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

    reg [31:0] previous_in;

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

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

    assign s = a + b;
    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]);

endmodule

module top_module (
    input [7:0] a,
    input [7:0] b,
    output [7:0] s,
    output overflow
);
    assign s = a + b; // Compute the sum
    // Determine if a signed overflow occurred
    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
);
    wire carry_out;

    assign {carry_out, s} = a + b;

    // Overflow occurs if the signs of a and b are the same, but the sign of s is different.
    // This is calculated by checking the MSBs of a, b, and s.
    assign overflow = (a[7] == b[7]) && (s[7] != a[7]);

endmodule

module top_module (
	input [7:0] a,
	input [7:0] b,
	output [7:0] s,
	output overflow
);
    // Perform the addition
    assign s = a + b;

    // Check for signed overflow
    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;

    // Overflow occurs if the sign bits of a and b are the same,
    // and the sign bit of s is different from both.
    assign overflow = (a[7] == b[7]) && (s[7] != a[7]);

endmodule

module top_module (
    input [7:0] a,
    input [7:0] b,
    output [7:0] s,
    output overflow
);
    wire signed [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]);
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 = (sum[8] != sum[7]);

endmodule

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

    assign s = a + b;

    // Overflow detection for 2's complement addition
    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
);

    // State bit definitions for readability
    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 S_next = (S & ~d) | (S1 & ~d) | (S110 & ~d) | (Wait & ack);
    assign S1_next = S & d;
    assign B3_next = B2;
    assign Count_next = B3;
    assign Wait_next = (Count & done_counting) | (Wait & ~ack);

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

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
    localparam S     = 10'b0000000001;
    localparam S1    = 10'b0000000010;
    localparam S11   = 10'b0000000100;
    localparam S110  = 10'b0000001000;
    localparam B0    = 10'b0000010000;
    localparam B1    = 10'b0000100000;
    localparam B2    = 10'b0001000000;
    localparam B3    = 10'b0010000000;
    localparam Count = 10'b0100000000;
    localparam Wait  = 10'b1000000000;

    // Next state logic
    assign S_next     = (state[S] & ~d) | (state[S1] & ~d) | (state[S110] & ~d) | (state[Wait] & ack);
    assign S1_next    = state[S] & d;
    assign S11_next   = state[S1] & d;
    assign S110_next  = state[S11] & ~d;
    assign B0_next    = state[S110] & d;
    assign B1_next    = state[B0];
    assign B2_next    = state[B1];
    assign B3_next    = state[B2];
    assign Count_next = (state[B3]) | (state[Count] & ~done_counting);
    assign Wait_next  = state[Count] & done_counting;

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

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
    parameter S = 10'b0000000001;
    parameter S1 = 10'b0000000010;
    parameter S11 = 10'b0000000100;
    parameter S110 = 10'b0000001000;
    parameter B0 = 10'b0000010000;
    parameter B1 = 10'b0000100000;
    parameter B2 = 10'b0001000000;
    parameter B3 = 10'b0010000000;
    parameter Count = 10'b0100000000;
    parameter Wait = 10'b1000000000;

    // Next-state logic
    assign S_next = (state[S] & ~d) | (state[S1] & ~d) | (state[S110] & ~d) | (state[Wait] & ack);
    assign S1_next = state[S] & d;
    assign B3_next = state[B2]; // always goes to next cycle
    assign Count_next = (state[B3]) | (state[Count] & ~done_counting);
    assign Wait_next = state[Count] & done_counting;

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

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
);

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

    // For additional states not explicitly mentioned, we add:
    wire S11_next = (S1 & d) | (S11 & d);
    wire S110_next = (S11 & ~d);
    wire B0_next = (S110 & d);
    wire B1_next = B0;
    wire B2_next = B1;

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

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
    parameter S      = 10'b0000000001;
    parameter S1     = 10'b0000000010;
    parameter S11    = 10'b0000000100;
    parameter S110   = 10'b0000001000;
    parameter B0     = 10'b0000010000;
    parameter B1     = 10'b0000100000;
    parameter B2     = 10'b0001000000;
    parameter B3     = 10'b0010000000;
    parameter Count  = 10'b0100000000;
    parameter Wait   = 10'b1000000000;

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

    // Output logic
    assign done      = state[Wait];
    assign counting  = state[Count];
    assign shift_ena = state[B0] | state[B1] | state[B2] | state[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
    // S     = 10'b0000000001
    // S1    = 10'b0000000010
    // S11   = 10'b0000000100
    // S110  = 10'b0000001000
    // B0    = 10'b0000010000
    // B1    = 10'b0000100000
    // B2    = 10'b0001000000
    // B3    = 10'b0010000000
    // Count = 10'b0100000000
    // Wait  = 10'b1000000000

    // Next-state logic
    assign S_next     = state[0] | (state[2] & ~d) | (state[3] & ~d) | (state[9] & ack);
    assign S1_next    = (state[0] & d);
    assign B3_next    = state[6];
    assign Count_next = state[7];
    assign Wait_next  = (state[8] & done_counting);

    // Output logic
    assign shift_ena = state[4] | state[5] | state[6] | state[7];
    assign counting  = state[8];
    assign done      = state[9];

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
);

    // Next state logic
    assign S_next = state[0] & ~d | state[2] & ~d | state[6] & ~d | state[9] & ack;
    assign S1_next = state[0] & d | state[1] & d;
    assign Count_next = state[7];
    assign Wait_next = state[8] & done_counting | state[9] & ~ack;
    assign B3_next = state[6];

    // Output logic
    assign done = state[9];
    assign counting = state[8];
    assign shift_ena = state[4] | state[5] | state[6] | state[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
);

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

    // 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
    localparam S    = 10'b0000000001;
    localparam S1   = 10'b0000000010;
    localparam S11  = 10'b0000000100;
    localparam S110 = 10'b0000001000;
    localparam B0   = 10'b0000010000;
    localparam B1   = 10'b0000100000;
    localparam B2   = 10'b0001000000;
    localparam B3   = 10'b0010000000;
    localparam Count= 10'b0100000000;
    localparam Wait = 10'b1000000000;

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

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

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
    localparam S     = 10'b0000000001;
    localparam S1    = 10'b0000000010;
    localparam S11   = 10'b0000000100;
    localparam S110  = 10'b0000001000;
    localparam B0    = 10'b0000010000;
    localparam B1    = 10'b0000100000;
    localparam B2    = 10'b0001000000;
    localparam B3    = 10'b0010000000;
    localparam Count = 10'b0100000000;
    localparam Wait  = 10'b1000000000;

    // Next state logic
    assign S_next     = (state[S]     & ~d) | (state[S1] & ~d) | (state[S110] & ~d) | (state[Wait] & ack);
    assign S1_next    = state[S]     & d;
    assign S11_next   = state[S1]    & d;
    assign B3_next    = state[B2];
    assign S110_next  = (state[S11]  & ~d);
    assign B0_next    = state[S110]  & d;
    assign B1_next    = state[B0];
    assign B2_next    = state[B1];
    assign Count_next = state[B3]    | (state[Count] & ~done_counting);
    assign Wait_next  = (state[Count] & done_counting) | (state[Wait] & ~ack);

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

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
);

    // Define state positions for clarity
    localparam S     = 10'b0000000001;
    localparam S1    = 10'b0000000010;
    localparam S11   = 10'b0000000100;
    localparam S110  = 10'b0000001000;
    localparam B0    = 10'b0000010000;
    localparam B1    = 10'b0000100000;
    localparam B2    = 10'b0001000000;
    localparam B3    = 10'b0010000000;
    localparam Count = 10'b0100000000;
    localparam Wait  = 10'b1000000000;

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

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

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 assignments
    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 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 B3_next      = (B2);

    // 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
 );

    // One-hot encoded states
    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 S_next = S & ~d | S1 & ~d | S110 & ~d | Wait & ack;
    assign S1_next = S & d;
    assign S11_next = S1 & d | S11 & d;
    assign S110_next = S11 & ~d;
    assign B0_next = S110 & d;
    assign B1_next = B0;
    assign B2_next = B1;
    assign B3_next = B2;
    assign Count_next = B3 | (Count & ~done_counting);
    assign Wait_next = Count & done_counting | (Wait & ~ack);

