Verilog repeat bit n times. You already know this if you know verilog/C.

Verilog repeat bit n times Posted by for loop (5) forever loop (1) Nov 16, 2020 · In contrast, when we use the normal for loop we are telling the verilog complier to create a single instance of the code block but execute it multiple times. for: Similar to the while loop but more compact and widely used. For example repeat(8) For example, you can concatenate 2 signals that are 4 bits wide into a signal that is 16 bits wide. VHDL does not allow this, the input width must exactly match the width of the signal you are trying to assign. Repeat loops just blindly run the code as many times as you specify. Jun 19, 2020 · You run intto the same problem of not counting the number of times the expression is true. Oct 16, 2013 · You are using the loop to increment secondDigit while the condition is based on aux. 4 deepin15. 4 goto repetition, Boolean ([->n], [|->n:m]) 第9章 verilog中的一些语法使用; 9. This circuit works on unsigned operands; for signed operands one can remember the signs, make repeat will execute the statements within the loop for a loop variable number of times. The repeat loop is used to repeat a block of code for a specified number of iterations. They are not a substitute for clocked logic -- if you need to perform multiple actions, you will probably need to make them happen on separate clocks, and implement them in a state machine. For this example, we will write a simple four bit serial shift register using the verilog for loop. The repeat loop executes a block of code a fixed number of times. genvar i; generate for (i=1; i<=10; i=i+1) begin status whatever_status ( . Like all other procedural blocks, the for loop requires multiple statements within it to be enclosed by begin and end keywords. the idea is to do multiplication through repeated addition every time the M bit is set to 1/true. Either N is undefined or the compiler don't like a 3 bit variable in this place. if the loop variable is N, then the statements within the repeat block will be executed N number of times. May 27, 2023 · （26）Verilog HDL循环语句：repeat 1. The [+] is an abbreviation for [*1:$]. A begin and end keywords are optional if the loop encloses a single statement. So in verilog you really are using the for loop only to generate syntax, if that makes sense. Say you have A repeat loop is used to execute statements a given number of times. With a well defined N, a for loop should work without any problems. How to write verilog testbench to loop through a n bit input n times. This page contains Verilog tutorial, Verilog Syntax, Verilog Quick Reference, PLI, Replication operator is used to replicate a group of bits n times. Syntax repeat (n) begin // Code to be executed n times end. This circuit works on unsigned operands; for signed operands one can remember the signs, make operands positive, then May 10, 2024 · repeat関数を利用することで、多次元配列の要素を簡単に操作することができるので、このような場面での利用が推奨されます。 ループのネスト サンプルコード6ループのネスト. Thus, a range of s1 given as s1 [*2:3] is equivalent to s1 ##1 s1 // two times of s1 or s1 ##1 s1 ##1 s1 // or three times of s1 A generate block allows to multiply module instances or perform conditional instantiation of any module. 1 目录 1）目录 2）FPGA简介 3）Verilog HDL简介 4）Verilog HDL循环语句：repeat 5）结语 1. For loop; While loop; Forever loop; Repeat loop; In all supported loops, begin and end keywords are used to enclose multiple statements as a single block. while. Using For Loop with Functions. In this example, the loop runs 10 times, printing the current iteration number each time. So, the condition of for loop for which n<100 is always satisfied. It takes the format {n{m}}, where n indicates replication multiplier i. module adder # ( parameter N = 4 ) ( input [ N -1 : 0 ] a , input [ N -1 : 0 ] b , input c_in , output [ N -1 : 0 ] s , output c_out ); // Create a vector for the carry signals: wire [ N : 0 ] c ; assign c [ 0 ] = c_in ; assign c_out = c [ N ]; genvar i ; generate for We would like to show you a description here but the site won’t allow us. Nov 10, 2015 · //replicate "110" eight times and take the least significant 8 bits. 21 实际上，我正在进行64位掩码到512位掩码的转换，但它与{8{something}}不同。