'b0;
        end else begin
            state <= next_state;
            if (state == COLLECT) begin
                buffer <= {buffer[15:0], in};
                byte_count <= byte_count + 1'b1;
            end
            if (state == FINISH) begin
                out_bytes <= buffer;
                done <= 1'b1;
            end else begin
                done <= 1'b0;
            end
        end
    end

    always @(*) begin
        case (state)
            IDLE: next_state = (in[3]) ? COLLECT : IDLE;
            COLLECT: begin
                if (byte_count == 2'b10)
                    next_state = FINISH;
                else
                    next_state = COLLECT;
            end
            FINISH: next_state = (in[3]) ? COLLECT : IDLE;
            default: next_state = IDLE;
        endcase
    end

endmodule

module top_module (
	input clk,
	input [7:0] in,
	input reset,
	output [23:0] out_bytes,
	output done
);

    reg [1:0] state, next_state;
    reg [23:0] message;
    reg [1:0] byte_count;

    localparam IDLE = 2'b00;
    localparam COLLECT = 2'b01;
    localparam FINISH = 2'b10;

    always @(posedge clk) begin
        if (reset) begin
            state <= IDLE;
            message <= 24'b0;
            byte_count <= 2'b0;
        end else begin
            state <= next_state;
            if (state == COLLECT) begin
                message <= {message[15:0], in};
                byte_count <= byte_count + 1'b1;
            end
        end
    end

    always @(*) begin
        case (state)
            IDLE: next_state = (in[3]) ? COLLECT : IDLE;
            COLLECT: next_state = (byte_count == 2'b10) ? FINISH : COLLECT;
            FINISH: next_state = (in[3]) ? COLLECT : IDLE;
            default: next_state = IDLE;
        endcase
    end

    assign done = (state == FINISH);
    assign out_bytes = (state == FINISH) ? message : 24'bx;

endmodule

module top_module (
	input clk,
	input [7:0] in,
	input reset,
	output reg [23:0] out_bytes,
	output reg done
);

    reg [1:0] state;
    reg [1:0] byte_count;
    reg [23:0] message_buffer;

    localparam IDLE = 2'b00;
    localparam COLLECT = 2'b01;
    localparam DONE = 2'b10;

    always @(posedge clk) begin
        if (reset) begin
            state <= IDLE;
            byte_count <= 2'b00;
            message_buffer <= 24'b0;
            done <= 1'b0;
            out_bytes <= 24'b0;
        end else begin
            case (state)
                IDLE: begin
                    done <= 1'b0;
                    if (in[3]) begin
                        state <= COLLECT;
                        byte_count <= 2'b01;
                        message_buffer[23:16] <= in;
                    end
                end
                COLLECT: begin
                    if (byte_count == 2'b01) begin
                        message_buffer[15:8] <= in;
                        byte_count <= 2'b10;
                    end else if (byte_count == 2'b10) begin
                        message_buffer[7:0] <= in;
                        state <= DONE;
                    end
                end
                DONE: begin
                    out_bytes <= message_buffer;
                    done <= 1'b1;
                    state <= IDLE;
                end
            endcase
        end
    end

endmodule

module top_module (
	input clk,
	input [7:0] in,
	input reset,
	output reg [23:0] out_bytes,
	output reg done
);

reg [1:0] state;
reg [1:0] byte_count;
reg [23:0] message;

parameter IDLE = 2'b00;
parameter COLLECT = 2'b01;
parameter COMPLETE = 2'b10;

always @(posedge clk) begin
    if (reset) begin
        state <= IDLE;
        byte_count <= 2'b00;
        message <= 24'b0;
        done <= 1'b0;
        out_bytes <= 24'b0;
    end else begin
        case (state)
            IDLE: begin
                done <= 1'b0;
                if (in[3]) begin
                    state <= COLLECT;
                    byte_count <= 2'b01;
                    message[23:16] <= in;
                end
            end
            COLLECT: begin
                if (byte_count == 2'b01) begin
                    message[15:8] <= in;
                    byte_count <= 2'b10;
                end else if (byte_count == 2'b10) begin
                    message[7:0] <= in;
                    state <= COMPLETE;
                end
            end
            COMPLETE: begin
                out_bytes <= message;
                done <= 1'b1;
                state <= IDLE;
            end
        endcase
    end
end

endmodule

module top_module (
	input clk,
	input [7:0] in,
	input reset,
	output reg [23:0] out_bytes,
	output reg done
);

    reg [1:0] state, next_state;
    reg [7:0] byte1, byte2;

    localparam IDLE = 2'b00;
    localparam BYTE1 = 2'b01;
    localparam BYTE2 = 2'b10;
    localparam BYTE3 = 2'b11;

    always @(posedge clk) begin
        if (reset) begin
            state <= IDLE;
            out_bytes <= 24'b0;
            done <= 1'b0;
            byte1 <= 8'b0;
            byte2 <= 8'b0;
        end else begin
            state <= next_state;
            case (state)
                IDLE: begin
                    done <= 1'b0;
                    if (in[3]) byte1 <= in;
                end
                BYTE1: begin
                    byte2 <= in;
                end
                BYTE2: begin
                    out_bytes <= {byte1, byte2, in};
                end
                BYTE3: begin
                    done <= 1'b1;
                end
            endcase
        end
    end

    always @(*) begin
        case (state)
            IDLE: next_state = in[3] ? BYTE1 : IDLE;
            BYTE1: next_state = BYTE2;
            BYTE2: next_state = BYTE3;
            BYTE3: next_state = in[3] ? BYTE1 : IDLE;
            default: next_state = IDLE;
        endcase
    end

endmodule

module top_module (
	input clk,
	input [7:0] in,
	input reset,
	output reg [23:0] out_bytes,
	output reg done
);

    reg [1:0] state, next_state;
    reg [23:0] buffer;
    reg [1:0] byte_count;

    localparam IDLE = 2'b00;
    localparam COLLECT = 2'b01;
    localparam COMPLETE = 2'b10;

    always @(posedge clk) begin
        if (reset) begin
            state <= IDLE;
            buffer <= 24'b0;
            byte_count <= 2'b0;
            done <= 1'b0;
            out_bytes <= 24'b0;
        end else begin
            state <= next_state;
            if (state == COLLECT) begin
                buffer <= {buffer[15:0], in};
                byte_count <= byte_count + 1;
            end
            if (state == COMPLETE) begin
                out_bytes <= buffer;
                done <= 1'b1;
            end else begin
                done <= 1'b0;
            end
        end
    end

