code
stringlengths
35
6.69k
score
float64
6.5
11.5
module tb_delays; reg clk; reg rst; reg d; initial begin // <- Initial construct are evaluated at t = 0. // Here, t = 0. clk = 1'b0; rst = 1'b1; d = 1'b0; #3; // Here, t = 3; rst = 1'b0; #2; // Here, t = 5. d = 1'b1; #2; // Here, t = 7. d = 1'b0; ...
6.522164
module top_module ( input clk, input [7:0] in, input reset, // Synchronous reset output done ); // parameter BYTE1 = 0, BYTE2 = 1, BYTE3 = 2, DONE = 3; reg [1:0] cstate, nstate; always @(posedge clk) begin if (reset) begin cstate <= BYTE1; end else begin cstate <= nstate; ...
7.203305
module top_module ( input clk, input [7:0] in, output [7:0] anyedge ); reg [7:0] intermediate; always @(posedge clk) begin intermediate <= in; anyedge <= intermediate ^ in; end endmodule
7.203305
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[2:0] & in[3:1]; //here bits of input vector is shifted right //and bitwise and is performed to obtain the required output assign out_any = in[3:1] | in...
7.203305
module approx_fa ( output sum, cout, input x, y, cin ); wire s1, c1, c2; or o1 (s1, x, y); xor x1 (sum, s1, cin); and a1 (cout, s1, cin); endmodule
7.10387
module XOR4 ( output f, input a, input b, input c, input d, input e ); assign f = a ^ b ^ c ^ d ^ e; // ^ is the XOR operator endmodule
7.338253
module ksa4 ( input [2:0] a, input [2:0] s, input cin, output [3:0] B, output carryout ); wire [3:0] p, g, cp, cg, ccg, ccp, c; //initial processing assign p = a ^ s; assign g = a & s; //production of carry assign cg[0] = (g[0]); assign cp[0] = (p[0]); assign cg[1] = (p[1] & g[0]) ...
7.621387
module top_module ( input clk, input [7:0] in, output [7:0] anyedge ); reg [7:0] q; always @(posedge clk) begin q <= in; anyedge <= q ^ in; end endmodule
7.203305
module top_module ( input clk, input [7:0] in, input reset, // Synchronous reset output [23:0] out_bytes, output done ); // // FSM from fsm_ps2 parameter A = 0, B = 1, C = 2, D = 3; reg [1:0] state, nextstate; reg [23:0] data; // State transition logic (combinational) always @(*) begi...
7.203305
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[2] & in[3], in[1] & in[2], in[0] & in[1]}; 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...
7.203305
module top_module ( input [4:0] a, b, c, d, e, f, output [7:0] w, x, y, z ); // // assign { ... } = { ... }; assign {w, x, y, z} = {a, b, c, d, e, f, 2'b11}; endmodule
7.203305
module top_module ( input a, input b, input c, output out ); // wire out_tmp; assign out = ~out_tmp; andgate inst1 ( out_tmp, a, b, c, 1, 1 ); endmodule
7.203305
module top_module ( input a, input b, input c, output out ); // // andgate inst1 ( a, b, c, out ); wire and_out; andgate inst1 ( .out(and_out), .a (a), .b (b), .c (c), .d (1'b1), .e (1'b1) ); assign out = ~and_out; endmodule
7.203305
module top_module ( input [1:0] sel, input [7:0] a, input [7:0] b, input [7:0] c, input [7:0] d, output [7:0] out ); // wire [7:0] mux0; wire [7:0] mux1; mux2 u_mux2_1 ( sel[0], a, b, mux0 ); mux2 u_mux2_2 ( sel[0], c, d, mux1 )...
7.203305
module top_module ( input sel, input [7:0] a, input [7:0] b, output [7:0] out ); assign out = sel ? a : b; endmodule
7.203305
module top_module ( input [1:0] sel, input [7:0] a, input [7:0] b, input [7:0] c, input [7:0] d, output [7:0] out ); // // wire mux0, mux1; // mux2 mux0 ( sel[0], a, b, mux0 ); // mux2 mux1 ( sel[1], c, d, mux1 ); // mux2 mux2 ( sel[1], mux0, mux1, out ); wire [7:0...