我当 repeat (loop_times) begin … end. It is very similar to a for loop, except that a repeat loop’s index can never be used inside the loop. 5 days ago · Thus, ‘i = 0’ is acting as the initializer, ‘i < 64’ the conditional that indicates the loop should continue, and ‘i = i + 1’ the incrementer. repeat: Repeats the code a specific number of times. The string “Repeat it” is printed three times. Thank you for your tutorial. Behavioral Modeling Verilog Block Statements Verilog Assignment Types Verilog Blocking/Non-blocking Verilog Control Flow Verilog for Loop Verilog May 29, 2021 · As a result of this, the repeat loop will run a total of six times before terminating. For that, you need atleast 8 bit counter variable. But here, n is declared as reg n, a single bit counter variable. Asking for help, clarification, or responding to other answers. I want to design a variable shift register to shift to the right as follows: One advantage of coding it using a loop is it is less prone to Sep 14, 2024 · reg [3:0] a; reg [15:0] result; result = {4{a}}; // Repeats 'a' 4 times to form a 16-bit result. If we only want to invest in a single N-bit adder, we can build a sequential circuit that processes a single subtraction at a time and then cycle the circuit N times. 2 Sep 22, 2022 · I checked a few tests in a couple different verilog simulators. Applications of Concatenation 1. 5 linux上使用vcs写的脚本仿真管理; 10. a(a[i]), . Understanding Verilog For Loop Loop Syntax. Verilog For Loop Example: Implementing a Shift Register. The initialization part initializes a variable to a certain value. 1 Replication operator: A replication operator (also called a multiple concatenation) is expressed by a concatenation preceded by a non-negative, non-x, and non-z constant expression, called a replication constant Feb 28, 2016 · I need help with a Verilog design I'm doing. Say you have a 4 bit variable and you want to replicate it 4 times to get a 16 bit variable: then we can use the replication operator. Example: A 4-bit signed number 1101 represents -3. When adding it to an 8-bit number, you need to sign-extend it to make it A for loop is the most widely used loop in software, but it is primarily used to replicate hardware logic in Verilog. Most likely a function will do. do while: Executes the code once before checking the Verilog n-bit Bidirectional Shift Register In digital electronics, a shift register is a cascade of flip-flops where the output pin q of one flop is connected to the data input pin (d) of the next. Data Aggregation. repeat 的功能是执行固定次数的循环，它不能像 while 循环那样用一个逻辑表达式来确定循环是否继续执行。repeat 循环的次数必须是一个常量、变量或信号。如果循环次数是变量信号，则循环次数是开始执行 repeat 循环时变量信号的值。 Bit-vector is the only data type in Verilog Z High impedance, floating X Unknown logic value 1 Logic one 0 Logic zero Value Meaning An X bit might be a 0, 1, Z, or in transition. The repeat loop is very similar to the for loop in SystemVerilog as they both execute code a fixed number of times. We use the <number> field to determine how many times the repeat loop is executed. In general, statements are executed in the following order: the first statement in a function is executed first, then the second, and so on. Sep 24, 2014 · I am trying to do the following : concat = {concat[7:0],clk} inside a forever loop as below : bit [7:0] concat; concat = 0; forever begin @(posedge clk); concat = {concat[7:0],clk}; end I wanted to know what value will it contain after 8 clock iterations at any point of time, if the initial value of concat = 0. You need the loop to iterate 100 times. The number in front of the brackets is known as the repetition multiplier. A range specified for a repetition simply menas that the match may be for any of the combinations of the repetition. You already know this if you know verilog/C. So I wanted to ask, if I have the following snippets of code: I'm writing some sort of pseudocode in verilog, and this is an unfinished code. Then you can use {8{your_bit}} The replication operator is used to replicate a group of bits n times. The for loop has three parts: initialization, condition, and increment/decrement. a. The most commonly used loop in Verilog is the for loop. It is particularly useful when the number of iterations is predetermined. Based on the simulation, we find the top @(pose clk or negedge) would not be executed until its sub loop repeat(8) has finished. So, n+1 gives 1 and doing n+1 again gives 0. Provide details and share your research! But avoid …. Feb 20, 2019 · 我想把每个比特扩展n倍。