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

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 S_next = (S & ~d) | (S1 & ~d) | (S110 & ~d) | (Wait & ack);
    assign S1_next = (S & d);
    assign B3_next = B2;
    assign Count_next = B3;
    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
    localparam S     = 10'b0000000001;
    localparam S1    = 10'b0000000010;
    localparam S11   = 10'b0000000100;
    localparam S110  = 10'b0000001000;
    localparam B0    = 10'b0000010000;
    localparam B1    = 10'b0000100000;
    localparam B2    = 10'b0001000000;
    localparam B3    = 10'b0010000000;
    localparam Count = 10'b0100000000;
    localparam Wait  = 10'b1000000000;

    // Next-state logic
    assign S_next     = (state[S] & ~d) | (state[S1] & ~d) | (state[S110] & ~d) | (state[Wait] & ack);
    assign S1_next    = state[S] & d;
    assign S11_next   = state[S1] & d;
    assign S110_next  = state[S11] & ~d;
    assign B0_next    = state[S110] & d;
    assign B1_next    = state[B0];
    assign B2_next    = state[B1];
    assign B3_next    = state[B2];
    assign Count_next = (state[B3]) | (state[Count] & ~done_counting);
    assign Wait_next  = (state[Count] & done_counting) | (state[Wait] & ~ack);

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

endmodule

module top_module(
    input d,
    input done_counting,
    input ack,
    input [9:0] state,
    output B3_next,
    output S_next,
    output S1_next,
    output Count_next,
    output Wait_next,
    output done,
    output counting,
    output shift_ena
);

    // Current state encoding
    parameter S     = 10'b0000000001;
    parameter S1    = 10'b0000000010;
    parameter S11   = 10'b0000000100;
    parameter S110  = 10'b0000001000;
    parameter B0    = 10'b0000010000;
    parameter B1    = 10'b0000100000;
    parameter B2    = 10'b0001000000;
    parameter B3    = 10'b0010000000;
    parameter Count = 10'b0100000000;
    parameter Wait  = 10'b1000000000;

    // Next state logic
    assign S_next = (state[S] & ~d) |
                    (state[S1] & ~d) |
                    (state[S11] & ~d) |
                    (state[S110] & ~d) |
                    (state[Wait] & ack);

    assign S1_next = (state[S] & d);

    assign B3_next = state[B2];

    assign Count_next = state[B3] |
                        (state[Count] & ~done_counting);

    assign Wait_next = (state[Count] & done_counting) |
                       (state[Wait] & ~ack);

    // Output logic
    assign shift_ena = state[B0] |
                       state[B1] |
                       state[B2] |
                       state[B3];

    assign counting = state[Count];

    assign done = state[Wait];

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
    parameter S    = 10'b0000000001;
    parameter S1   = 10'b0000000010;
    parameter S11  = 10'b0000000100;
    parameter S110 = 10'b0000001000;
    parameter B0   = 10'b0000010000;
    parameter B1   = 10'b0000100000;
    parameter B2   = 10'b0001000000;
    parameter B3   = 10'b0010000000;
    parameter Count = 10'b0100000000;
    parameter Wait  = 10'b1000000000;

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

    // Output logic
    assign done = state[Wait];
    assign counting = state[Count];
    assign shift_ena = state[B0] | state[B1] | state[B2] | state[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
    parameter S     = 10'b0000000001;
    parameter S1    = 10'b0000000010;
    parameter S11   = 10'b0000000100;
    parameter S110  = 10'b0000001000;
    parameter B0    = 10'b0000010000;
    parameter B1    = 10'b0000100000;
    parameter B2    = 10'b0001000000;
    parameter B3    = 10'b0010000000;
    parameter Count = 10'b0100000000;
    parameter Wait  = 10'b1000000000;

    // Next-state logic
    assign S_next     = (state[S] & ~d) | (state[S1] & ~d) | (state[S110] & ~d) | (state[Wait] & ack);
    assign S1_next    = state[S] & d;
    assign S11_next   = state[S1] & d;
    assign S110_next  = state[S11] & ~d;
    assign B0_next    = state[S110] & d;
    assign B1_next    = state[B0];
    assign B2_next    = state[B1];
    assign B3_next    = state[B2];
    assign Count_next = (state[B3]) | (state[Count] & ~done_counting);
    assign Wait_next  = (state[Count] & done_counting) | (state[Wait] & ~ack);

    // Output logic
    assign done       = state[Wait];
    assign counting   = state[Count];
    assign shift_ena  = state[B0] | state[B1] | state[B2] | state[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 definitions for one-hot encoding
    localparam S      = 10'b0000000001;
    localparam S1     = 10'b0000000010;
    localparam S11    = 10'b0000000100;
    localparam S110   = 10'b0000001000;
    localparam B0     = 10'b0000010000;
    localparam B1     = 10'b0000100000;
    localparam B2     = 10'b0001000000;
    localparam B3     = 10'b0010000000;
    localparam Count  = 10'b0100000000;
    localparam Wait   = 10'b1000000000;

    // Next-state logic
    assign S_next = (state[S] & ~d) | (state[S1] & ~d) | (state[S11] & ~d) | (state[S110] & ~d) |
                    (state[Wait] & ack);

    assign S1_next = state[S] & d;

    assign B3_next = state[B2];

    assign Count_next = state[B3];

    assign Wait_next = (state[Count] & done_counting) | (state[Wait] & ~ack);

    // Output logic
    assign done = state[Wait];

    assign counting = state[Count];

    assign shift_ena = state[B0] | state[B1] | state[B2] | state[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
                // Increment the counter up to a maximum of 3
                if (state < 2'b11) begin
                    state <= state + 1;
                end
            end else begin
                // Decrement the counter down to a minimum of 0
                if (state > 2'b00) begin
                    state <= state - 1;
                end
            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)
            state <= 2'b01;
        else if (train_valid) begin
            if (train_taken) begin
                if (state < 2'b11)
                    state <= state + 1;
            end else begin
                if (state > 2'b00)
                    state <= state - 1;
            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; // Weakly not-taken
        end else if (train_valid) begin
            if (train_taken) begin
                if (state < 2'b11) begin
                    state <= state + 1;
                end
            end else begin
                if (state > 2'b00) begin
                    state <= state - 1;
                end
            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; // Weakly not-taken state
        end else if (train_valid) begin
            if (train_taken && state < 2'b11) begin
                state <= state + 1;
            end else if (!train_taken && state > 2'b00) begin
                state <= state - 1;
            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; // weakly not-taken
        end else if (train_valid) begin
            if (train_taken) begin
                if (state < 2'b11) begin
                    state <= state + 2'b01;
                end
            end else begin
                if (state > 2'b00) begin
                    state <= state - 2'b01;
                end
            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; // weakly not-taken
        end else if (train_valid) begin
            if (train_taken) begin
                if (state != 2'b11) begin
                    state <= state + 2'b01;
                end
            end else begin
                if (state != 2'b00) begin
                    state <= state - 2'b01;
                end
            end
        end
    end

