Differences between inter statement and intra statement, Computer Engineering

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Differences between inter statement and intra statement delay?

//define register variables

reg a, b, c;

//intra assignment delays

initial

begin

a = 0; c = 0;

b = #5 a + c; //Take value of a and c at the time=0, evaluate

//a + c and then wait 5 time units to assign value to b.

End

//Equivalent method with temporary variables and regular delay control

initial

begin

a = 0; c = 0;

temp_ac = a + c;

#5 b = temp_ac; //Take value of a + c at the current time and

//store it in a temporary variable. Even though a and c

//might change between 0 and 5,

//the value assigned to b at time 5 is unaffected.

End

 


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