例如, // n = 25'b10101 -> 10'b1100110011// n = 35'b10101 -> 15'b111000111000111 在Verilog或SystemVerilog中有没有什么简单的方法(比如不使用generate块)？ 编辑19. Feb 20, 2019 · Currently, I'm using generate block to iterate on each bit. This is very similar to the while loop, but is used more in a context where an Assume the Dividend (A) and the divisor (B) have N bits. Counter is initially zero and increments until it reaches 10. Dec 28, 2014 · @kt Typically for people new to Verilog, using for-loop inside structural code (ie, code describing the hardware to be synthesized; not the verification of testbench code) is very discouraged because people have a tenancy to use for-loops as a programming construct, when they should really be describing (and really want the hardware to behave like) an FSM. It may come into circumstances where a piece of code has to be performed several times. Unlike the for loop, the repeat loop does not have an iteration variable. So for example, in {3{2’b01}} 3 is the repetition multiplier and 2’b01 is what will be replicated 3 times. Control Flow Loops while/do-while loop foreach loop for loop forever loop repeat loop break, continue if-else-if case Blocking & Non-blocking Statements Functions Tasks . 10. The block is sensitive to changes in 'counter' so even assuming that 'counter' was initialized to 0 the simulator would loop forever updating 'counter' and simulation time will never advance. It might be a solution specific to your code. Verilog expand each bit n times. The line aux = aux - 5'b01010; will be executed n times implying variable number of subtractors in parallel. Because all flops work on the same clock, the bit array stored in the shift register will shift by one position. It contains constant, variable or signal . These statements are particularly convenient when the same operation or module instance needs to be repeated multiple times or if certa Aug 13, 2012 · Viewed 23k times 1 . Example 1: Basic Usage of repeat Assume the Dividend (A) and the divisor (B) have N bits. repeat loop syntax repeat(<variable>) begin //statement - 1 //statement - n end. Apr 24, 2024 · 本论文综合探讨了名义力计算的理论基础和Verilog语言在名义力计算中的应用实践。通过阐述Verilog语言的基础知识和行为级、结构级建模方法，论文进一步介绍了名义力计算的模型设计、Verilog编码实践以及仿真测试。 Jun 20, 2021 · repeat (<number>) begin // Code to be executed in the loop end. bit, byte, int Strings Enumeration Arrays Packed Arrays Unpacked Arrays Dynamic Arrays Associative Arrays Array Manipulation Methods Queues Structures User-defined Data Types 3. Very helpful for those just taking first steps in VHDL and Verilog. This circuit works on unsigned operands; for signed operands one can remember the signs, make As a continuation to my previous question, is there a way, in Verilog, to instantiate n times a given module, without having to use n different lines: myModule instance1(); myModule instance2(); One simulator tool I use generates compiler errors. 11(linux)下搭建system verilog的vcs仿真环境; 10. We’ll implement an 8-bit left shift register. For example: (s ##n e) is equivalent to (s ##(n-1) `true), if n > 0 Repetition with a Range. CRC Solution CRC16: x16+x15+x2+1 Sequential Divider Lecture 9 4 Assume the Dividend (A) and the divisor (B) have N bits. The condition part checks if the variable satisfies a certain condition. 3. Zeroes will be shifted in, or shifted bits truncated as necessary. 12. Another advanced technique is to use a for loop with a function. May 6, 2013 · Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have May 16, 2017 · What if I have a loop, lets say something like this: You can't do that in a loop. If we only want to invest in a single N-bit adder, we can build a sequential circuit that processes a single partial product at a time and then cycle the circuit M times: P B A + S N NC N xN N N+1 S N-1…S 0 Init: P←0, load A and B Repeat M times { P ← P + (B LSB ==1 Apr 7, 2024 · In this example, with rstn set, buffer[j] <= counter3 is executed 8 times in 9 consecutive clk pos edges, and j loops from 0 to 8. For example: Think of it as instead or repeating a set of (parameterised) instructions n times (like in c), you repeat the logic/hardware (as in real flip flops) n times. I want to replace “CFG2_s ##0 CFG3_s ##0 CFG2_s ##0 CFG3_s” in property with something like, “(CFG2_s ##0 CFG3_s)[*CFG4]”. This