endmodule

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

    always @(posedge clk or posedge areset) begin
        if (areset) begin
            state <= 2'b01; // Weakly not-taken
        end else if (train_valid) begin
            if (train_taken) begin
                if (state < 2'b11)
                    state <= state + 2'b01; // Increment
            end else begin
                if (state > 2'b00)
                    state <= state - 2'b01; // Decrement
            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; // weakly not-taken
        end else if (train_valid) begin
            if (train_taken) begin
                if (state < 2'b11)
                    state <= state + 1;
            end else begin
                if (state > 2'b00)
                    state <= state - 1;
            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
                if (state < 2'b11) begin
                    state <= state + 2'b01; // Increment, saturate at 3
                end
            end else begin
                if (state > 2'b00) begin
                    state <= state - 2'b01; // Decrement, saturate at 0
                end
            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 && state < 2'b11) begin
                state <= state + 1; // Increment counter
            end else if (!train_taken && state > 2'b00) begin
                state <= state - 1; // Decrement counter
            end
            // If not taken and at minimum, or taken and at maximum, do nothing
        end
        // If train_valid is 0, maintain current state
    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; // weakly not-taken
        end
        else if (train_valid) begin
            if (train_taken && state < 2'b11) begin
                state <= state + 1;
            end
            else if (!train_taken && state > 2'b00) begin
                state <= state - 1;
            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;
        end
        else if (train_valid) begin
            if (train_taken) begin
                if (state < 2'b11)
                    state <= state + 2'b01;
            end
            else begin
                if (state > 2'b00)
                    state <= state - 2'b01;
            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
                if (state < 2'b11) begin
                    state <= state + 1;  // Increment if not saturated
                end
            end else begin
                if (state > 2'b00) begin
                    state <= state - 1;  // Decrement if not at minimum
                end
            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; // weakly not-taken
        end
        else if (train_valid) begin
            if (train_taken) begin
                if (state < 2'b11) begin
                    state <= state + 1; // Increment
                end
            end
            else begin
                if (state > 2'b00) begin
                    state <= state - 1; // Decrement
                end
            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
                if (state < 2'b11) begin
                    state <= state + 2'b01; // Increment
                end
            end
            else begin
                if (state > 2'b00) begin
                    state <= state - 2'b01; // Decrement
                end
            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; // Weakly not-taken
        end
        else if (train_valid) begin
            if (train_taken) begin
                if (state < 2'b11) begin
                    state <= state + 2'b01;
                end
            end
            else begin
                if (state > 2'b00) begin
                    state <= state - 2'b01;
                end
            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;
        end else if (train_valid) begin
            if (train_taken && state != 2'b11) begin
                state <= state + 1;
            end else if (!train_taken && state != 2'b00) begin
                state <= state - 1;
            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; // weakly not-taken
        end else if (train_valid) begin
            if (train_taken) begin
                if (state < 2'b11) begin
                    state <= state + 1;
                end
            end else begin
                if (state > 2'b00) begin
                    state <= state - 1;
                end
            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
                if (state < 2'b11) begin
                    state <= state + 2'b01; // Increment if not at max
                end
            end
            else begin
                if (state > 2'b00) begin
                    state <= state - 2'b01; // Decrement if not at min
                end
            end
        end
        // If train_valid is 0, state remains unchanged
    end

endmodule


module top_module (
    input [7:0] in,
    output reg [2:0] pos
);
    always @(*) begin
        casex(in)
            8'bxxxxxxx1: pos = 3'd0;
            8'bxxxxxx10: pos = 3'd1;
            8'bxxxxx100: pos = 3'd2;
            8'bxxxx1000: pos = 3'd3;
            8'bxxx10000: pos = 3'd4;
            8'bxx100000: pos = 3'd5;
            8'bx1000000: 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
        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
        casex (in)
            8'b00000001: pos = 3'd0;
            8'b0000001x: pos = 3'd1;
            8'b000001xx: pos = 3'd2;
            8'b00001xxx: pos = 3'd3;
            8'b0001xxxx: pos = 3'd4;
            8'b001xxxxx: pos = 3'd5;
            8'b01xxxxxx: pos = 3'd6;
            8'b1xxxxxxx: 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] == 1'b1)
            pos = 3'd0;
        else if (in[1] == 1'b1)
            pos = 3'd1;
        else if (in[2] == 1'b1)
            pos = 3'd2;
        else if (in[3] == 1'b1)
            pos = 3'd3;
        else if (in[4] == 1'b1)
            pos = 3'd4;
        else if (in[5] == 1'b1)
            pos = 3'd5;
        else if (in[6] == 1'b1)
            pos = 3'd6;
        else if (in[7] == 1'b1)
            pos = 3'd7;
        else
            pos = 3'd0;
    end

endmodule

module top_module (
    input [7:0] in,
    output reg [2:0] pos
);
    always @(*) begin
        case (in)
            8'b00000001: pos = 3'd0;
            8'b0000001x: pos = 3'd1;
            8'b000001xx: pos = 3'd2;
            8'b00001xxx: pos = 3'd3;
            8'b0001xxxx: pos = 3'd4;
            8'b001xxxxx: pos = 3'd5;
            8'b01xxxxxx: pos = 3'd6;
            8'b1xxxxxxx: pos = 3'd7;
            default: pos = 3'd0;
        endcase
    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
);

    logic [31:0] current_history;

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

    assign predict_history = current_history;

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 @(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 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;  // reset history counter to zero
        end
        else if (train_mispredicted) begin
            // On misprediction, load history with train_history concatenated with train_taken
            predict_history <= {train_history[30:0], train_taken};
        end
        else if (predict_valid) begin
            // On valid prediction, shift in predict_taken from the LSB side
            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 if (train_mispredicted) begin
            // Load the history before the mispredicted branch concatenated with the actual result
            predict_history <= {train_history[30:0], train_taken};
        end else if (predict_valid) begin
            // Shift in predict_taken
            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 if (train_mispredicted) begin
            // Load branch history register with the history after mispredicted branch
            predict_history <= {train_history[30:0], train_taken};
        end else if (predict_valid) begin
            // Shift in predict_taken into the LSB (youngest branch direction)
            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
);

    // Internal register to hold the history state
    logic [31:0] history_reg;

    always_ff @(posedge clk or posedge areset) begin
        if (areset) begin
            // Reset the history register to zero on asynchronous reset
            history_reg <= 32'b0;
        end
        else if (train_mispredicted) begin
            // On misprediction, load the combined train_history and train_taken
            history_reg <= {train_history[30:0], train_taken};
        end
        else if (predict_valid) begin
            // On valid prediction, shift in predict_taken
            history_reg <= {history_reg[30:0], predict_taken};
        end
    end

    // Assign the current history register to the output
    assign predict_history = history_reg;

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 a,
    input b,
    input c,
    input d,
    output out,
    output out_n
);
    wire and1_out;
    wire 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 a,
    input b,
    input c,
    input d,
    output out,
    output out_n );

    wire and1_out;
    wire and2_out;

    // First layer of AND gates
    assign and1_out = a & b;
    assign and2_out = c & d;

    // Second layer OR gate
    assign out = and1_out | and2_out;

    // Inverted output
    assign out_n = ~out;

endmodule

module top_module (
    input a,
    input b,
    input c,
    input d,
    output out,
    output out_n
);
    wire and1_out;
    wire and2_out;

    and and1 (and1_out, a, b);
    and and2 (and2_out, c, d);
    or  or1  (out, and1_out, and2_out);
    not not1 (out_n, out);

endmodule

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

    wire and1_out, and2_out;

    // First layer: AND gates
    assign and1_out = a & b;
    assign and2_out = c & d;

    // Second layer: OR gate
    assign out = and1_out | and2_out;

    // Inverted output
    assign out_n = ~out;

endmodule

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

    wire and1_out, and2_out;

    // First layer of gates: AND gates
    and and_gate1 (and1_out, a, b);
    and and_gate2 (and2_out, c, d);

    // Second layer of gate: OR gate
    or or_gate (out, and1_out, and2_out);

    // Inverted output
    not not_gate (out_n, out);

endmodule

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

    wire and1_out, and2_out;

    and and1 (and1_out, a, b);
    and and2 (and2_out, c, d);
    or  or1 (out, and1_out, and2_out);
    not not1 (out_n, out);

endmodule

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

    wire and1, and2;

    // First layer of the circuit
    assign and1 = a & b;
    assign and2 = c & d;

    // Second layer of the circuit
    assign out = and1 | and2;

    // Inverted output
    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


module top_module(
    input mode,
    input too_cold,
    input too_hot,
    input fan_on,
    output reg heater,
    output reg aircon,
    output reg fan
);

always @(*) begin
    if (mode) begin // Heating mode
        heater = too_cold;
        aircon = 0;
    end else begin // Cooling mode
        heater = 0;
        aircon = too_hot;
    end
    fan = (heater || aircon || fan_on);
end

endmodule

module top_module(
	input mode,
	input too_cold,
	input too_hot,
	input fan_on,
	output heater,
	output aircon,
	output fan
);

    assign heater = mode && too_cold;
    assign aircon = ~mode && too_hot;
    assign fan = heater || aircon || fan_on;

endmodule

module top_module(
    input mode,
    input too_cold,
    input too_hot,
    input fan_on,
    output heater,
    output aircon,
    output fan
);

    assign heater = mode & too_cold;
    assign aircon = ~mode & too_hot;
    assign fan = heater | aircon | fan_on;

endmodule

module top_module(
    input mode,
    input too_cold,
    input too_hot,
    input fan_on,
    output reg heater,
    output reg aircon,
    output reg fan
);

    always @(*) begin
        // Default state for outputs
        heater = 0;
        aircon = 0;
        fan = fan_on; // Fan is turned on if requested by the user

        if (mode == 1) begin
            // Heating mode
            if (too_cold) begin
                heater = 1;
                fan = 1;
            end
        end else begin
            // Cooling mode
            if (too_hot) begin
                aircon = 1;
                fan = 1;
            end
        end
    end

endmodule

module top_module(
	input mode,
	input too_cold,
	input too_hot,
	input fan_on,
	output heater,
	output aircon,
	output fan
);
    // Heater control: active only in heating mode and when too cold
    assign heater = mode & too_cold;

