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verilog - What does always block @ (*) means? - Stack Overflow The (*) means "build the sensitivity list for me" For example, if you had a statement a = b + c; then you'd want a to change every time either b or c changes In other words, a is "sensitive" to b c So to set this up: always @( b or c ) begin a = b + c; end But imagine you had a large always block that was sensitive to loads of signals Writing the sensitivity list would take ages In fact
Verilog Always block using (*) symbol - Stack Overflow The always @(*) syntax was added to the IEEE Verilog Std in 2001 All modern Verilog tools (simulators, synthesis, etc ) support this syntax Here is a quote from the LRM (1800-2009): An incomplete event_expression list of an event control is a common source of bugs in register transfer level (RTL) simulations The implicit event_expression, @*, is a convenient shorthand that eliminates these
verilog - Use of forever and always statements - Stack Overflow The difference between forever and always is that always can exist as a "module item", which is the name that the Verilog spec gives to constructs that may be written directly within a module, not contained within some other construct initial is also a module item always blocks are repeated, whereas initial blocks are run once at the start of
c# - TopMost is not TopMost always - WPF - Stack Overflow I have a clock application I have set the Window's TopMost property But, randomly, some other window or visual studio comes above clock Is there any other way to make my window (clock app) to d
Is Java pass-by-reference or pass-by-value? - Stack Overflow 103 Java is always pass by value, not pass by reference First of all, we need to understand what pass by value and pass by reference are Pass by value means that you are making a copy in memory of the actual parameter's value that is passed in This is a copy of the contents of the actual parameter
c++ - When to use virtual destructors? - Stack Overflow To sum up, always make base classes' destructors virtual when they're meant to be manipulated polymorphically If you want to prevent the deletion of an instance through a base class pointer, you can make the base class destructor protected and nonvirtual; by doing so, the compiler won't let you call delete on a base class pointer