7.203305
module top_module ( input do_sub, input [7:0] a, input [7:0] b, output reg [7:0] out, output reg result_is_zero ); // always @(*) begin case (do_sub) 0: out = a + b; 1: out = a - b; endcase if (out == 0) result_is_zero = 1; else result_is_zero = 0; end endmodule
7.203305
module top_module ( input do_sub, input [7:0] a, input [7:0] b, output reg [7:0] out, output reg result_is_zero ); // always @(*) begin case (do_sub) 0: out = a + b; 1: out = a - b; endcase result_is_zero = ~(|out); end endmodule
7.203305
module top_module ( input a, input b, input c, output out ); // wire out_temp; andgate inst1 ( .out(out_temp), .a (a), .b (b), .c (c), .d (1'b1), .e (1'b1) ); assign out = ~out_temp; endmodule
7.203305
module top_module ( input [7:0] code, output reg [3:0] out, output reg valid ); // always @(*) begin out = 0; valid = 1; case (code) 8'h45: out = 0; 8'h16: out = 1; 8'h1e: out = 2; 8'h26: out = 3; 8'h25: out = 4; 8'h2e: out = 5; 8'h36: ...
7.203305
module top_module ( input [7:0] code, output reg [3:0] out, output reg valid ); // always @(*) case (code) 8'h45: begin out = 0; valid = 1; end 8'h16: begin out = 1; valid = 1; end 8'h1e: begin out = 2; valid = 1; ...
7.203305
module top_module ( input [1:0] sel, input [7:0] a, input [7:0] b, input [7:0] c, input [7:0] d, output [7:0] out ); // wire [7:0] mux_out_0; wire [7:0] mux_out_1; mux2 mux0 ( sel[1], a, c, mux_out_0 ); mux2 mux1 ( sel[1], b, d, mu...
7.203305
module top_module ( input a, input b, output q ); // assign q = a & b; endmodule
7.203305
module top_module ( input do_sub, input [7:0] a, input [7:0] b, output reg [7:0] out, output reg result_is_zero ); // always @(*) begin case (do_sub) 1'b0: out = a + b; 1'b1: out = a - b; endcase if (out == 8'b0000_0000) result_is_zero = 1'b1; else result_is_zero = 1...
7.203305
module top_module ( input a, input b, output q ); // assign q = a & b; endmodule
7.203305
module razhas_top_level ( input [7:0] io_in, output [7:0] io_out ); wire w_clk = io_in[0]; wire w_rst = io_in[1]; wire [3:0] w_duty = io_in[5:2]; // selects pwm signal duty cycle: 0% to 100% in increments of 10%. Values of 11-15 treated as 100%. wire [1:0] w_freq = io_in[7:6]; // selects pwm signal ...
7.293351
module top_module ( input a, input b, input c, input d, output q ); // assign q = (a + b + c + d == 0 | a + b + c + d == 2 | a + b + c + d == 4); //you can also try to use Karnaugh map to find the logic. endmodule
7.203305
module top_module ( input [7:0] code, output reg [3:0] out, output reg valid ); // always @(*) case (code) 8'h45: begin out = 4'b0000; valid = 1'b1; end 8'h16: begin out = 4'b0001; valid = 1'b1; end 8'h1e: begin out = 4'b001...
7.203305
module top_module ( input a, input b, input c, input d, output q ); // always @(*) begin case ({ a, b, c, d }) 4'd0: q = 1; 4'd1: q = 0; 4'd2: q = 0; 4'd3: q = 1; 4'd4: q = 0; 4'd5: q = 1; 4'd6: q = 1; 4'd7: q = 0; 4...
7.203305
module c_BIN_EDGE_DETECTOR ( input [0:0] in_0, output [0:0] out_0 ); wire net_0 = in_0; wire net_1 = net_0; wire net_2; wire net_3; wire net_4; wire net_5; assign out_0 = net_5; f_K00 LogicGate_0 ( .in_1 (net_0), .in_0 (net_4), .out_0(net_5) ); f_2 LogicGate_1 ( ...
6.553472
module c_BIN_NAND_DLATCH ( input [0:0] in_0, input [0:0] in_1, output [0:0] out_0, output [0:0] out_1 ); wire net_0 = in_0; wire net_1 = net_0; wire net_2 = in_1; wire net_3 = net_2; wire net_4; wire net_5; wire net_6; wire net_7; wire net_8; assign out_0 = net_7; assign out_1...