    // Air conditioner control: active only in cooling mode and when too hot
    assign aircon = ~mode & too_hot;

    // Fan control: active if heater or aircon is on, or if fan_on is set
    assign fan = heater | aircon | fan_on;

endmodule

module top_module(
    input mode,
    input too_cold,
    input too_hot,
    input fan_on,
    output heater,
    output aircon,
    output fan
);

    // Heater control: active in heating mode and when too_cold is asserted.
    assign heater = mode & too_cold;

    // Air conditioning control: active in cooling mode and when too_hot is asserted.
    assign aircon = ~mode & too_hot;

    // Fan control: active if either the heater or aircon is on, or if fan_on is asserted by the user.
    assign fan = heater | aircon | fan_on;

endmodule

module top_module(
    input mode,
    input too_cold,
    input too_hot,
    input fan_on,
    output reg heater,
    output reg aircon,
    output reg fan
);

    always @(*) begin
        if (mode == 1) begin // Heating mode
            heater = too_cold;
            aircon = 0;
        end else begin // Cooling mode
            heater = 0;
            aircon = too_hot;
        end

        fan = heater || aircon || fan_on;
    end

endmodule

module top_module(
    input mode,
    input too_cold,
    input too_hot,
    input fan_on,
    output reg heater,
    output reg aircon,
    output reg fan
);

    always @(*) begin
        if (mode) begin // Heating mode
            heater = too_cold;
            aircon = 0;
        end else begin // Cooling mode
            heater = 0;
            aircon = too_hot;
        end

        // Fan logic - Fan is on if heater or aircon is on, or if fan_on is requested
        fan = heater || aircon || fan_on;
    end

endmodule

module top_module(
    input mode,
    input too_cold,
    input too_hot,
    input fan_on,
    output heater,
    output aircon,
    output fan
);

    assign heater = (mode == 1'b1) && (too_cold == 1'b1);
    assign aircon = (mode == 1'b0) && (too_hot == 1'b1);
    assign fan = heater || aircon || fan_on;

endmodule

module top_module(
	input mode,
	input too_cold,
	input too_hot,
	input fan_on,
	output reg heater,
	output reg aircon,
	output reg fan
);

	always @(*) begin
		// Default states
		heater = 0;
		aircon = 0;
		fan = 0;

		if (mode) begin // Heating mode
			if (too_cold) begin
				heater = 1;
			end
		end else begin // Cooling mode
			if (too_hot) begin
				aircon = 1;
			end
		end

		if (heater || aircon || fan_on) begin
			fan = 1;
		end
	end

endmodule

module top_module(
    input mode,
    input too_cold,
    input too_hot,
    input fan_on,
    output heater,
    output aircon,
    output fan
);

    assign heater = mode & too_cold;
    assign aircon = ~mode & too_hot;
    assign fan = fan_on | heater | aircon;

endmodule

module top_module(
    input mode,
    input too_cold,
    input too_hot,
    input fan_on,
    output reg heater,
    output reg aircon,
    output reg fan
);

    always @(*) begin
        // Default values
        heater = 0;
        aircon = 0;
        fan = fan_on;

        if (mode == 1) begin // Heating mode
            if (too_cold) begin
                heater = 1;
                fan = 1;
            end
        end else begin // Cooling mode
            if (too_hot) begin
                aircon = 1;
                fan = 1;
            end
        end
    end

endmodule

module top_module(
    input mode,
    input too_cold,
    input too_hot,
    input fan_on,
    output reg heater,
    output reg aircon,
    output reg fan
);

    always @(*) begin
        if (mode) begin // Heating mode
            heater = too_cold;
            aircon = 0;
        end else begin // Cooling mode
            heater = 0;
            aircon = too_hot;
        end
        fan = heater || aircon || fan_on;
    end

endmodule

module top_module(
	input mode,
	input too_cold,
	input too_hot,
	input fan_on,
	output reg heater,
	output reg aircon,
	output reg fan
);

always @(*) begin
    if (mode) begin // Heating mode
        heater = too_cold;
        aircon = 0;
    end else begin // Cooling mode
        heater = 0;
        aircon = too_hot;
    end

    // Fan logic
    fan = heater || aircon || fan_on;
end

endmodule


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

    // Sum-of-Products (SOP) for output 'out_sop'
    assign out_sop = (~a & b & c & d) | (a & ~b & c & d) | (a & b & c & d);

    // Product-of-Sums (POS) for output 'out_pos'
    assign out_pos = (a | ~b | ~c | ~d) & (~a | ~b | c | ~d) & (~a | ~b | ~c | d) & (~a | b | ~c | ~d);

endmodule

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

    // SOP: Sum-of-Products for 2, 7, 15
    assign out_sop = (~a & ~b & c & ~d) | // 2: 0010
                     (~a & b & c & d)   | // 7: 0111
                     (a & b & c & d);     // 15: 1111

    // POS: Product-of-Sums for 0, 1, 4, 5, 6, 9, 10, 13, 14
    assign out_pos = (a | b | ~c | d) &   // excludes 0, 1, 4, 5, 6, 9, 10
                     (a | ~b | ~c | ~d) & // excludes 0, 9
                     (~a | ~b | ~c | d) & // excludes 0, 1, 4, 5, 6
                     (a | b | c | ~d);    // excludes 0, 4, 5, 6, 10, 13, 14

endmodule

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

    // Sum-of-Products (SOP) form
    assign out_sop = (~a & ~b & c & ~d) | // 2: 0010
                     (a & b & c & d)   | // 15: 1111
                     (~a & b & c & d);   // 7: 0111

    // Product-of-Sums (POS) form
    assign out_pos = (a | ~b | ~c | d) & // Covers 0, 1, 4, 5, 6
                     (a | b | c | ~d)  & // Covers 9, 10
                     (~a | b | ~c | d) & // Covers 13
                     (a | b | ~c | d);    // Covers 14

endmodule

module top_module (
    input a,
    input b,
    input c,
    input d,
    output out_sop,
    output out_pos
);
    // Minimum Sum-of-Products (SOP) form
    // Terms needed: m2, m7, m15
    assign out_sop = (~a & ~b & c & ~d) | // m2
                     (~a & b & c & d)   | // m7
                     (a & b & c & d);   // m15

    // Minimum Product-of-Sums (POS) form
    // Terms: M0, M1, M4, M5, M6, M9, M10, M13, M14
    assign out_pos = (a | ~b | ~c | ~d) & // M0
                     (a | ~b | ~c | d)  & // M1
                     (a | b | ~c | ~d)  & // M4
                     (a | b | ~c | d)   & // M5
                     (~a | ~b | c | ~d) & // M6
                     (~a | b | ~c | d)  & // M9
                     (~a | b | c | ~d)  & // M10
                     (a | b | c | ~d)   & // M13
                     (a | b | ~c | ~d);   // M14

endmodule

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

    // Sum of Products (SOP)
    assign out_sop = (~a & b & ~c & d) | (a & b & c & ~d) | (a & b & c & d);

    // Product of Sums (POS)
    assign out_pos = (a | ~b | c | ~d) & (a | ~b | ~c | d) & (~a | b | c | d);

endmodule

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

    // Minimum sum-of-products (SOP) form for generating logic-1 for 2, 7, 15
    // 2 -> abcd = 0010, 7 -> abcd = 0111, 15 -> abcd = 1111
    assign out_sop = (~a & b & ~c & ~d) | (a & b & c & d) | (~a & b & c & ~d);

    // Minimum product-of-sums (POS) form to generate logic-0 for 0, 1, 4, 5, 6, 9, 10, 13, 14
    // 0 -> abcd = 0000, 1 -> abcd = 0001, 4 -> abcd = 0100, 5 -> abcd = 0101,
    // 6 -> abcd = 0110, 9 -> abcd = 1001, 10 -> abcd = 1010, 13 -> abcd = 1101,
    // 14 -> abcd = 1110
    assign out_pos = (a | ~b | ~c | d) & (a | ~b | c | ~d) & (a | ~b | c | d) &
                     (a | b | ~c | ~d) & (a | b | ~c | d) & (a | b | c | ~d);

endmodule

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

    wire [3:0] in;
    assign in = {a, b, c, d};