    always @(*) begin
        next_state = state;
        case (state)
            IDLE: begin
                if (in[3]) next_state = COLLECT;
            end
            COLLECT: begin
                if (byte_count == 2'b10) next_state = COMPLETE;
            end
            COMPLETE: begin
                next_state = IDLE;
            end
        endcase
    end

endmodule

module top_module (
	input clk,
	input [7:0] in,
	input reset,
	output reg [23:0] out_bytes,
	output reg done
);

    reg [1:0] state, next_state;
    reg [15:0] buffer;

    parameter IDLE = 2'b00;
    parameter BYTE1 = 2'b01;
    parameter BYTE2 = 2'b10;
    parameter BYTE3 = 2'b11;

    always @(posedge clk) begin
        if (reset) begin
            state <= IDLE;
            out_bytes <= 24'b0;
            done <= 1'b0;
            buffer <= 16'b0;
        end else begin
            state <= next_state;
            if (state == BYTE1) buffer[15:8] <= in;
            if (state == BYTE2) buffer[7:0] <= in;
            if (state == BYTE3) begin
                out_bytes <= {buffer, in};
                done <= 1'b1;
            end else begin
                done <= 1'b0;
            end
        end
    end

    always @(*) begin
        case (state)
            IDLE: next_state = (in[3]) ? BYTE1 : IDLE;
            BYTE1: next_state = BYTE2;
            BYTE2: next_state = BYTE3;
            BYTE3: next_state = (in[3]) ? BYTE1 : IDLE;
            default: next_state = IDLE;
        endcase
    end

endmodule

module top_module (
	input clk,
	input [7:0] in,
	input reset,
	output reg [23:0] out_bytes,
	output reg done
);

    reg [1:0] state, next_state;
    reg [23:0] message;
    reg [1:0] byte_count;

    localparam IDLE = 2'b00,
               BYTE1 = 2'b01,
               BYTE2 = 2'b10,
               BYTE3 = 2'b11;

    always @(posedge clk) begin
        if (reset) begin
            state <= IDLE;
            message <= 24'b0;
            byte_count <= 2'b0;
            done <= 1'b0;
        end else begin
            state <= next_state;
            if (state != IDLE) begin
                message <= {message[15:0], in};
                byte_count <= byte_count + 1'b1;
            end
            done <= (state == BYTE3);
        end
    end

    always @(*) begin
        case (state)
            IDLE: next_state = (in[3]) ? BYTE1 : IDLE;
            BYTE1: next_state = BYTE2;
            BYTE2: next_state = BYTE3;
            BYTE3: next_state = (in[3]) ? BYTE1 : IDLE;
            default: next_state = IDLE;
        endcase
    end

    always @(*) begin
        if (done)
            out_bytes = message;
        else
            out_bytes = 24'bx;
    end

endmodule


module top_module (
	input [5:0] y,
	input w,
	output Y1,
	output Y3
);

    assign Y1 = y[0] & w;
    assign Y3 = (y[1] & ~w) | (y[2] & ~w) | (y[4] & ~w) | (y[5] & ~w);

endmodule


module top_module(
	input [2:0] vec,
	output [2:0] outv,
	output o2,
	output o1,
	output o0
);

    assign outv = vec;
    assign o2 = vec[2];
    assign o1 = vec[1];
    assign o0 = vec[0];

endmodule


module top_module (
	input a,
	input b,
	input c,
	input d,
	output reg out
);

always @(*) begin
    case ({a, b, c, d})
        4'b0001, 4'b0010, 4'b0100, 4'b0111,
        4'b1001, 4'b1010, 4'b1100, 4'b1111: out = 1'b1;
        default: out = 1'b0;
    endcase
end

endmodule

module top_module (
	input a,
	input b,
	input c,
	input d,
	output reg out
);

    always @(*) begin
        out = (a & ~b & ~c & d) | (~a & b & ~c & d) | (a & ~b & c & ~d) | (~a & b & c & ~d) |
              (~a & ~b & ~c & ~d) | (a & b & ~c & ~d) | (~a & ~b & c & d) | (a & b & c & d);
    end

endmodule

module top_module (
	input a,
	input b,
	input c,
	input d,
	output reg out
);

    always @(*) begin
        case ({a, b, c, d})
            4'b0001, 4'b0100, 4'b0111, 4'b1010: out = 1'b1;
            4'b0010, 4'b0101, 4'b1000, 4'b1011: out = 1'b1;
            default: out = 1'b0;
        endcase
    end

endmodule

module top_module (
	input a,
	input b,
	input c,
	input d,
	output reg out
);

    always @(*) begin
        out = (a ^ b) ^ (c ^ d);
    end

endmodule

module top_module (
	input a,
	input b,
	input c,
	input d,
	output reg out
);

always @(*) begin
    case ({a, b, c, d})
        4'b0001, 4'b0010, 4'b0100, 4'b0111, 4'b1001, 4'b1010, 4'b1100, 4'b1111: out = 1;
        default: out = 0;
    endcase
end

endmodule


module top_module (
	input [15:0] in,
	output [7:0] out_hi,
	output [7:0] out_lo
);

assign out_hi = in[15:8];
assign out_lo = in[7:0];

endmodule


module top_module(
	input a,
	input b,
	output out
);

assign out = ~(a | b);

endmodule


module top_module(
	input clk,
	input a,
	input b,
	output out_assign,
	output reg out_always_comb,
	output reg out_always_ff
);

    // XOR using assign statement
    assign out_assign = a ^ b;

    // XOR using combinational always block
    always @(*) begin
        out_always_comb = a ^ b;
    end

    // XOR using clocked always block
    always @(posedge clk) begin
        out_always_ff <= a ^ b;
    end

endmodule

module top_module(
	input clk,
	input a,
	input b,
	output out_assign,
	output reg out_always_comb,
	output reg out_always_ff
);

    // Using assign statement
    assign out_assign = a ^ b;

    // Using combinational always block
    always @(*) begin
        out_always_comb = a ^ b;
    end