6.60502
module c_BIN_NAND_SR_LATCH ( input [0:0] in_0, input [0:0] in_1, output [0:0] out_0, output [0:0] out_1 ); wire net_0 = in_0; wire net_1 = in_1; wire net_2; wire net_3; wire net_4 = net_2; wire net_5 = net_3; assign out_0 = net_4; assign out_1 = net_5; f_22Z LogicGate_0 ( ....
6.860786
module c_BIN_ZOOK_DLATCH ( input [0:0] in_0, input [0:0] in_1, output [0:0] out_0 ); wire net_0 = in_0; wire net_1 = in_1; wire net_2; wire net_3 = net_2; assign out_0 = net_3; f_Z00K00KKK LogicGate_0 ( .in_2 (net_0), .in_0 (net_2), .in_1 (net_1), .out_0(net_2) );...
6.781969
module f_2 ( input wire in_0, output wire out_0 ); assign out_0 = (in_0 == 0); endmodule
7.388176
module f_K00 ( input wire in_0, input wire in_1, output wire out_0 ); assign out_0 = (in_0 == 1 & in_1 == 1); endmodule
6.889262
module f_Z00K00KKK ( input wire in_0, input wire in_1, input wire in_2, output wire out_0 ); assign out_0 = (in_0 == 0 & in_1 == 1 & in_2 == 0) | (in_0 == 1 & in_1 == 1 & in_2 == 0) | (in_0 == 1 & in_1 == 0 & in_2 == 1) | (in_0 == 1 & in_1 == 1 & in_2 == 1); endmodule
6.599243
module top_module ( input a, input b, input c, input d, output q ); // assign q = (b & d) | (b & c) | (a & d) | (a & c); endmodule
7.203305
module top_module ( input a, input b, input c, input d, output q ); // always @(*) begin case ({ a, b, c, d }) 4'd0: q = 0; 4'd1: q = 0; 4'd2: q = 0; 4'd3: q = 0; 4'd4: q = 0; 4'd5: q = 1; 4'd6: q = 1; 4'd7: q = 1; 4...
7.203305
module top_module ( input a, input b, output q ); // assign q = a & b; // Fix me endmodule
7.203305
module top_module ( input a, input b, input c, input d, output q ); // assign q = b | c; endmodule
7.203305
module top_module ( input a, input b, input c, input d, output q ); // always @(*) begin case ({ a, b, c, d }) 4'd0: q = 0; 4'd1: q = 0; 4'd2: q = 1; 4'd3: q = 1; 4'd4: q = 1; 4'd5: q = 1; 4'd6: q = 1; 4'd7: q = 1; 4...
7.203305
module top_module ( input a, input b, input c, input d, output q ); // assign q = (~a)&(~b)&(~c)&(~d) | (~a)&(~b)&(c)&(d) | (~a)&(b)&(~c)&(d) | (~a)&(b)&(c)&(~d) | (a)&(b)&(~c)&(~d) |(a)&(b)&(c)&(d) | (a)&(~b)&(~c)&(d) | (a)&(~b)&(c)&(~d); // Fix me endmodule
7.203305
module top_module ( input [3:0] a, input [3:0] b, input [3:0] c, input [3:0] d, input [3:0] e, output [3:0] q ); always @(*) begin case (c) 0: q = b; 1: q = e; 2: q = a; 3: q = d; default: q = 4'hf; endcase end endmodule
7.203305
module top_module ( input [3:0] a, input [3:0] b, input [3:0] c, input [3:0] d, input [3:0] e, output [3:0] q ); always @(*) begin case (c) 4'h0: q = b; 4'h1: q = e; 4'h2: q = a; 4'h3: q = d; default: q = 4'hf; endcase end endmodule
7.203305
module top_module ( input a, input b, input c, input d, output q ); // assign q = (a | b) & (c | d); // Fix me endmodule
7.203305
module top_module ( input [2:0] a, output reg [15:0] q ); always @(*) begin case (a) 0: q = 16'h1232; 1: q = 16'haee0; 2: q = 16'h27d4; 3: q = 16'h5a0e; 4: q = 16'h2066; 5: q = 16'h64ce; 6: q = 16'hc526; 7: q = 16'h2f19; endcase end endmodule
7.203305
module top_module ( input [ 2:0] a, output [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; endcase ...