    // Sum-of-Products (SOP)
    assign out_sop = ((~a & ~b &  c &  d) | // 2: 0010
                      ( b &  c &  d)    | // 7: 0111
                      ( a &  b &  c &  d)); // 15: 1111

    // Product-of-Sums (POS)
    assign out_pos = ( (a |  b | ~c | ~d) & // ~2: 0010
                       (a | ~b | ~c | ~d) & // ~7: 0111
                       (~a | ~b | ~c | ~d) ); // ~15: 1111

endmodule

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

    // Minimum Sum-Of-Products (SOP) for 2, 7, 15
    assign out_sop = (~a & ~b & c & ~d) |    // 2
                     (~a & b & c & d)   |    // 7
                     (a & b & c & d);       // 15

    // Minimum Product-Of-Sums (POS) for 0, 1, 4, 5, 6, 9, 10, 13, 14
    assign out_pos = (a | b | ~c | d) &      // 0, 2, 8, 9, 10
                     (a | ~b | ~c | ~d) &    // 1, 3, 9, 11
                     (~a | ~b | c | ~d) &    // 4, 6, 7, 15
                     (~a | b | c | ~d);      // 5, 7, 13, 15

endmodule

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

    // SOP form: out_sop = m(2, 7, 15)
    assign out_sop = (~a & ~b & c & ~d) | (~a & b & c & d) | (a & b & c & d);

    // POS form: out_pos = M(0, 1, 4, 5, 6, 9, 10, 13, 14)
    assign out_pos = (b | c | d) & (a | b | ~c) & (a | ~c | d) & (a | ~b | c | ~d);

endmodule

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

    // Sum-of-Products (SOP)
    // 2: 0010, 7: 0111, 15: 1111
    assign out_sop = (~a & ~b & c & ~d) | (~a & b & c & d) | (a & b & c & d);

    // Product-of-Sums (POS)
    // Covers all outputs for 0, 1, 4, 5, 6, 9, 10, 13, 14 (often easier to start with POS as zeros)
    // Zero locations can be described in POS form
    assign out_pos = (a | b | ~c | d) & (a | ~b | c | d) & (a | ~b | c | ~d) &
                     (a | ~b | ~c | d) & (~a | b | c | ~d);

endmodule

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

    // out_sop in minimum sum-of-products form
    assign out_sop = (~a & ~b & c & d) | (a & b & c & d) | (a & b & ~c & d);

    // out_pos in minimum product-of-sums form
    assign out_pos = (a | ~b | ~d) & (a | ~c | ~d) & (~a | ~b | d) & (~a | c | d);

endmodule

module top_module (
    input a,
    input b,
    input c,
    input d,
    output out_sop,
    output out_pos
);
    // SOP for outputs (Sum of Products)
    assign out_sop = (~a & ~b & c & ~d) |   // 2: 0010
                     (~a & b & c & c) |     // 7: 0111
                     (a & b & c & d);       // 15: 1111

    // POS for outputs (Product of Sums)
    assign out_pos = (a | b | ~c | d) &     // ~0 1 (~1 0) (~2 4) (~3 5) (3 8) (~5 9) (~8 11) (~9 10) (~10 13) (~11 12) (~12 14)
                     (a | ~b | c | ~d) &
                     (a | ~b | ~c | d) &
                     (~a | b | c | d);

endmodule

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

    // Sum-of-Products (SOP) form
    assign out_sop = (~a & ~b & c & ~d) | (~a & b & c & d) | (a & b & c & d);

    // Product-of-Sums (POS) form
    assign out_pos = (a | b | ~c) & (a | ~b | ~d) & (~a | b | c | d);

endmodule

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

    // Sum of Products (SOP) for 2, 7, 15
    assign out_sop = (~a & ~b & c & ~d) |  // 2: 0010
                     (a & ~b & c & d)   |  // 7: 0111
                     (a & b & c & d);      // 15: 1111

    // Product of Sums (POS) for 2, 7, 15
    // For POS, we take the combination not appearing in(0, 1, 4, 5, 6, 9, 10, 13, 14)
    // So we derive it as not appearing in listed values:
    assign out_pos = (a | b | c | ~d) &   // 0: 0000
                     (a | b | ~c | ~d) &  // 1: 0001
                     (a | ~b | c | d) &   // 4: 0100
                     (a | ~b | ~c | d) &  // 5: 0101
                     (a | ~b | ~c | ~d) & // 6: 0110
                     (~a | ~b | c | ~d) & // 9: 1001
                     (~a | ~b | ~c | d) & // 10: 1010
                     (~a | b | c | ~d) &  // 13: 1101
                     (~a | b | ~c | ~d);  // 14: 1110

endmodule


module top_module (
    input a,
    input b,
    input c,
    input d,
    output q
);
    assign q = (b & c) | (b & d) | (a & d);
endmodule

module top_module (
    input a,
    input b,
    input c,
    input d,
    output q
);
    assign q = (b & d) | (a & d) | (b & c);
endmodule

module top_module (
    input a,
    input b,
    input c,
    input d,
    output q
);
    assign q = (b & d) | (a & d) | (a & c);
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 & d) | (a & c & d);
endmodule

module top_module (
    input a,
    input b,
    input c,
    input d,
    output q
);
    assign q = (b & (c | d)) | (a & d);
endmodule

module top_module (
    input a,
    input b,
    input c,
    input d,
    output q
);
    assign q = (b & d) | (a & (~b | c));
endmodule

module top_module (
    input a,
    input b,
    input c,
    input d,
    output q
);
    assign q = (b & d) | (a & c) | (a & d);
endmodule

module top_module (
    input a,
    input b,
    input c,
    input d,
    output q
);
    assign q = (b & d) | (a & c);
endmodule

module top_module (
    input a,
    input b,
    input c,
    input d,
    output q
);
    assign q = b & (c | d) | (a & d);
endmodule


module top_module(
    input p1a,
    input p1b,
    input p1c,
    input p1d,
    output p1y,
    input p2a,
    input p2b,
    input p2c,
    input p2d,
    output p2y
);

    assign p1y = ~(p1a & p1b & p1c & p1d);
    assign p2y = ~(p2a & p2b & p2c & p2d);

endmodule


module top_module (
    input [254:0] in,
    output reg [7:0] out
);
    integer i;
    always @(*) begin
        out = 8'b0;
        for (i = 0; i < 255; i = i + 1) begin
            out = out + in[i];
        end
    end
endmodule

module top_module (
	input [254:0] in,
	output reg [7:0] out
);

    integer i;
    always @(*) begin
        out = 0;
        for (i = 0; i < 255; i = i + 1) begin
            out = out + in[i];
        end
    end
endmodule

module top_module (
    input [254:0] in,
    output reg [7:0] out
);
    integer i;
    always @(*) begin
        out = 8'b0; // Initialize output to zero
        for (i = 0; i < 255; i = i + 1) begin
            out = out + in[i]; // Increment count for each '1'
        end
    end
endmodule

module top_module (
    input [254:0] in,
    output reg [7:0] out
);
    integer i;
    always @(*) begin
        out = 8'd0; // Initialize the output count to zero
        for (i = 0; i < 255; i = i + 1) begin
            out = out + in[i]; // Increment the count for each '1' found
        end
    end
endmodule

module top_module (
    input [254:0] in,
    output reg [7:0] out
);
    integer i;

    always @(*) begin
        out = 8'd0;  // Initialize output to 0
        for (i = 0; i < 255; i = i + 1) begin
            out = out + in[i];  // Add each bit of the input to the output count
        end
    end

endmodule

module top_module (
    input [254:0] in,
    output reg [7:0] out
);
    integer i;
    always @(*) begin
        out = 8'd0;
        for (i = 0; i < 255; i = i + 1) begin
            out = out + in[i];
        end
    end
endmodule

module top_module (
    input [254:0] in,
    output reg [7:0] out
);

    integer i;
    always @(*) begin
        out = 8'b0; // Initialize the count to 0
        for (i = 0; i < 255; i = i + 1) begin
            out = out + in[i];
        end
    end

endmodule

module top_module (
    input [254:0] in,
    output reg [7:0] out
);
    integer i;

    always @(*) begin
        out = 8'd0; // Initialize the output to 0
        for (i = 0; i < 255; i = i + 1) begin
            out = out + in[i];
        end
    end
endmodule