    // Using clocked always block
    always @(posedge clk) begin
        out_always_ff <= a ^ b;
    end

endmodule


module top_module (
	input [6:1] y,
	input w,
	output Y2,
	output Y4
);

    assign Y2 = y[1] & ~w;
    assign Y4 = (y[2] & w) | (y[3] & w) | (y[5] & w) | (y[6] & w);

endmodule

module top_module (
	input [6:1] y,
	input w,
	output Y2,
	output Y4
);

    assign Y2 = (y[1] & ~w) | (y[3] & w);
    assign Y4 = (y[2] & w) | (y[3] & w) | (y[5] & w) | (y[6] & w);

endmodule

module top_module (
	input [6:1] y,
	input w,
	output Y2,
	output Y4
);

    assign Y2 = (y[1] & ~w) | (y[3] & ~w);
    assign Y4 = (y[2] & w) | (y[3] & w) | (y[5] & w) | (y[6] & w);

endmodule


module top_module (
	input [255:0] in,
	input [7:0] sel,
	output out
);

    assign out = in[sel];

endmodule


module top_module (
	input clk,
	input w,
	input R,
	input E,
	input L,
	output reg Q
);

    wire mux1_out, mux2_out;

    assign mux1_out = E ? w : Q;
    assign mux2_out = L ? R : mux1_out;

    always @(posedge clk) begin
        Q <= mux2_out;
    end

endmodule

module top_module (
	input clk,
	input w,
	input R,
	input E,
	input L,
	output reg Q
);

    wire mux_out;

    // First multiplexer: Choose between shift and hold
    assign mux_out = E ? w : Q;

    // Second multiplexer: Choose between load and shift/hold
    always @(posedge clk) begin
        if (L)
            Q <= R;
        else
            Q <= mux_out;
    end

endmodule

module top_module (
	input clk,
	input w,
	input R,
	input E,
	input L,
	output reg Q
);

    wire mux_out;

    always @(posedge clk) begin
        Q <= mux_out;
    end

    assign mux_out = L ? R : (E ? w : Q);

endmodule

module top_module (
	input clk,
	input w,
	input R,
	input E,
	input L,
	output reg Q
);

    wire mux_out;

    // First multiplexer: Choose between shift (w) and hold (Q)
    assign mux_out = E ? w : Q;

    // Second multiplexer: Choose between load (R) and shift/hold (mux_out)
    always @(posedge clk) begin
        if (L)
            Q <= R;
        else
            Q <= mux_out;
    end

endmodule

module top_module (
	input clk,
	input w,
	input R,
	input E,
	input L,
	output reg Q
);

    wire mux_out;

    // First multiplexer: Choose between holding current value or shifting
    assign mux_out = E ? w : Q;

    // Second multiplexer: Choose between shift/hold result and load value
    always @(posedge clk) begin
        if (L)
            Q <= R;
        else
            Q <= mux_out;
    end

endmodule

module top_module (
	input clk,
	input w,
	input R,
	input E,
	input L,
	output reg Q
);

    wire mux_out;

    // First multiplexer: Choose between w (shift) and Q (hold)
    assign mux_out = E ? w : Q;

    // Second multiplexer: Choose between R (load) and the output of the first mux
    always @(posedge clk) begin
        if (L)
            Q <= R;
        else
            Q <= mux_out;
    end

endmodule

module top_module (
	input clk,
	input w,
	input R,
	input E,
	input L,
	output reg Q
);

    wire mux1_out, mux2_out;

    // First multiplexer: Choose between holding current value (Q) or shifting (w)
    assign mux1_out = E ? w : Q;

    // Second multiplexer: Choose between shift/hold result or loading new value (R)
    assign mux2_out = L ? R : mux1_out;

    // D flip-flop
    always @(posedge clk) begin
        Q <= mux2_out;
    end

endmodule

module top_module (
	input clk,
	input w,
	input R,
	input E,
	input L,
	output reg Q
);

    wire mux_out;

    // First multiplexer: Choose between holding current value or shifting
    assign mux_out = E ? w : Q;

    // Second multiplexer: Choose between shift/hold result or loading R
    always @(posedge clk) begin
        if (L)
            Q <= R;
        else
            Q <= mux_out;
    end

endmodule

module top_module (
	input clk,
	input w,
	input R,
	input E,
	input L,
	output reg Q
);

    wire mux_out;

    // First multiplexer: select between holding current value and shifting
    assign mux_out = E ? w : Q;

    // Second multiplexer: select between shift/hold and load
    always @(posedge clk) begin
        if (L)
            Q <= R;
        else
            Q <= mux_out;
    end

endmodule

module top_module (
	input clk,
	input w,
	input R,
	input E,
	input L,
	output reg Q
);

    wire mux1_out;
    wire mux2_out;

    assign mux1_out = E ? w : Q;
    assign mux2_out = L ? R : mux1_out;

    always @(posedge clk) begin
        Q <= mux2_out;
    end

endmodule

module top_module (
	input clk,
	input w,
	input R,
	input E,
	input L,
	output reg Q
);

    wire mux_out;

    // First multiplexer: choose between holding current value and shifting
    assign mux_out = E ? w : Q;

    // Second multiplexer: choose between shift/hold and load
    always @(posedge clk) begin
        if (L)
            Q <= R;
        else
            Q <= mux_out;
    end

endmodule

module top_module (
	input clk,
	input w,
	input R,
	input E,
	input L,
	output reg Q
);

    wire mux_out;

    // First multiplexer: choose between holding current value (Q) or shifting (w)
    assign mux_out = E ? w : Q;

    // Second multiplexer: choose between shift/hold (mux_out) or load (R)
    always @(posedge clk) begin
        if (L)
            Q <= R;
        else
            Q <= mux_out;
    end

endmodule

module top_module (
	input clk,
	input w,
	input R,
	input E,
	input L,
	output reg Q
);

    wire mux_out;

    // First multiplexer: Select between holding current value or shifting
    assign mux_out = E ? w : Q;

    // Second multiplexer: Select between shift/hold result and load value
    always @(posedge clk) begin
        if (L)
            Q <= R;
        else
            Q <= mux_out;
    end

endmodule

module top_module (
	input clk,
	input w,
	input R,
	input E,
	input L,
	output reg Q
);

    wire mux_out;

    // First multiplexer: selects between holding current value and shifting
    assign mux_out = E ? w : Q;

    // Second multiplexer: selects between shift/hold and load
    always @(posedge clk) begin
        if (L)
            Q <= R;
        else
            Q <= mux_out;
    end

endmodule

module top_module (
	input clk,
	input w,
	input R,
	input E,
	input L,
	output reg Q
);

    wire mux_out;

    assign mux_out = L ? R : (E ? w : Q);

    always @(posedge clk) begin
        Q <= mux_out;
    end

endmodule

module top_module (
	input clk,
	input w,
	input R,
	input E,
	input L,
	output reg Q
);

    wire mux_out;

    // First multiplexer: select between holding current value or shifting
    assign mux_out = E ? w : Q;

