SystemVerilog

“`systemverilog
module hello_world;

initial begin
$display(“Hello World!”);
$finish;
end

endmodule
“`

Explanation:

• module hello_world;: This declares a SystemVerilog module named hello_world. Modules are the basic building blocks of SystemVerilog designs.
• initial begin ... end: The initial block is executed only once at the start of the simulation. It’s the ideal place to put your initial setup code.
• $display("Hello World!");: This is a SystemVerilog system task that prints the string “Hello World!” to the console. The $ symbols indicate system tasks (predefined functions and procedures).
• $finish;: This system task signals the end of the simulation, stopping the execution of the code within the initial block.
• endmodule: This closes the module declaration.

How to run this code:

1. Save the code: Save the code as a .sv file (e.g., hello_world.sv).
2. Use a SystemVerilog simulator: You’ll need a SystemVerilog simulator like ModelSim, Vivado Simulator, or VCS to compile and run the code.
3. Compile: Use your simulator’s command-line interface to compile the file. For example, with ModelSim: vlog hello_world.sv
4. Simulate: After compilation, run the simulation. With ModelSim: run -all

You should see “Hello World!” printed on the console after the simulation completes.

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