Top "System-verilog" questions

SystemVerilog is a unified hardware design, specification, and verification language based on extensions to Verilog.

proper use of "disable fork" in systemverilog

I've something similar to following pseudo code: for (lets say 10 iterations) begin // Do some configuration changes fork begin ///apply input …

verification system-verilog
Verilog signed multiplication: Multiplying numbers of different sizes?

For some reason I have been unable to find any definitive resources or stackoverflow questions answering this: Does verilog take …

verilog system-verilog
Verilog ** Notation

What does ** mean in verilog? I have the following logic provided for a testbench localparam NUM_INPUT_BITS = 1; localparam NUM_…

verilog system-verilog
When to use the tick(') for Verilog array initialization?

Array initialization can be done with or without the ': int a[8] = '{0,1,2,3,4,5,6,7}; // Packed int b[8] = {0,1,2,3,4,5,6,7}; // Unpacked Is there a …

arrays verilog system-verilog array-initialization
How to interpret blocking vs non blocking assignments in Verilog?

I am a little confused about how blocking and non blocking assignments are interpreted when it comes to drawing a …

verilog system-verilog
Verilog: How to delay an input signal by one clock cycle?

I would like to delay an input signal by one complete clock cycle.I have the code below which basically …

verilog clock system-verilog xilinx-ise
Assign ASCII character to wire in Verilog

I understand that you can declare a string in a Verilog test bench as follows: reg [8*14:1] string_value; initial string_…

string ascii verilog system-verilog
undefined reference to `main' in C

Hi I am getting below error while compiling a c code using gcc /usr/lib/gcc/x86_64-redhat-linux/4.4.6/../../../../lib64/crt1.…

c gcc system-verilog fftw system-verilog-dpi
Error: "(vlog-2110) Illegal reference to net"

I have a simple fifo code in System Verilog. I get several vlog-2110 illegal reference to net error messages. I …

system-verilog
How to define and initialize a vector containing only ones in Verilog?

If I want to declare a 128 bit vector of all ones, which one of these methods is always correct? wire [127:0] …

verilog system-verilog register-transfer-level