blog will go over the system Verilog loop statement. Apr 13, 2022 · Another example we have a 4 bit variable which consists of four consecutive one bit (1111) logic [3 : 0 ] data = 4'b1111; If we want to concatenate for four times. As an example, let’s look a very simple use case where we want to assign data to a 2 bit vector. In your synthesizable For-Loop VHDL example, will the synthesizing process result in the same amount of hardware resources to implement r_Shift_With_For and r_Shift_Regular approach? In Verilog, we will discuss the following loop blocks. The verilog code below shows how we would do We came across something concerning this system in Verilog. Whatever the bit width is inside the { } will be the result width, zero extended left/right as necessary. Verification Academy System verilog assertion question Jan 13, 2024 · repeat 循环语句执行指定循环数，如果循环计数表达式的值不确定，即为 x 或z 时，那 么循环次数按 0 处理。repeat 循环语句的语法为 repeat(循环次数表达式) begin 语句块; end 其中， “循环次数表达式”用于指定循环次数，可以是一个整数、变量或者数值表达式。 Sep 11, 2023 · repeat(n)@(posedge clk)是一种使用重复循环控制时钟上沿触发的方式来控制仿真信号延时的方法，其中n表示重复的次数。这种方法在仿真时，会在时钟上沿触发后，重复执行n次，直到达到指定的次数，才会继续执行下一条语句。 Verilog HDL Loop Statement error: loop with non-constant loop condition must terminate. A repeat loop in Verilog will repeat a block of code some defined number of times. This is what I did to repeat and concatenate n times: {n{VARIABLE}} Example: module concat_n(dummy,super_dummy,clk); input [7:0] dummy; input clk; output [23:0] super_dummy; wire [7:0] dummy; reg [23:0] super_dummy; always @(posedge clk) super_dummy <= {3{dummy}}; endmodule Simulation: A given set of statements can be executed N number of times with a repeat construct. 3 VCS在linux上环境的搭建; 10. Screenshot I'm trying to instantiate some modules in Verilog using a generate block since I'm going to be instantiating a variable amount of them. then I need to output that value. How to use the Generate For Loop in Verilog. Dec 15, 2023 · To use a for loop in Verilog, you need to specify the initial value of the loop variable, the condition that controls the loop, and the increment or decrement of the loop variable. Concatenation is useful for aggregating data from various sources. The random delays are taken care in the assertion below, but need help to code dynamic repetition. The external shift { }<<N or { }>>N value 'N' will not change the width of the resultant expression. What is repeat loop in Verilog? Repeat loop is used to execute loop fixed number of times. The code below describes an N bit ripple-carry adder with default size N = 4. 6 system verilog基本语法; 10. The for loop iterates till the mentioned Dec 5, 2022 · In any hardware definition language, I know we can't declare a loop to loop over some circuits for some variable n times, instead we need to loop for a fixed value. 4. signal [->n] property p; @(posedge clk) a |-> ##1 b[->3] ##1 c; endproperty a: assert property(p); Click to execute on Aug 6, 2018 · can i use a variable in repeat operator ? Real Chip Design and Verification Using Verilog and VHDL, 2002 isbn 978-1539769712 and I’m pretty sure it won’t Oct 12, 2020 · We use the <increment> field to determine how the loop variable is updated in every iteration of the loop. Rule: The [*n:$] constructs is similar to the [*n:m] construct, except that m is infinite, instead of being bounded by an integer number, and n means that the repetition applies for a minimum of n cycles. Verilog will pad the upper 8 bits with zeros. Verilog for loop example. 2 FPGA简介 FPGA（Field Programmable Gate Array）是在PAL、GAL等可编程器件的基础上进一步发展的产物。 A for loop in SystemVerilog repeats a given set of statements multiple times until the given expression is not satisfied. It is used to execute a block of code a fixed number of times. 111 Fall 2016 Lecture 9 1 Sequential Divider Lecture 9 2 Assume the Dividend (A) and the divisor (B) have N bits. In Verilog, a for loop is used to iterate a set of statements given within the loop as long as the given condition is true. The `timescale compiler directive specifies the time unit and precision for the modules that follow it. Verilog assign examples Verilog Operators Verilog Concatenation Verilog always block Combo Logic with always Sequential Logic with always Verilog initial block Verilog generate Verilog Quick Review 4. 