    // Second multiplexer: select between shift/hold result and load value
    always @(posedge clk) begin
        if (L)
            Q <= R;
        else
            Q <= mux_out;
    end

endmodule


module top_module (
	input clk,
	input x,
	output z
);

    reg q1, q2, q3;

    always @(posedge clk) begin
        q1 <= x ^ q1;
        q2 <= x & ~q2;
        q3 <= x | ~q3;
    end

    assign z = ~(q1 ^ q2 ^ q3);

endmodule

module top_module (
	input clk,
	input x,
	output z
);

    reg [2:0] state;

    wire xor_out, and_out, or_out;

    assign xor_out = x ^ state[2];
    assign and_out = x & ~state[1];
    assign or_out = x | ~state[0];

    always @(posedge clk) begin
        state[2] <= xor_out;
        state[1] <= and_out;
        state[0] <= or_out;
    end

    assign z = ~(state[2] ^ state[1] ^ state[0]);

endmodule


module top_module (
	input a,
	input b,
	input c,
	input d,
	output q
);

    assign q = b | c | (a & d);

endmodule

module top_module (
	input a,
	input b,
	input c,
	input d,
	output q
);

    assign q = (b | c) & (~a | ~d);

endmodule

module top_module (
	input a,
	input b,
	input c,
	input d,
	output q
);

    assign q = (b | c | d) & (~a | c | d);

endmodule

module top_module (
	input a,
	input b,
	input c,
	input d,
	output q
);

    assign q = (b | c | d) & ~(a & ~b & ~c);

endmodule


module top_module(
	input clk,
	input load,
	input [511:0] data,
	output reg [511:0] q
);

    integer i;
    reg [511:0] next_q;

    always @(*) begin
        for (i = 0; i < 512; i = i + 1) begin
            case ({(i > 0 ? q[i-1] : 1'b0), q[i], (i < 511 ? q[i+1] : 1'b0)})
                3'b111: next_q[i] = 1'b0;
                3'b110: next_q[i] = 1'b1;
                3'b101: next_q[i] = 1'b1;
                3'b100: next_q[i] = 1'b0;
                3'b011: next_q[i] = 1'b1;
                3'b010: next_q[i] = 1'b1;
                3'b001: next_q[i] = 1'b1;
                3'b000: next_q[i] = 1'b0;
            endcase
        end
    end

    always @(posedge clk) begin
        if (load)
            q <= data;
        else
            q <= next_q;
    end

endmodule

module top_module(
    input clk,
    input load,
    input [511:0] data,
    output reg [511:0] q
);

    always @(posedge clk) begin
        if (load) begin
            q <= data;
        end else begin
            q[511] <= (q[510] | q[511]) & ~(q[510] & q[511]);

            for (integer i = 1; i < 511; i = i + 1) begin
                q[i] <= (q[i-1] | q[i] | q[i+1]) & ~(q[i-1] & q[i] & q[i+1]);
            end

            q[0] <= (q[0] | q[1]) & ~(q[0] & q[1]);
        end
    end

endmodule

module top_module(
	input clk,
	input load,
	input [511:0] data,
	output reg [511:0] q
);

    integer i;
    reg [511:0] next_q;

    always @(*) begin
        for (i = 0; i < 512; i = i + 1) begin
            case ({(i == 0 ? 1'b0 : q[i-1]), q[i], (i == 511 ? 1'b0 : q[i+1])})
                3'b111: next_q[i] = 1'b0;
                3'b110: next_q[i] = 1'b1;
                3'b101: next_q[i] = 1'b1;
                3'b100: next_q[i] = 1'b0;
                3'b011: next_q[i] = 1'b1;
                3'b010: next_q[i] = 1'b1;
                3'b001: next_q[i] = 1'b1;
                3'b000: next_q[i] = 1'b0;
            endcase
        end
    end

    always @(posedge clk) begin
        if (load)
            q <= data;
        else
            q <= next_q;
    end

endmodule

module top_module(
	input clk,
	input load,
	input [511:0] data,
	output reg [511:0] q
);

    integer i;
    reg left, center, right;

    always @(posedge clk) begin
        if (load) begin
            q <= data;
        end else begin
            for (i = 0; i < 512; i = i + 1) begin
                left = (i == 0) ? 1'b0 : q[i-1];
                center = q[i];
                right = (i == 511) ? 1'b0 : q[i+1];

                case ({left, center, right})
                    3'b111: q[i] <= 1'b0;
                    3'b110: q[i] <= 1'b1;
                    3'b101: q[i] <= 1'b1;
                    3'b100: q[i] <= 1'b0;
                    3'b011: q[i] <= 1'b1;
                    3'b010: q[i] <= 1'b1;
                    3'b001: q[i] <= 1'b1;
                    3'b000: q[i] <= 1'b0;
                endcase
            end
        end
    end

endmodule

module top_module(
    input clk,
    input load,
    input [511:0] data,
    output reg [511:0] q
);

    reg [511:0] next_q;
    integer i;

    always @(*) begin
        for (i = 0; i < 512; i = i + 1) begin
            case ({(i == 0 ? 1'b0 : q[i-1]), q[i], (i == 511 ? 1'b0 : q[i+1])})
                3'b111: next_q[i] = 1'b0;
                3'b110: next_q[i] = 1'b1;
                3'b101: next_q[i] = 1'b1;
                3'b100: next_q[i] = 1'b0;
                3'b011: next_q[i] = 1'b1;
                3'b010: next_q[i] = 1'b1;
                3'b001: next_q[i] = 1'b1;
                3'b000: next_q[i] = 1'b0;
            endcase
        end
    end

    always @(posedge clk) begin
        if (load)
            q <= data;
        else
            q <= next_q;
    end

endmodule

module top_module(
    input clk,
    input load,
    input [511:0] data,
    output reg [511:0] q
);

    reg [511:0] next_q;
    integer i;

    always @(*) begin
        for (i = 0; i < 512; i = i + 1) begin
            case ({(i > 0 ? q[i-1] : 1'b0), q[i], (i < 511 ? q[i+1] : 1'b0)})
                3'b111: next_q[i] = 1'b0;
                3'b110: next_q[i] = 1'b1;
                3'b101: next_q[i] = 1'b1;
                3'b100: next_q[i] = 1'b0;
                3'b011: next_q[i] = 1'b1;
                3'b010: next_q[i] = 1'b1;
                3'b001: next_q[i] = 1'b1;
                3'b000: next_q[i] = 1'b0;
            endcase
        end
    end

    always @(posedge clk) begin
        if (load)
            q <= data;
        else
            q <= next_q;
    end

endmodule

module top_module(
	input clk,
	input load,
	input [511:0] data,
	output reg [511:0] q
);

    reg [513:0] extended_q;
    integer i;