7.203305
module top_module ( input a, input b, input c, input d, output q ); // assign q = b | ((~b) & c); // Fix me endmodule
7.203305
module shift_ff ( input wire clk, reset, shift, prev_dff, d_in, output wire q ); mux2 m ( d_in, prev_dff, shift, in ); // To select between shift and load operations dfrl ff ( clk, reset, 1'b1, in, q ); endmodule
6.666654
module shift_register ( input wire clk, reset, load, input wire [15:0] in, output wire out_bit, output wire [15:0] contents ); // This is a module for one shift register, i.e a collection of 16 D-Flip Flops // Loads data parallely and on each clock cycle shifts the data by one bit // load ...
6.854847
module shift_resgister_out ( input wire clk, reset, in1, output wire [15:0] sum ); // This register is used to store the sum output // in1 is the input bit received from the sum output of the fulladder wire intermediate[14:0]; dfrl d1 ( clk, reset, 1'b1, in1, interm...
6.776277
module shift_adder ( input wire clk, reset, load, input wire [15:0] a, b, output wire [15:0] contents_a, contents_b, op, output wire carry ); // This is the serial shift adder module // It takes two 16 bit numbers a and b as input and loads them to the shift registers a and b ...
7.572689
module Bit16Adder ( a, b, cin, sum, cout ); input [16:1] a, b; input cin; output [16:1] sum; output cout; wire w1, w2, w3; Bit4Adder B4A_0 ( a[4:1], b[4:1], cin, sum[4:1], w1 ); Bit4Adder B4A_1 ( a[8:5], b[8:5], w1, sum[8:5], ...
6.99225
module invert ( output ib, input b ); assign ib = ~b; endmodule
7.953624
module and2 ( input wire i0, i1, output wire o ); assign o = i0 & i1; endmodule
8.35921
module or2 ( input wire i0, i1, output wire o ); assign o = i0 | i1; endmodule
8.541431
module xor2 ( input wire i0, i1, output wire o ); assign o = i0 ^ i1; endmodule
8.782532
module nand2 ( input wire i0, i1, output wire o ); wire t; and2 and2_0 ( i0, i1, t ); invert invert_0 ( t, o ); endmodule
7.360689
module nor2 ( input wire i0, i1, output wire o ); wire t; or2 or2_0 ( i0, i1, t ); invert invert_0 ( t, o ); endmodule
7.781479
module xnor2 ( input wire i0, i1, output wire o ); wire t; xor2 xor2_0 ( i0, i1, t ); invert invert_0 ( t, o ); endmodule
7.523861
module and3 ( input wire i0, i1, i2, output wire o ); wire t; and2 and2_0 ( i0, i1, t ); and2 and2_1 ( i2, t, o ); endmodule
7.185291
module or3 ( input wire i0, i1, i2, output wire o ); wire t; or2 or2_0 ( i0, i1, t ); or2 or2_1 ( i2, t, o ); endmodule
7.924047
module nor3 ( input wire i0, i1, i2, output wire o ); wire t; or2 or2_0 ( i0, i1, t ); nor2 nor2_0 ( i2, t, o ); endmodule
7.838557
module nand3 ( input wire i0, i1, i2, output wire o ); wire t; and2 and2_0 ( i0, i1, t ); nand2 nand2_1 ( i2, t, o ); endmodule
7.036906
module xor3 ( input wire i0, i1, i2, output wire o ); wire t; xor2 xor2_0 ( i0, i1, t ); xor2 xor2_1 ( i2, t, o ); endmodule
8.362259
module xnor3 ( input wire i0, i1, i2, output wire o ); wire t; xor2 xor2_0 ( i0, i1, t ); xnor2 xnor2_0 ( i2, t, o ); endmodule
7.872322
module fa ( input wire i0, i1, cin, output wire sum, cout ); wire t0, t1, t2; xor3 _i0 ( i0, i1, cin, sum ); and2 _i1 ( i0, i1, t0 ); and2 _i2 ( i1, cin, t1 ); and2 _i3 ( cin, i0, t2 ); or3 _i4 ( ...
7.001699
module Adder ( a, b, sum ); input [15:0] a, b; output [15:0] sum; wire cout; wire [15:0] q; fa fa1 ( a[0], b[0], 1'b0, sum[0], q[0] ); fa fa2 ( a[1], b[1], q[0], sum[1], q[1] ); fa fa3 ( a[2], b[2], q[1], s...