1 数据类型; 10. Repeat Loops can be used synthesizable code, but be Jun 8, 2017 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. For loop. 6. Jun 19, 2019 · We all know that the For-loop and Repeat are synthesizable, they get converted to blocks, for example: for (idx = 0; idx < 4; idx=idx+1) begin a = a + b[idx]; c = c + 2; //You can change more than one variable in a for loop end In that example, the resulting hardware will be a chain of adders, summing the values from four array indices. sum() with (int'(item == 1)) Using the conditional operator achieves the same thing a little bit more cryptically because the bare numeric literals 1 and 0 are implicitly 32-bit signed Apr 1, 2019 · Verilog expand each bit n times. For example, in {3{2’b01}} 3 is the repetition multiplier and 2’b01 is what will be replicated 3 times. e. And the for loop never terminates. The loop terminates automatically after n iterations. Assume the Dividend (A) and the divisor (B) have N bits. To me this suggests a variable number of times around the loop. Syntax repeat // Single Statement repeat begin // Multiple Statements end Example #1 module tb; initial begin repeat (5) begin $display ("Repeat this statement"); See full list on chipverify. Verilog simulation depends on how time is defined because the simulator needs to know what a #1 means in terms of time. Assume the multiplicand (A) has N bits and the multiplier (B) has M bits. 02. It'll repeat the block as long as the condition is true. This circuit works on unsigned operands; for signed operands one can remember the signs, make Verilog repeat Loop. If you go from bit to byte, I would think your 'n' is always 8. Sep 29, 2012 · repeat 循环语句执行指定循环数，如果循环计数表达式的值不确定，即为 x 或z 时，那么循环次数按 0 处理。repeat 循环语句的语法为 repeat(循环次数表达式) begin 语句块; end 其中， “循环次数表达式”用于指定循环次数，可以是一个整数、变量或者数值表达式。 Mar 18, 2020 · The replication operator is used to replicate a group of bits n times. Now, let’s explore how the for loop can be used in a more complex design. reset_n(reset_n), . while: Repeats the code as long as a condition is true. Verilog For loop. Syntax For loop controls execution of its statements using a three N-bit Register with Asynchronous Reset Verilog - 4 l s eta= n x _ ; Verilog FSM - Reduce 1s example repeat (4) begin May 8, 2021 · Verilog中的位拼接运算符{ } 引言：在Verilog中，如何給一個多bit（如123bit）的變量賦值呢？該不至於連續寫123bit的1吧？ 該不至於連續寫123bit的1吧？ 或者換算為16進制數表示？ Jul 13, 2009 · 回路記述やテストベンチでよく用いるものについて，Verilog HDLの文法の要約を示します．簡略化して表現したものもあります．また，省略で Tech Village 電子・組み込み技術の総合サイト Mar 13, 2018 · I am new to Verilog, so I am not sure how to go about doing this. It provides the ability for the design to be built based on Verilog parameters. This means that the statements inside the inner loop will be executed N*M times in total. This circuit works on unsigned Repeat Loop – Verilog Example. module repeat_example; int array[5 The go-to repetition operator is used to specify that a signal will match the number of times specified not necessarily on continuous clock cycles. The [*] is an abbreviation for [*0:$]. It is not used to loop expression like we see in while loop statement. repeat 的功能是执行固定次数的循环，它不能像 while 循环那样用一个逻辑表达式来确定循环是否继续执行。repeat 循环的次数必须是一个常量、变量或信号。如果循环次数是变量信号，则循环次数是开始执行 repeat 循环时变量信号的值。 Nov 24, 2022 · repeat (loop_times) begin … end. 文章浏览阅读3k次，点赞2次，收藏13次。本文详细介绍了Verilog语言中的repeat语句及其使用，对比了阻塞赋值与非阻塞赋值在repeat语句中的差异，通过代码示例展示了它们在时序逻辑中的不同效果，特别是在乘法器实现和memory类型数据赋值中的应用。 Apr 15, 2016 · I searched on SO, and on web, no where found the ans. out(out[i]) ); end endgenerate Dec 15, 2023 · In this example, the outer loop will iterate N times, and for each iteration of the outer loop, the inner loop will iterate M times. The syntax of the repeat loop is as follows: repeat (n) begin // Code to repeat 'n' times end Example: May 9, 2015 · If we have a top module that connect all instances from the codes together , So if we try to repeat (reiterate) the whole code which is the top module many times, How we can do this in synthesis way without using for-loop ?? Example to illustrate that : for(i=0;i<13;i++){ module(1) module(2) module(3) module(4) module(N)} Nov 12, 2022 · //源自 微信公众号 “数字芯片实验室”循环结构forever,repeat,while,for和do-while之间有什么区别？在Verilog-2001中支持forever, repeat, while和for循环语句，do-while结构是在SystemVerilog中引入的。这些语句根本上的不同在于begin-end语句块中执行了多少次循环。 Loop Type Description; forever: Executes the block of code indefinitely until the simulation is manually stopped. 