    always @(posedge clk) begin
        if (load) begin
            q <= data;
        end else begin
            extended_q = {1'b0, q, 1'b0};
            for (i = 0; i < 512; i = i + 1) begin
                case ({extended_q[i+2], extended_q[i+1], extended_q[i]})
                    3'b111: q[i] <= 1'b0;
                    3'b110: q[i] <= 1'b1;
                    3'b101: q[i] <= 1'b1;
                    3'b100: q[i] <= 1'b0;
                    3'b011: q[i] <= 1'b1;
                    3'b010: q[i] <= 1'b1;
                    3'b001: q[i] <= 1'b1;
                    3'b000: q[i] <= 1'b0;
                endcase
            end
        end
    end

endmodule

module top_module(
	input clk,
	input load,
	input [511:0] data,
	output reg [511:0] q
);

    always @(posedge clk) begin
        if (load) begin
            q <= data;
        end else begin
            q[511] <= q[510] | (~q[511] & q[510]);

            for (integer i = 1; i < 511; i = i + 1) begin
                q[i] <= (q[i-1] & q[i] & ~q[i+1]) | (q[i-1] & ~q[i]) | (~q[i-1] & q[i+1]);
            end

            q[0] <= q[1] | (~q[0] & q[1]);
        end
    end

endmodule

module top_module(
	input clk,
	input load,
	input [511:0] data,
	output reg [511:0] q
);

    always @(posedge clk) begin
        if (load) begin
            q <= data;
        end else begin
            q[511] <= q[510] | (q[511] & ~q[510]);

            for (integer i = 1; i < 511; i = i + 1) begin
                q[i] <= (q[i-1] & q[i] & ~q[i+1]) |
                        (q[i-1] & ~q[i] & q[i+1]) |
                        (~q[i-1] & q[i+1]);
            end

            q[0] <= q[1] | (q[0] & ~q[1]);
        end
    end

endmodule

module top_module(
	input clk,
	input load,
	input [511:0] data,
	output reg [511:0] q
);

    always @(posedge clk) begin
        if (load) begin
            q <= data;
        end else begin
            q[511] <= (q[511] & ~q[510]) | (~q[511] & q[510]);

            genvar i;
            for (i = 1; i < 511; i = i + 1) begin : rule110_gen
                q[i] <= (q[i+1] & q[i] & ~q[i-1]) | (q[i+1] & ~q[i]) | (~q[i+1] & q[i-1]);
            end

            q[0] <= (q[1] & q[0]) | (~q[1] & 1'b0);
        end
    end

endmodule

module top_module(
	input clk,
	input load,
	input [511:0] data,
	output reg [511:0] q
);

    always @(posedge clk) begin
        if (load) begin
            q <= data;
        end else begin
            q[511] <= q[510] | (~q[511] & q[510]);

            for (integer i = 1; i < 511; i = i + 1) begin
                q[i] <= (q[i-1] & q[i] & ~q[i+1]) | (q[i-1] & ~q[i]) | (~q[i-1] & q[i+1]);
            end

            q[0] <= q[0] | q[1];
        end
    end

endmodule


module top_module (
	input clk,
	input in,
	input reset,
	output out
);

    parameter A = 2'b00, B = 2'b01, C = 2'b10, D = 2'b11;

    reg [1:0] state, next_state;

    always @(posedge clk) begin
        if (reset)
            state <= A;
        else
            state <= next_state;
    end

    always @(*) begin
        case (state)
            A: next_state = in ? B : A;
            B: next_state = in ? B : C;
            C: next_state = in ? D : A;
            D: next_state = in ? B : C;
            default: next_state = A;
        endcase
    end

    assign out = (state == D);

endmodule

module top_module (
	input clk,
	input in,
	input reset,
	output out
);

    parameter A = 2'b00, B = 2'b01, C = 2'b10, D = 2'b11;

    reg [1:0] state, next_state;

    always @(posedge clk or posedge reset) begin
        if (reset)
            state <= A;
        else
            state <= next_state;
    end

    always @(*) begin
        case (state)
            A: next_state = in ? B : A;
            B: next_state = in ? B : C;
            C: next_state = in ? D : A;
            D: next_state = in ? B : C;
            default: next_state = A;
        endcase
    end

    assign out = (state == D);

endmodule


module top_module (
	input [3:0] a,
	input [3:0] b,
	input [3:0] c,
	input [3:0] d,
	input [3:0] e,
	output reg [3:0] q
);

    always @(*) begin
        case(c)
            4'd0: q = b;
            4'd1: q = e;
            4'd2: q = a;
            4'd3: q = d;
            default: q = 4'hf;
        endcase
    end

endmodule

module top_module (
	input [3:0] a,
	input [3:0] b,
	input [3:0] c,
	input [3:0] d,
	input [3:0] e,
	output reg [3:0] q
);

    always @(*) begin
        case (c)
            4'h0: q = b;
            4'h1: q = e;
            4'h2: q = a;
            4'h3: q = d;
            default: q = 4'hf;
        endcase
    end

endmodule

module top_module (
	input [3:0] a,
	input [3:0] b,
	input [3:0] c,
	input [3:0] d,
	input [3:0] e,
	output reg [3:0] q
);

always @(*) begin
    case (c)
        4'd0: q = b;
        4'd1: q = e;
        4'd2: q = a;
        4'd3: q = d;
        default: q = 4'hf;
    endcase
end

endmodule


module top_module (
	input sel,
	input [7:0] a,
	input [7:0] b,
	output reg [7:0] out
);

    always @(*) begin
        if (sel)
            out = b;
        else
            out = a;
    end

endmodule


module top_module(
	input clk,
	input L,
	input q_in,
	input r_in,
	output reg Q);

    wire mux_out;

    // 2-1 Multiplexer
    assign mux_out = L ? r_in : q_in;

    // D Flip-Flop
    always @(posedge clk) begin
        Q <= mux_out;
    end

endmodule

module top_module(
	input clk,
	input L,
	input q_in,
	input r_in,
	output reg Q);

    wire mux_out;

    // 2-1 multiplexer
    assign mux_out = L ? r_in : q_in;

    // D flip-flop
    always @(posedge clk) begin
        Q <= mux_out;
    end

endmodule

module top_module(
	input clk,
	input L,
	input q_in,
	input r_in,
	output reg Q);

    wire mux_out;

    // 2-1 Multiplexer
    assign mux_out = L ? r_in : q_in;