module top_module (
	input [254:0] in,
	output reg [7:0] out
);

    integer i;
    always @* begin
        out = 0;
        for (i = 0; i < 255; i = i + 1) begin
            if (in[i]) begin
                out = out + 1;
            end
        end
    end
endmodule

module top_module (
	input [254:0] in,
	output reg [7:0] out
);

    integer i; // Loop variable
    always @(*) begin
        out = 8'b0; // Initialize output to zero
        for (i = 0; i < 255; i = i + 1) begin
            out = out + in[i]; // Add each bit of input to output
        end
    end

endmodule


module top_module (
    input [3:0] in,
    output [2:0] out_both,
    output [3:1] out_any,
    output [3:0] out_different
);
    assign out_both = {in[3] & in[2], in[2] & in[1], in[1] & in[0]};
    assign out_any = {in[3] | in[2], in[2] | in[1], in[1] | in[0]};
    assign out_different = {in[3] ^ in[0], in[2] ^ in[3], in[1] ^ in[2], in[0] ^ in[1]};
endmodule

module top_module (
	input [3:0] in,
	output [2:0] out_both,
	output [3:1] out_any,
	output [3:0] out_different
);

    assign out_both[2] = in[2] & in[3];
    assign out_both[1] = in[1] & in[2];
    assign out_both[0] = in[0] & in[1];

    assign out_any[3] = in[3] | in[2];
    assign out_any[2] = in[2] | in[1];
    assign out_any[1] = in[1] | in[0];

    assign out_different[3] = in[3] ^ in[0];
    assign out_different[2] = in[2] ^ in[3];
    assign out_different[1] = in[1] ^ in[2];
    assign out_different[0] = in[0] ^ in[1];

endmodule

module top_module (
	input [3:0] in,
	output [2:0] out_both,
	output [3:1] out_any,
	output [3:0] out_different
);

    // out_both calculation
    assign out_both[2] = in[2] & in[3];
    assign out_both[1] = in[1] & in[2];
    assign out_both[0] = in[0] & in[1];

    // out_any calculation
    assign out_any[3] = in[3] | in[2];
    assign out_any[2] = in[2] | in[1];
    assign out_any[1] = in[1] | in[0];

    // out_different calculation
    assign out_different[3] = in[3] ^ in[0];
    assign out_different[2] = in[2] ^ in[3];
    assign out_different[1] = in[1] ^ in[2];
    assign out_different[0] = in[0] ^ in[1];

endmodule

module top_module (
    input [3:0] in,
    output [2:0] out_both,
    output [3:1] out_any,
    output [3:0] out_different
);

    // Calculate out_both
    assign out_both[2] = in[2] & in[3];
    assign out_both[1] = in[1] & in[2];
    assign out_both[0] = in[0] & in[1];

    // Calculate out_any
    assign out_any[3] = in[3] | in[2];
    assign out_any[2] = in[2] | in[1];
    assign out_any[1] = in[1] | in[0];

    // Calculate out_different (with wrapping around)
    assign out_different[3] = in[3] ^ in[0];
    assign out_different[2] = in[2] ^ in[3];
    assign out_different[1] = in[1] ^ in[2];
    assign out_different[0] = in[0] ^ in[1];

endmodule

module top_module (
    input [3:0] in,
    output [2:0] out_both,
    output [3:1] out_any,
    output [3:0] out_different
);

    assign out_both[2:0] = {in[2] & in[3], in[1] & in[2], in[0] & in[1]};
    assign out_any[3:1] = {in[3] | in[2], in[2] | in[1], in[1] | in[0]};
    assign out_different = {in[3] ^ in[0], in[2] ^ in[3], in[1] ^ in[2], in[0] ^ in[1]};

endmodule

module top_module (
	input [3:0] in,
	output [2:0] out_both,
	output [3:1] out_any,
	output [3:0] out_different
);

    // Calculate out_both
    assign out_both[2] = in[2] & in[3];
    assign out_both[1] = in[1] & in[2];
    assign out_both[0] = in[0] & in[1];

    // Calculate out_any
    assign out_any[3] = in[3] | in[2];
    assign out_any[2] = in[2] | in[1];
    assign out_any[1] = in[1] | in[0];

    // Calculate out_different with wrap-around
    assign out_different[3] = in[3] ^ in[0];
    assign out_different[2] = in[2] ^ in[3];
    assign out_different[1] = in[1] ^ in[2];
    assign out_different[0] = in[0] ^ in[1];

endmodule

module top_module (
	input [3:0] in,
	output [2:0] out_both,
	output [3:1] out_any,
	output [3:0] out_different
);

    // Calculate out_both
    assign out_both[2] = in[2] & in[3];
    assign out_both[1] = in[1] & in[2];
    assign out_both[0] = in[0] & in[1];

    // Calculate out_any
    assign out_any[3] = in[3] | in[2];
    assign out_any[2] = in[2] | in[1];
    assign out_any[1] = in[1] | in[0];

    // Calculate out_different
    assign out_different[3] = in[3] ^ in[0];
    assign out_different[2] = in[2] ^ in[3];
    assign out_different[1] = in[1] ^ in[2];
    assign out_different[0] = in[0] ^ in[1];

endmodule

module top_module (
    input [3:0] in,
    output [2:0] out_both,
    output [3:1] out_any,
    output [3:0] out_different
);
    // Compute out_both
    assign out_both[2] = in[2] & in[3];
    assign out_both[1] = in[1] & in[2];
    assign out_both[0] = in[0] & in[1];

    // Compute out_any
    assign out_any[3] = in[3] | in[2];
    assign out_any[2] = in[2] | in[1];
    assign out_any[1] = in[1] | in[0];

    // Compute out_different
    assign out_different[3] = in[3] ^ in[0];
    assign out_different[2] = in[2] ^ in[3];
    assign out_different[1] = in[1] ^ in[2];
    assign out_different[0] = in[0] ^ in[1];
endmodule

module top_module (
    input [3:0] in,
    output [2:0] out_both,
    output [3:1] out_any,
    output [3:0] out_different
);
    // (1) out_both: Check if both the current bit and the bit to the left are 1
    assign out_both[0] = in[0] & in[1];
    assign out_both[1] = in[1] & in[2];
    assign out_both[2] = in[2] & in[3];

    // (2) out_any: Check if any of the current bit and the bit to the right are 1
    assign out_any[3] = in[3] | in[2];
    assign out_any[2] = in[2] | in[1];
    assign out_any[1] = in[1] | in[0];

    // (3) out_different: Check if the current bit is different from the bit to the left, considering wrap-around
    assign out_different[0] = in[0] ^ in[3]; // Wrap-around case
    assign out_different[1] = in[1] ^ in[0];
    assign out_different[2] = in[2] ^ in[1];
    assign out_different[3] = in[3] ^ in[2];

endmodule


module top_module (
	input [2:0] a,
	output reg [15:0] q
);

    always @(*) begin
        case(a)
            3'b000: q = 16'h1232;
            3'b001: q = 16'haee0;
            3'b010: q = 16'h27d4;
            3'b011: q = 16'h5a0e;
            3'b100: q = 16'h2066;
            3'b101: q = 16'h64ce;
            3'b110: q = 16'hc526;
            3'b111: q = 16'h2f19;
            default: q = 16'h0000; // Default case to handle any unlisted input
        endcase
    end

endmodule

module top_module (
	input [2:0] a,
	output reg [15:0] q
);

    always @(*) begin
        case (a)
            3'd0: q = 16'h1232;
            3'd1: q = 16'haee0;
            3'd2: q = 16'h27d4;
            3'd3: q = 16'h5a0e;
            3'd4: q = 16'h2066;
            3'd5: q = 16'h64ce;
            3'd6: q = 16'hc526;
            3'd7: q = 16'h2f19;
            default: q = 16'h0000; // Optional: Default case for safety
        endcase
    end

endmodule


module top_module(
    input clk,
    input slowena,
    input reset,
    output reg [3:0] q);

    always @(posedge clk) begin
        if (reset) begin
            q <= 4'b0000;
        end else if (slowena) begin
            if (q == 4'b1001) begin
                q <= 4'b0000;
            end else begin
                q <= q + 1'b1;
            end
        end
    end

endmodule

module top_module(
    input clk,
    input slowena,
    input reset,
    output reg [3:0] q
);

    always @(posedge clk) begin
        if (reset) begin
            q <= 4'd0;
        end else if (slowena) begin
            if (q == 4'd9) begin
                q <= 4'd0;
            end else begin
                q <= q + 4'd1;
            end
        end
    end