6.808429
module booth_substep ( input wire signed [15:0] a, Q, input wire signed q0, input wire signed [15:0] m, output reg signed [15:0] f8, output reg signed [15:0] l8, output reg cq0 ); wire [15:0] addam, subam; Adder myadd ( a, m, addam ); subtractor mysub ( a, ...
6.761271
module mul16_unsigned ( input signed [15:0] A, B, input clk, output signed [31:0] P ); mul16_signed( A, B, clk, P ); endmodule
6.602435
module dff ( q, d, clk ); input d, clk; output q; reg q; always @(negedge clk) q <= d; endmodule
8.035763
module shiftreg_tb; reg [15:0] din; reg sin, ld, mode, clk; wire [15:0] dout; shiftreg SR1 ( sin, din, dout, ld, mode, clk ); parameter STDIN = 32'h8000_0000; integer testid; integer ret; initial begin clk = 1'b1; forever #50 clk = ~clk; end initial...
6.713753
module bit16_4way_mux ( out, i0, i1, i2, i3, s0, s1 ); input [15:0] i0, i1, i2, i3; input s0, s1; output [15:0] out; wire [15:0] x, y; wire inv; not_gate not_1 ( inv, s0, s0 ); //complement of s0 //not_gate not_2(inv1,s1,s1); //complement of s1 mu...
7.474265
module mux_8way ( out, in0, in1, in2, in3, in4, in5, in6, in7, s0, s1, s2 ); output [15:0] out; input [15:0] in0, in1, in2, in3, in4, in5, in6, in7; input s0, s1, s2; wire [15:0] x, y; bit16_4way_mux mux_8way_1 ( x, in0, in1, in2, ...
6.70825
module adder_4bit ( a, b, cin, sum, carry ); output [3:0] sum; output carry; input [3:0] a; input [3:0] b; input cin; wire [2:0] s; Full_Adder u0 ( a[0], b[0], 1'b0, sum[0], s[0] ); Full_Adder u1 ( a[1], b[1], s[0], sum[1], ...
9.041993
module adder_16bit ( a, b, sum, carry ); input [15:0] a; input [15:0] b; output [15:0] sum; output carry; wire [2:0] s; adder_4bit u0 ( a[3:0], b[3:0], 1'b0, sum[3:0], s[0] ); adder_4bit u1 ( a[7:4], b[7:4], s[0], sum[7:4], s...
7.133988
module mux4x1 ( in, sel, out ); input [3:0] in; input [1:0] sel; output out; wire [1:0] sel_bar; wire in0s0, in1s1, in2s2, in3s3; not n1 (sel_bar[0], sel[0]); not n1 (sel_bar[1], sel[1]); and a1 (in0s0, in[0], sel_bar[1], sel_bar[0]); and a2 (in1s1, in[1], sel_bar[1], sel[0]); and a3 ...
6.791623
module gf2m #( parameter DIGITAL = 16, parameter DATA_WIDTH = 163 ) ( input wire rst, input wire clk, input wire start, input wire [DATA_WIDTH - 1 : 0] a, input wire [DATA_WIDTH - 1 : 0] g, input wire [DIGITAL - 1:0] b, output reg [DATA_WIDTH - 1 : 0] t_i_j, output reg done ); ...
7.196913
module flop_16bit ( rst_n, x, y, clk, stall ); input rst_n, clk, stall; input [15:0] x; output reg [15:0] y; always @(posedge clk, negedge rst_n) begin if (!rst_n) y <= 0; else if (stall) y <= y; else y <= x; end endmodule
8.140276
module PGU ( a, b, p, g ); input [15:0] a, b; output [15:0] p, g; assign p = a ^ b; assign g = a & b; endmodule
7.368717
module BCLU ( p, g, cin, ps, gs, c ); input [3:0] p, g; input cin; output ps, gs; output [2:0] c; assign ps = p[3] & p[2] & p[1] & p[0]; assign gs = g[3] | p[3] & g[2] | p[3] & p[2] & g[1] | p[3] & p[2] & p[1] & g[0]; assign c[0] = g[0] | p[0] & cin; assign c[1] = g[1] | p[...