    // D Flip-flop
    always @(posedge clk) begin
        Q <= mux_out;
    end

endmodule

module top_module(
	input clk,
	input L,
	input q_in,
	input r_in,
	output reg Q);

    wire mux_out;

    sub_module sm (
        .clk(clk),
        .L(L),
        .q_in(q_in),
        .r_in(r_in),
        .Q(Q)
    );

endmodule

module sub_module(
    input clk,
    input L,
    input q_in,
    input r_in,
    output reg Q
);

    wire mux_out;

    assign mux_out = L ? r_in : q_in;

    always @(posedge clk) begin
        Q <= mux_out;
    end

endmodule

module top_module(
	input clk,
	input L,
	input q_in,
	input r_in,
	output reg Q
);

    wire mux_out;

    // 2-1 Multiplexer
    assign mux_out = L ? r_in : q_in;

    // D Flip-Flop
    always @(posedge clk) begin
        Q <= mux_out;
    end

endmodule


module top_module(
	input clk,
	input reset,
	input [31:0] in,
	output reg [31:0] out
);

reg [31:0] prev_in;

always @(posedge clk) begin
    if (reset) begin
        out <= 32'b0;
        prev_in <= 32'b0;
    end else begin
        prev_in <= in;
        out <= (out | (~in & prev_in));
    end
end

endmodule

module top_module(
	input clk,
	input reset,
	input [31:0] in,
	output reg [31:0] out);

    reg [31:0] prev_in;

    always @(posedge clk) begin
        if (reset) begin
            out <= 32'b0;
            prev_in <= 32'b0;
        end else begin
            prev_in <= in;
            out <= (out | (prev_in & ~in));
        end
    end

endmodule

module top_module(
	input clk,
	input reset,
	input [31:0] in,
	output reg [31:0] out);

    reg [31:0] in_prev;

    always @(posedge clk) begin
        if (reset) begin
            out <= 32'b0;
            in_prev <= 32'b0;
        end else begin
            in_prev <= in;
            out <= out | (~in & in_prev);
        end
    end

endmodule

module top_module(
	input clk,
	input reset,
	input [31:0] in,
	output reg [31:0] out);

	reg [31:0] prev_in;

	always @(posedge clk) begin
		if (reset) begin
			out <= 32'b0;
			prev_in <= 32'b0;
		end else begin
			prev_in <= in;
			out <= (out | (~in & prev_in));
		end
	end

endmodule

module top_module(
    input clk,
    input reset,
    input [31:0] in,
    output reg [31:0] out
);

    reg [31:0] prev_in;

    always @(posedge clk) begin
        if (reset) begin
            out <= 32'b0;
            prev_in <= 32'b0;
        end else begin
            prev_in <= in;
            out <= (out | (prev_in & ~in));
        end
    end

endmodule

module top_module(
	input clk,
	input reset,
	input [31:0] in,
	output reg [31:0] out);

    reg [31:0] prev_in;

    always @(posedge clk) begin
        if (reset) begin
            out <= 32'b0;
            prev_in <= 32'b0;
        end else begin
            prev_in <= in;
            out <= out | (prev_in & ~in);
        end
    end

endmodule


module top_module(
	input clk,
	input [7:0] d,
	output reg [7:0] q);

    always @(posedge clk) begin
        q <= d;
    end

endmodule


module top_module (
	input [7:0] a,
	input [7:0] b,
	output [7:0] s,
	output overflow
);

    wire [8:0] sum;

    assign sum = {a[7], a} + {b[7], b};
    assign s = sum[7:0];
    assign overflow = (a[7] == b[7]) && (a[7] != s[7]);

endmodule

module top_module (
	input [7:0] a,
	input [7:0] b,
	output [7:0] s,
	output overflow
);

    wire [8:0] sum;

    assign sum = {a[7], a} + {b[7], b};
    assign s = sum[7:0];
    assign overflow = (a[7] & b[7] & ~s[7]) | (~a[7] & ~b[7] & s[7]);

endmodule

module top_module (
	input [7:0] a,
	input [7:0] b,
	output [7:0] s,
	output overflow
);

    assign s = a + b;

    assign overflow = (a[7] & b[7] & ~s[7]) | (~a[7] & ~b[7] & s[7]);

endmodule


module top_module(
    input d,
    input done_counting,
    input ack,
    input [9:0] state,    // 10-bit one-hot current state
    output B3_next,
    output S_next,
    output S1_next,
    output Count_next,
    output Wait_next,
    output done,
    output counting,
    output shift_ena
);

    wire S, S1, S11, S110, B0, B1, B2, B3, Count, Wait;
    assign {Wait, Count, B3, B2, B1, B0, S110, S11, S1, S} = state;

    assign B3_next = B2;
    assign S_next = S & ~d | S1 & ~d | S110 & ~d | Wait & ack;
    assign S1_next = S & d;
    assign Count_next = B3 | (Count & ~done_counting);
    assign Wait_next = Count & done_counting | Wait & ~ack;

    assign done = Wait;
    assign counting = Count;
    assign shift_ena = B0 | B1 | B2 | B3;

endmodule

module top_module(
    input d,
    input done_counting,
    input ack,
    input [9:0] state,    // 10-bit one-hot current state
    output B3_next,
    output S_next,
    output S1_next,
    output Count_next,
    output Wait_next,
    output done,
    output counting,
    output shift_ena
);

    // State encoding
    wire S    = state[0];
    wire S1   = state[1];
    wire S11  = state[2];
    wire S110 = state[3];
    wire B0   = state[4];
    wire B1   = state[5];
    wire B2   = state[6];
    wire B3   = state[7];
    wire Count = state[8];
    wire Wait = state[9];

    // Next state logic
    assign B3_next = B2;
    assign S_next = S & ~d | S1 & ~d | S110 & ~d | Wait & ack;
    assign S1_next = S & d;
    assign Count_next = B3 | Count & ~done_counting;
    assign Wait_next = Count & done_counting | Wait & ~ack;

    // Output logic
    assign done = Wait;
    assign counting = Count;
    assign shift_ena = B0 | B1 | B2 | B3;

endmodule

module top_module(
    input d,
    input done_counting,
    input ack,
    input [9:0] state,    // 10-bit one-hot current state
    output B3_next,
    output S_next,
    output S1_next,
    output Count_next,
    output Wait_next,
    output done,
    output counting,
    output shift_ena
);

    // State encodings
    wire S = state[0];
    wire S1 = state[1];
    wire S11 = state[2];
    wire S110 = state[3];
    wire B0 = state[4];
    wire B1 = state[5];
    wire B2 = state[6];
    wire B3 = state[7];
    wire Count = state[8];
    wire Wait = state[9];