1 简介; 10. Verilog loops are for generating multiple copies of repeated logic. Jul 21, 2007 · Verilog's {N{}} replication operator: function repeat(N: natural; B: std_logic) return std_logic_vector is variable result: std_logic_vector(1 to N); begin for i in 1 to N loop result(i) := B; end loop; return result; end; Now that you have the function, you can do stuff like some_signal <= repeat(12, '1'); which is probably more natural for • Verilog Math Functions 6. Implementing a shift less than 16 bits in length. , how many times m should be repeated. I have a clock, 'samp_clk', that toggles every 10 clock cycles of the system clock, 'clock' (or that's what I tried to do). The assignment Verilog Sign Extension | Verilog Concatenation What is Sign Extension? Sign extension is used to expand a signed number from a smaller bit width to a larger bit width, by replicating the sign bit (most significant bit). The repeat Loop. To better demonstrate how we use the for loop in verilog, let’s consider a basic example. Replication operator is used to replicate a group of bits n times. b(b[i]), . 1 可综合的repeat; 第10章 system verilog; 10. I have following code, where It success fully parsed `define and generate expected results, but if number of times calling of macro is large th 2) This is what is considered a combinational loop. This circuit works on unsigned This page contains Verilog tutorial, Verilog Replication operator is used to replicate a group of bits n times. I don't know, why the compilers iteration limit of 4000 is reached in this case. i. 0. Hot Network Questions Hyperref with chapter 1b, 1c in amsbook Implicit declaration of standard function in C Why does LTSpice ADA4177 Aug 10, 2022 · How to write verilog testbench to loop through a n bit input n times. Oct 26, 2015 · Verilog code for BCD to 7-segment display converter; Loop statements in Verilog - forever,repeat,for an Verilog code for 8 bit Binary to BCD using Double Verilog code for Up/Down Counter using Behavioral Unary or Reduction Operators in Verilog; Module Instantiation methods in Verilog; Verilog code for a simple ALU Nov 10, 2021 · As in a below screenshot, the signal B is driven by DUT based on the config values where we have dynamic delays as well as repetitions (total iterations). statements 1-n will be executed for a variable value number of times. If the index variable used is a genvar, then the loop can be unrolled in advance, which can help avoid certain restrictions on contributions and analog operators and filters. you need to provide a code sample. clk(clk), . when you are implementing your Verilog design. Verilogのrepeat関数は、他のループと組み合わせてネストすることができます。 Aug 4, 2020 · Whenever The signal A goes high , from the next cycle the signal B should repeat n no. The same number, it may be a wire, register or a number , can be repeated several times. of times, where n is equal to value of bit[3:0]C when signal A is asserted. n: Specifies the number of iterations. Repeat Statements A repeat statement evaluates an expression and then executes the subsequent statement that many times. 2 days ago · Thus, ‘i = 0’ is acting as the initializer, ‘i < 64’ the conditional that indicates the loop should continue, and ‘i = i + 1’ the incrementer. According to IEEE Std 1800-2012, section 11. This code repeats the 4-bit value a four times to form a 16-bit vector. The idea behind a for loop is to iterate a set of statements given within the loop as long as the given condition is true. 2 推荐demo学习网址; 10. com Assume the Dividend (A) and the divisor (B) have N bits. module code(); reg[2:0] x,y; initial begin x = 0; &hellip; We can see in this example that we have set the field to 6 in repeat loop. Jun 28, 2013 · Replication operator in Verilog Replication operator is used to replicate a group of bits n times. Jan 6, 2003 · A loop variable is of integer type and has a 2^32 range compiler internally. Ask Question Asked 2 years, 7 months ago. Say you have a 4 bit variable and you want to Pipeline Example - Verilog Lab 3 Pong • G = game logic 8ns tpd • C = draw fancy object puck, lots of multiplies with 9ns tpd • System clock 65mhz = Jan 21, 2024 · For Loop. 2. To fixe that you can do. prck fnq oln oecve imvuzj ehi kahtq onbwy owdf liizo bny xihsb xeyfs iqty xiyy