Tasks are identical to functions except they do not return a value.

task task_name (argument_list) {
  statements;
}

By default, tasks declared at the top level have a global scope. The local keyword is used to reduce the scope of a task to the file in which the task is declared.

 1 program function_ex {
 2   print_data(random(),random());
 3   print_data(random(),random());
 4 }
 5 
 6 // Some random task 
 7 task print_data (bit [7:0] d1, bit [7:0] d2) {
 8   printf("Value 1 %x, Value 2 %x\n",d1,d2);
 9 }

 Value 1 ac, Value 2 1d
 Value 1 bf, Value 2 c9

Copyright © 1998-2025

Deepak Kumar Tala - All rights reserved

Do you have any Comment? mail me at:deepak@asic-world.com