7.053402
module CLU ( ps, gs, cin, c ); input ps, gs, cin; output c; assign c = gs | ps & cin; endmodule
7.105785
module SU ( p, cin, c, s ); input [15:0] p; input cin; input [14:0] c; output [15:0] s; assign s = p ^ {c, cin}; endmodule
7.057463
module D1_3bit ( in, clk, out ); input [2:0] in; input clk; output reg [2:0] out; always @(posedge clk) begin out <= in; end endmodule
6.884111
module D1_4bit ( in, clk, out ); input [3:0] in; input clk; output reg [3:0] out; always @(posedge clk) begin out <= in; end endmodule
7.122843
module D1_16bit ( in, clk, out ); input [15:0] in; input clk; output reg [15:0] out; always @(posedge clk) begin out <= in; end endmodule
6.605137
module DD2 ( in, clk, out ); input in, clk; output reg out; reg r_data; always @(posedge clk) begin r_data <= in; out <= r_data; end endmodule
6.600992
module DD4 ( in, clk, out ); input in, clk; output reg out; reg [2:0] r_data; always @(posedge clk) begin r_data[0] <= in; r_data[1] <= r_data[0]; r_data[2] <= r_data[1]; out <= r_data[2]; end endmodule
6.511385
module DD2_4bit ( in, clk, out ); input [3:0] in; input clk; output reg [3:0] out; reg [3:0] r_data; always @(posedge clk) begin r_data <= in; out <= r_data; end endmodule
7.031347
module DD3_4bit ( in, clk, out ); input [3:0] in; input clk; output reg [3:0] out; reg [3:0] r_data[0:1]; always @(posedge clk) begin r_data[0] <= in; r_data[1] <= r_data[0]; out <= r_data[1]; end endmodule
6.638852
module DD2_3bit ( in, clk, out ); input [2:0] in; input clk; output reg [2:0] out; reg [2:0] r_data; always @(posedge clk) begin r_data <= in; out <= r_data; end endmodule
6.963781
module DD3_3bit ( in, clk, out ); input [2:0] in; input clk; output reg [2:0] out; reg [2:0] r_data[0:1]; always @(posedge clk) begin r_data[0] <= in; r_data[1] <= r_data[0]; out <= r_data[1]; end endmodule
6.61913
module DD4_3bit ( in, clk, out ); input [2:0] in; input clk; output reg [2:0] out; reg [2:0] r_data[0:2]; always @(posedge clk) begin r_data[0] <= in; r_data[1] <= r_data[0]; r_data[2] <= r_data[1]; out <= r_data[2]; end endmodule
6.941144
module DD4_16bit ( in, clk, out ); input [15:0] in; input clk; output reg [15:0] out; reg [15:0] r_data[0:2]; always @(posedge clk) begin r_data[0] <= in; r_data[1] <= r_data[0]; r_data[2] <= r_data[1]; out <= r_data[2]; end endmodule
7.075333
module Pip16CLA ( a, b, cin, clk, s, cout ); input [15:0] a, b; input cin; input clk; output [15:0] s; output cout; wire cin2; wire cin22; wire [15:0] a2, b2, p, g, p2, g2, p22; //pccc wire [11:0] p222, g222; //pcc, gcc wire [14:0] c; wire [ 2:0] c2; wire [15:0] c22; ...
6.942108
module fulladder ( a, b, cin, s, cout ); input a, b, cin; output s, cout; assign s = (a ^ b) ^ cin; assign cout = ((a & b) | ((a ^ b) & cin)); endmodule
7.454465
module DD2 ( in, clk, out ); input in, clk; output reg out; reg r_data; always @(posedge clk) begin r_data <= in; out <= r_data; end endmodule
6.600992
module DD4 ( in, clk, out ); input in, clk; output reg out; reg [2:0] r_data; always @(posedge clk) begin r_data[0] <= in; r_data[1] <= r_data[0]; r_data[2] <= r_data[1]; out <= r_data[2]; end endmodule
6.511385
module Pip4RCA ( a, b, cin, clk, s, cout ); input [3:0] a, b; input cin; input clk; output [3:0] s; output cout; wire [2:0] c; wire [2:0] c2; wire [3:0] b2; wire [3:0] a2; wire [3:0] out; wire cin2; //FA0? ??? ? ?? s0, c0 DD1 D1 ( a[0], clk, a2[0] ...
6.853022
module DD1_16 ( in, clk, out ); input [15:0] in; input clk; output reg [15:0] out; always @(posedge clk) begin out <= in; end endmodule
6.966147