    // Next state logic
    assign B3_next = B2;
    assign S_next = (S & ~d) | (S1 & ~d) | (S110 & ~d) | (Wait & ack);
    assign S1_next = S & d;
    assign Count_next = B3 | (Count & ~done_counting);
    assign Wait_next = (Count & done_counting) | (Wait & ~ack);

    // Output logic
    assign done = Wait;
    assign counting = Count;
    assign shift_ena = B0 | B1 | B2 | B3;

endmodule

module top_module(
    input d,
    input done_counting,
    input ack,
    input [9:0] state,    // 10-bit one-hot current state
    output B3_next,
    output S_next,
    output S1_next,
    output Count_next,
    output Wait_next,
    output done,
    output counting,
    output shift_ena
);

    // State aliases
    wire S = state[0];
    wire S1 = state[1];
    wire S11 = state[2];
    wire S110 = state[3];
    wire B0 = state[4];
    wire B1 = state[5];
    wire B2 = state[6];
    wire B3 = state[7];
    wire Count = state[8];
    wire Wait = state[9];

    // Next state logic
    assign B3_next = B2;
    assign S_next = (S & ~d) | (S1 & ~d) | (S110 & ~d) | (Wait & ack);
    assign S1_next = S & d;
    assign Count_next = B3 | (Count & ~done_counting);
    assign Wait_next = (Count & done_counting) | (Wait & ~ack);

    // Output logic
    assign done = Wait;
    assign counting = Count;
    assign shift_ena = B0 | B1 | B2 | B3;

endmodule

module top_module(
    input d,
    input done_counting,
    input ack,
    input [9:0] state,    // 10-bit one-hot current state
    output B3_next,
    output S_next,
    output S1_next,
    output Count_next,
    output Wait_next,
    output done,
    output counting,
    output shift_ena
);

    // State encoding
    wire S = state[0];
    wire S1 = state[1];
    wire S11 = state[2];
    wire S110 = state[3];
    wire B0 = state[4];
    wire B1 = state[5];
    wire B2 = state[6];
    wire B3 = state[7];
    wire Count = state[8];
    wire Wait = state[9];

    // Next state logic
    assign B3_next = B2;
    assign S_next = (S & ~d) | (S1 & ~d) | (S110 & ~d) | (Wait & ack);
    assign S1_next = S & d;
    assign Count_next = B3 | (Count & ~done_counting);
    assign Wait_next = (Count & done_counting) | (Wait & ~ack);

    // Output logic
    assign done = Wait;
    assign counting = Count;
    assign shift_ena = B0 | B1 | B2 | B3;

endmodule

module top_module(
    input d,
    input done_counting,
    input ack,
    input [9:0] state,    // 10-bit one-hot current state
    output B3_next,
    output S_next,
    output S1_next,
    output Count_next,
    output Wait_next,
    output done,
    output counting,
    output shift_ena
);

    wire S = state[0];
    wire S1 = state[1];
    wire S11 = state[2];
    wire S110 = state[3];
    wire B0 = state[4];
    wire B1 = state[5];
    wire B2 = state[6];
    wire B3 = state[7];
    wire Count = state[8];
    wire Wait = state[9];

    assign B3_next = B2;
    assign S_next = (S & ~d) | (S1 & ~d) | (S110 & ~d) | (Wait & ack);
    assign S1_next = S & d;
    assign Count_next = B3 | (Count & ~done_counting);
    assign Wait_next = (Count & done_counting) | (Wait & ~ack);

    assign done = Wait;
    assign counting = Count;
    assign shift_ena = B0 | B1 | B2 | B3;

endmodule

module top_module(
    input d,
    input done_counting,
    input ack,
    input [9:0] state,    // 10-bit one-hot current state
    output B3_next,
    output S_next,
    output S1_next,
    output Count_next,
    output Wait_next,
    output done,
    output counting,
    output shift_ena
);

    wire S, S1, S11, S110, B0, B1, B2, B3, Count, Wait;
    assign {Wait, Count, B3, B2, B1, B0, S110, S11, S1, S} = state;

    assign B3_next = B2;
    assign S_next = S & ~d | S1 & ~d | S110 & ~d | Wait & ack;
    assign S1_next = S & d;
    assign Count_next = B3 | Count & ~done_counting;
    assign Wait_next = Count & done_counting | Wait & ~ack;

    assign done = Wait;
    assign counting = Count;
    assign shift_ena = B0 | B1 | B2 | B3;

endmodule


module top_module(
    input clk,
    input areset,
    input train_valid,
    input train_taken,
    output logic [1:0] state
);

    always_ff @(posedge clk or posedge areset) begin
        if (areset) begin
            state <= 2'b01;  // Reset to weakly not-taken
        end else if (train_valid) begin
            if (train_taken) begin
                state <= (state == 2'b11) ? 2'b11 : state + 1'b1;  // Increment up to 3
            end else begin
                state <= (state == 2'b00) ? 2'b00 : state - 1'b1;  // Decrement down to 0
            end
        end
    end

endmodule

module top_module(
    input clk,
    input areset,
    input train_valid,
    input train_taken,
    output logic [1:0] state
);

    always_ff @(posedge clk or posedge areset) begin
        if (areset) begin
            state <= 2'b01; // Reset to weakly not-taken
        end else if (train_valid) begin
            if (train_taken) begin
                state <= (state == 2'b11) ? 2'b11 : state + 1'b1; // Increment up to 3
            end else begin
                state <= (state == 2'b00) ? 2'b00 : state - 1'b1; // Decrement down to 0
            end
        end
        // When train_valid is 0, state remains unchanged
    end

endmodule

module top_module(
    input clk,
    input areset,
    input train_valid,
    input train_taken,
    output logic [1:0] state
);

    always_ff @(posedge clk or posedge areset) begin
        if (areset) begin
            state <= 2'b01; // Reset to weakly not-taken
        end else if (train_valid) begin
            if (train_taken) begin
                state <= (state == 2'b11) ? 2'b11 : state + 1'b1;
            end else begin
                state <= (state == 2'b00) ? 2'b00 : state - 1'b1;
            end
        end
    end

endmodule


module top_module (
	input [7:0] in,
	output reg [2:0] pos
);

always @(*) begin
    casez(in)
        8'bzzzzzzz1: pos = 3'd0;
        8'bzzzzzz10: pos = 3'd1;
        8'bzzzzz100: pos = 3'd2;
        8'bzzzz1000: pos = 3'd3;
        8'bzzz10000: pos = 3'd4;
        8'bzz100000: pos = 3'd5;
        8'bz1000000: pos = 3'd6;
        8'b10000000: pos = 3'd7;
        default: pos = 3'd0;
    endcase
end