endmodule

module top_module(
    input clk,
    input slowena,
    input reset,
    output reg [3:0] q);

    always @(posedge clk) begin
        if (reset) begin
            q <= 4'b0000;
        end else if (slowena) begin
            if (q == 4'b1001) begin
                q <= 4'b0000;
            end else begin
                q <= q + 1;
            end
        end
    end

endmodule

module top_module(
    input clk,
    input slowena,
    input reset,
    output reg [3:0] q
);

always @(posedge clk) begin
    if (reset) begin
        q <= 4'b0000;
    end else if (slowena) begin
        if (q == 4'b1001)
            q <= 4'b0000;
        else
            q <= q + 1'b1;
    end
end

endmodule

module top_module(
	input clk,
	input slowena,
	input reset,
	output reg [3:0] q);

	always @(posedge clk) begin
		if (reset)
			q <= 4'b0000;
		else if (slowena) begin
			if (q == 4'b1001)
				q <= 4'b0000;
			else
				q <= q + 1;
		end
	end

endmodule


module top_module (
    input in1,
    input in2,
    output logic out
);
    assign out = in1 & ~in2;
endmodule

module top_module (
    input in1,
    input in2,
    output logic out
);
    assign out = in1 & ~in2; // AND gate with a bubble on `in2`
endmodule


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

    // State encoding
    typedef enum reg {A, B} state_t;
    state_t state, next_state;

    // Asynchronous reset logic and state transition
    always @(posedge clk or posedge areset) begin
        if (areset)
            state <= B; // Asynchronously reset to state B
        else
            state <= next_state;
    end

    // Next state logic
    always @(*) begin
        case (state)
            B: begin
                if (in)
                    next_state = B;
                else
                    next_state = A;
            end
            A: begin
                if (in)
                    next_state = A;
                else
                    next_state = B;
            end
            default: next_state = B;
        endcase
    end

    // Output logic
    always @(*) begin
        case (state)
            B: out = 1;
            A: out = 0;
        endcase
    end

endmodule

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

    // State encoding
    typedef enum logic [1:0] {A = 2'b00, B = 2'b01} state_t;
    state_t current_state, next_state;

    // State transition logic
    always_ff @(posedge clk or posedge areset) begin
        if (areset)
            current_state <= B; // Asynchronously reset to state B
        else
            current_state <= next_state;
    end

    // Next state logic
    always_comb begin
        case (current_state)
            A: if (in == 1'b1)
                   next_state = A;
               else
                   next_state = B;
            B: if (in == 1'b1)
                   next_state = B;
               else
                   next_state = A;
            default: next_state = B;
        endcase
    end

    // Output logic
    always_comb begin
        case (current_state)
            A: out = 1'b0;
            B: out = 1'b1;
            default: out = 1'b1; // Default to state B's output
        endcase
    end

endmodule

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

    typedef enum logic [1:0] {A = 1'b0, B = 1'b1} state_t;
    state_t state, next_state;

    // State transition logic
    always @(*) begin
        case (state)
            A: next_state = (in) ? A : B;
            B: next_state = (in) ? B : A;
        endcase
    end

    // State flip-flops with asynchronous reset
    always @(posedge clk or posedge areset) begin
        if (areset)
            state <= B;
        else
            state <= next_state;
    end

    // Output logic
    always @(*) begin
        case (state)
            A: out = 1'b0;
            B: out = 1'b1;
        endcase
    end

endmodule

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

    typedef enum reg [1:0] {A = 1'b0, B = 1'b1} state_t;
    state_t state, next_state;

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

    always @(*) begin
        case (state)
            B: if (in) next_state = B; else next_state = A;
            A: if (in) next_state = A; else next_state = B;
            default: next_state = B;
        endcase
    end

    always @(*) begin
        case (state)
            A: out = 1'b0;
            B: out = 1'b1;
            default: out = 1'b1;
        endcase
    end
endmodule

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

    // State encoding
    typedef enum reg [1:0] {
        STATE_A = 2'b00,
        STATE_B = 2'b01
    } state_type;

    state_type state, next_state;

    // State transition logic
    always @(*) begin
        case (state)
            STATE_B: begin
                if (in)
                    next_state = STATE_B;
                else
                    next_state = STATE_A;
            end
            STATE_A: begin
                if (in)
                    next_state = STATE_A;
                else
                    next_state = STATE_B;
            end
        endcase
    end

    // State flip-flops with asynchronous reset
    always @(posedge clk or posedge areset) begin
        if (areset)
            state <= STATE_B;
        else
            state <= next_state;
    end

    // Output logic
    always @(*) begin
        case (state)
            STATE_B: out = 1;
            STATE_A: out = 0;
            default: out = 0;  // Optional default case
        endcase
    end

endmodule

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

    // State encoding
    typedef enum reg [1:0] { A = 2'b00, B = 2'b01 } state_t;
    state_t state, next_state;

    always @(posedge clk or posedge areset) begin
        if (areset)
            state <= B; // Asynchronous reset to state B
        else
            state <= next_state; // Transition to the next state
    end

    always @(*) begin
        // Default assignment
        next_state = state;
        out = 1'b0;

        // State transition and output logic
        case (state)
            A: begin
                out = 1'b0;
                if (in == 1'b0)
                    next_state = B;
                else
                    next_state = A;
            end
            B: begin
                out = 1'b1;
                if (in == 1'b0)
                    next_state = A;
                else
                    next_state = B;
            end
        endcase
    end

endmodule

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

    // State encoding
    typedef enum reg [1:0] {
        STATE_A = 2'b00,
        STATE_B = 2'b01
    } state_t;

    state_t current_state, next_state;

    // State Transition
    always @(*) begin
        case (current_state)
            STATE_A: begin
                if (in == 1'b0) begin
                    next_state = STATE_B;
                end else begin
                    next_state = STATE_A;
                end
            end
            STATE_B: begin
                if (in == 1'b0) begin
                    next_state = STATE_A;
                end else begin
                    next_state = STATE_B;
                end
            end
            default: next_state = STATE_B; // Default to reset state
        endcase
    end

    // State Register with Asynchronous Reset
    always @(posedge clk or posedge areset) begin
        if (areset) begin
            current_state <= STATE_B;
        end else begin
            current_state <= next_state;
        end
    end

    // Output Logic
    always @(*) begin
        case (current_state)
            STATE_A: out = 1'b0;
            STATE_B: out = 1'b1;
            default: out = 1'b0;
        endcase
    end

endmodule

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

    // State encoding
    typedef enum logic [1:0] {
        STATE_A = 2'b00,
        STATE_B = 2'b01
    } state_t;

    state_t state, next_state;

    // State transition logic
    always_comb begin
        case (state)
            STATE_A: begin
                if (in)
                    next_state = STATE_A;
                else
                    next_state = STATE_B;
            end

            STATE_B: begin
                if (in)
                    next_state = STATE_B;
                else
                    next_state = STATE_A;
            end

            default: next_state = STATE_B; // This is just a safe default
        endcase
    end

    // State register logic
    always_ff @(posedge clk or posedge areset) begin
        if (areset)
            state <= STATE_B; // Asynchronous reset to state B
        else
            state <= next_state;
    end

    // Output logic
    always_ff @(posedge clk or posedge areset) begin
        if (areset)
            out <= 1'b1; // For state B
        else begin
            case (state)
                STATE_A: out <= 1'b0;
                STATE_B: out <= 1'b1;
                default: out <= 1'b1;
            endcase
        end
    end

endmodule

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

    typedef enum reg {A, B} state_t;
    state_t state, next_state;

    // State transition logic
    always @(posedge clk or posedge areset) begin
        if (areset) begin
            state <= B;
        end else begin
            state <= next_state;
        end
    end

    // Next state logic
    always @(*) begin
        case (state)
            A: begin
                if (in == 1'b0) next_state = B;
                else            next_state = A;
            end
            B: begin
                if (in == 1'b0) next_state = A;
                else            next_state = B;
            end
        endcase
    end

    // Output logic
    always @(*) begin
        case (state)
            A: out = 1'b0;
            B: out = 1'b1;
        endcase
    end

endmodule

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

    // State encoding
    typedef enum reg [1:0] {A = 2'b00, B = 2'b01} state_t;
    state_t state, next_state;