endmodule

module top_module (
	input [7:0] in,
	output reg [2:0] pos
);

always @(*) begin
    if (in[0]) pos = 3'd0;
    else if (in[1]) pos = 3'd1;
    else if (in[2]) pos = 3'd2;
    else if (in[3]) pos = 3'd3;
    else if (in[4]) pos = 3'd4;
    else if (in[5]) pos = 3'd5;
    else if (in[6]) pos = 3'd6;
    else if (in[7]) pos = 3'd7;
    else pos = 3'd0;
end

endmodule


module top_module (
	input [15:0] scancode,
	output reg left,
	output reg down,
	output reg right,
	output reg up
);

always @(*) begin
    left = 1'b0;
    down = 1'b0;
    right = 1'b0;
    up = 1'b0;

    case (scancode)
        16'he06b: left = 1'b1;
        16'he072: down = 1'b1;
        16'he074: right = 1'b1;
        16'he075: up = 1'b1;
        default: begin
            left = 1'b0;
            down = 1'b0;
            right = 1'b0;
            up = 1'b0;
        end
    endcase
end

endmodule

module top_module (
	input [15:0] scancode,
	output reg left,
	output reg down,
	output reg right,
	output reg up
);

    always @(*) begin
        left = 1'b0;
        down = 1'b0;
        right = 1'b0;
        up = 1'b0;

        case(scancode)
            16'he06b: left = 1'b1;
            16'he072: down = 1'b1;
            16'he074: right = 1'b1;
            16'he075: up = 1'b1;
            default: begin
                left = 1'b0;
                down = 1'b0;
                right = 1'b0;
                up = 1'b0;
            end
        endcase
    end

endmodule

module top_module (
	input [15:0] scancode,
	output reg left,
	output reg down,
	output reg right,
	output reg up
);

    always @(*) begin
        // Default values
        left = 1'b0;
        down = 1'b0;
        right = 1'b0;
        up = 1'b0;

        case(scancode)
            16'he06b: left = 1'b1;
            16'he072: down = 1'b1;
            16'he074: right = 1'b1;
            16'he075: up = 1'b1;
            default: begin
                left = 1'b0;
                down = 1'b0;
                right = 1'b0;
                up = 1'b0;
            end
        endcase
    end

endmodule

module top_module (
	input [15:0] scancode,
	output reg left,
	output reg down,
	output reg right,
	output reg up
);

    always @(*) begin
        // Default all outputs to 0
        left = 1'b0;
        down = 1'b0;
        right = 1'b0;
        up = 1'b0;

        case(scancode)
            16'he06b: left = 1'b1;
            16'he072: down = 1'b1;
            16'he074: right = 1'b1;
            16'he075: up = 1'b1;
            default: begin
                // No arrow key pressed, all outputs remain 0
            end
        endcase
    end

endmodule

module top_module (
	input [15:0] scancode,
	output reg left,
	output reg down,
	output reg right,
	output reg up
);

    always @(*) begin
        // Default all outputs to 0
        left = 1'b0;
        down = 1'b0;
        right = 1'b0;
        up = 1'b0;

        case(scancode)
            16'he06b: left = 1'b1;
            16'he072: down = 1'b1;
            16'he074: right = 1'b1;
            16'he075: up = 1'b1;
            default: begin
                left = 1'b0;
                down = 1'b0;
                right = 1'b0;
                up = 1'b0;
            end
        endcase
    end

endmodule

module top_module (
	input [15:0] scancode,
	output reg left,
	output reg down,
	output reg right,
	output reg up
);

    always @(*) begin
        // Default all outputs to 0
        left = 1'b0;
        down = 1'b0;
        right = 1'b0;
        up = 1'b0;

        case (scancode)
            16'he06b: left = 1'b1;
            16'he072: down = 1'b1;
            16'he074: right = 1'b1;
            16'he075: up = 1'b1;
            default: ; // No action for other scancodes
        endcase
    end

endmodule


module top_module (
	input [3:0] x,
	input [3:0] y,
	output [4:0] sum
);

    wire [3:0] carry;

    full_adder fa0 (.a(x[0]), .b(y[0]), .cin(1'b0),  .sum(sum[0]), .cout(carry[0]));
    full_adder fa1 (.a(x[1]), .b(y[1]), .cin(carry[0]), .sum(sum[1]), .cout(carry[1]));
    full_adder fa2 (.a(x[2]), .b(y[2]), .cin(carry[1]), .sum(sum[2]), .cout(carry[2]));
    full_adder fa3 (.a(x[3]), .b(y[3]), .cin(carry[2]), .sum(sum[3]), .cout(sum[4]));

endmodule

module full_adder (
    input a,
    input b,
    input cin,
    output sum,
    output cout
);

    assign sum = a ^ b ^ cin;
    assign cout = (a & b) | (cin & (a ^ b));

endmodule


module top_module
(
    input clk,
    input areset,
    input predict_valid,
    input predict_taken,
    output logic [31:0] predict_history,

    input train_mispredicted,
    input train_taken,
    input [31:0] train_history
);

    always_ff @(posedge clk or posedge areset) begin
        if (areset) begin
            predict_history <= 32'b0;
        end
        else if (train_mispredicted) begin
            predict_history <= {train_history[30:0], train_taken};
        end
        else if (predict_valid) begin
            predict_history <= {predict_history[30:0], predict_taken};
        end
    end

endmodule

module top_module
(
    input clk,
    input areset,
    input predict_valid,
    input predict_taken,
    output logic [31:0] predict_history,

    input train_mispredicted,
    input train_taken,
    input [31:0] train_history
);

    always_ff @(posedge clk or posedge areset) begin
        if (areset) begin
            predict_history <= 32'b0;
        end
        else begin
            if (train_mispredicted) begin
                predict_history <= {train_history[30:0], train_taken};
            end
            else if (predict_valid) begin
                predict_history <= {predict_history[30:0], predict_taken};
            end
        end
    end

endmodule


module top_module (
	input a,
	input b,
	input c,
	input d,
	output out,
	output out_n );

    wire and1_out, and2_out;

    assign and1_out = a & b;
    assign and2_out = c & d;
    assign out = and1_out | and2_out;
    assign out_n = ~out;

endmodule


module top_module(
	input clk,
	input d,
	output reg q);

    always @(posedge clk) begin
        q <= d;
    end

endmodule

module top_module(
    input clk,
    input d,
    output reg q
);

always @(posedge clk) begin
    q <= d;
end

endmodule