    // State transition logic
    always @(*) begin
        case (state)
            A: begin
                if (in)
                    next_state = A;
                else
                    next_state = B;
            end
            B: begin
                if (in)
                    next_state = B;
                else
                    next_state = A;
            end
            default: next_state = B; // Default state, should never happen
        endcase
    end

    // State flip-flops with asynchronous reset
    always @(posedge clk or posedge areset) begin
        if (areset)
            state <= B;
        else
            state <= next_state;
    end

    // Output logic
    always @(*) begin
        case (state)
            A: out = 0;
            B: out = 1;
            default: out = 1'b0; // Default output, should never happen
        endcase
    end

endmodule

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

	// State encoding
	localparam A = 1'b0;
	localparam B = 1'b1;

	reg state, next_state;

	// State transition
	always @(*) begin
		case (state)
			A: next_state = (in == 1'b0) ? B : A;
			B: next_state = (in == 1'b0) ? A : B;
			default: next_state = B;
		endcase
	end

	// State register with asynchronous reset
	always @(posedge clk or posedge areset) begin
		if (areset) begin
			state <= B;
		end else begin
			state <= next_state;
		end
	end

	// Output logic
	always @(*) begin
		case (state)
			A: out = 1'b0;
			B: out = 1'b1;
			default: out = 1'b1;
		endcase
	end

endmodule

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

    typedef enum reg {A, B} state_t;
    state_t current_state, next_state;

    // State transition logic
    always @(*) begin
        case (current_state)
            B: if (in)
                    next_state = B;
                else
                    next_state = A;
            A: if (in)
                    next_state = A;
                else
                    next_state = B;
            default: next_state = B;
        endcase
    end

    // State flip-flops with asynchronous reset
    always @(posedge clk or posedge areset) begin
        if (areset)
            current_state <= B;
        else
            current_state <= next_state;
    end

    // Output logic
    always @(*) begin
        case (current_state)
            B: out = 1;
            A: out = 0;
            default: out = 0;
        endcase
    end

endmodule

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

    // State encoding
    typedef enum reg [1:0] {STATE_A = 2'b00, STATE_B = 2'b01} state_t;

    state_t current_state, next_state;

    // State transition logic (combinational)
    always @(*) begin
        case (current_state)
            STATE_A: begin
                if (in) begin
                    next_state = STATE_A;
                end else begin
                    next_state = STATE_B;
                end
            end
            STATE_B: begin
                if (in) begin
                    next_state = STATE_B;
                end else begin
                    next_state = STATE_A;
                end
            end
            default: begin
                next_state = STATE_B;
            end
        endcase
    end

    // State flip-flops with asynchronous reset
    always @(posedge clk or posedge areset) begin
        if (areset) begin
            current_state <= STATE_B;
        end else begin
            current_state <= next_state;
        end
    end

    // Output logic
    always @(*) begin
        case (current_state)
            STATE_A: out = 1'b0;
            STATE_B: out = 1'b1;
            default: out = 1'b0;
        endcase
    end

endmodule

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

    // State Encoding
    typedef enum reg [1:0] {A = 2'd0, B = 2'd1} state_t;
    state_t state, next_state;

    // State Transition Logic
    always @(*) begin
        case (state)
            B: begin
                if (in == 1'b0)
                    next_state = A;
                else
                    next_state = B;
                out = 1'b1;
            end

            A: begin
                if (in == 1'b0)
                    next_state = B;
                else
                    next_state = A;
                out = 1'b0;
            end

            default: begin
                next_state = B;
                out = 1'b1;
            end
        endcase
    end

    // State Flip-Flops with Asynchronous Reset
    always @(posedge clk or posedge areset) begin
        if (areset)
            state <= B;
        else
            state <= next_state;
    end

endmodule

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

    // State encoding
    typedef enum reg [1:0] {STATE_A = 1'b0, STATE_B = 1'b1} state_t;
    state_t state, next_state;

    // State transition logic
    always @(*) begin
        case (state)
            STATE_A: begin
                if (in == 0)
                    next_state = STATE_B;
                else
                    next_state = STATE_A;
            end
            STATE_B: begin
                if (in == 0)
                    next_state = STATE_A;
                else
                    next_state = STATE_B;
            end
            default: next_state = STATE_B; // Default to state B
        endcase
    end

    // State register with asynchronous reset
    always @(posedge clk or posedge areset) begin
        if (areset)
            state <= STATE_B;
        else
            state <= next_state;
    end

    // Output logic
    always @(*) begin
        case (state)
            STATE_A: out = 1'b0;
            STATE_B: out = 1'b1;
            default: out = 1'b1; // Default to state B's output
        endcase
    end

endmodule

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

    reg state, next_state;
    parameter A = 1'b0, B = 1'b1;

    // State transition
    always @(posedge clk or posedge areset) begin
        if (areset)
            state <= B; // Asynchronously reset to state B
        else
            state <= next_state;
    end

    // Next state logic
    always @(*) begin
        case (state)
            A: begin
                if (in)
                    next_state = A;
                else
                    next_state = B;
            end
            B: begin
                if (in)
                    next_state = B;
                else
                    next_state = A;
            end
            default: next_state = B; // Default to state B
        endcase
    end

    // Output logic
    assign out = (state == B) ? 1 : 0;

endmodule

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

    // State encoding
    typedef enum logic [1:0] {
        STATE_A = 2'b00,
        STATE_B = 2'b01
    } state_t;

    state_t current_state, next_state;

    // State transition logic
    always_ff @(posedge clk or posedge areset) begin
        if (areset) begin
            current_state <= STATE_B;
        end else begin
            current_state <= next_state;
        end
    end

    // Next state logic
    always_comb begin
        case (current_state)
            STATE_A: begin
                if (in)
                    next_state = STATE_A;
                else
                    next_state = STATE_B;
            end
            STATE_B: begin
                if (in)
                    next_state = STATE_B;
                else
                    next_state = STATE_A;
            end
            default: next_state = STATE_B;
        endcase
    end

    // Output logic
    assign out = (current_state == STATE_B);

endmodule

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

    // State encoding
    parameter A = 1'b0, B = 1'b1;

    // State registers
    reg state, next_state;

    // State transition logic
    always @(*) begin
        case (state)
            B: next_state = (in) ? B : A;
            A: next_state = (in) ? A : B;
            default: next_state = B; // Default state is B for safety
        endcase
    end

    // State flip-flops with asynchronous reset
    always @(posedge clk or posedge areset) begin
        if (areset) begin
            state <= B;
        end else begin
            state <= next_state;
        end
    end

    // Output logic
    always @(*) begin
        case(state)
            B: out = 1'b1;
            A: out = 1'b0;
            default: out = 1'b0; // Default output for safety
        endcase
    end

endmodule

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

    // State encoding
    typedef enum reg [1:0] {A = 2'b00, B = 2'b01} state_t;
    state_t state, next_state;

    // State transition logic
    always @(*) begin
        case (state)
            A: next_state = (in) ? A : B;
            B: next_state = (in) ? B : A;
            default: next_state = B; // Default to state B
        endcase
    end

    // State flip-flops with asynchronous reset
    always @(posedge clk or posedge areset) begin
        if (areset)
            state <= B; // asynchronous reset to state B
        else
            state <= next_state;
    end

    // Output logic
    always @(*) begin
        case (state)
            A: out = 1'b0;
            B: out = 1'b1;
            default: out = 1'b0; // Default to output 0
        endcase
    end

endmodule

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

    // State Encoding
    typedef enum reg [1:0] {
        STATE_A = 2'b00,
        STATE_B = 2'b01
    } state_t;

    state_t state, next_state;

    // State Transition Logic
    always @(*) begin
        case (state)
            STATE_A: begin
                if (in == 1'b0)
                    next_state = STATE_B;
                else
                    next_state = STATE_A;
            end
            STATE_B: begin
                if (in == 1'b0)
                    next_state = STATE_A;
                else
                    next_state = STATE_B;
            end
            default: next_state = STATE_B;  // Default to a known state
        endcase
    end

    // State Flip-Flops (Sequential Logic)
    always @(posedge clk or posedge areset) begin
        if (areset == 1'b1)
            state <= STATE_B;  // Asynchronously reset to state B
        else
            state <= next_state;
    end

    // Output Logic
    always @(*) begin
        case (state)
            STATE_A: out = 1'b0;
            STATE_B: out = 1'b1;
            default: out = 1'b1;
        endcase
    end

endmodule