The Art of Assembly Language, 2nd Edition

12.3 Objects

Remember, a class definition is just a type. Therefore, when you declare a class type you haven't created a variable whose fields you can manipulate. An object is an instance of a class; that is, an object is a variable whose type is some class. You declare objects (i.e., class variables) the same way you declare other variables: in a var, static, or storage section.^[135] Here is a pair of sample object declarations:

var
     T1: TypicalClass;
     T2: TypicalClass;

For a given class object, HLA allocates storage for each variable appearing in the var section of the class declaration. If you have two objects, T1 and T2, of type TypicalClass, then T1.TCvar is unique, as is T2.TCvar. This is the intuitive result (similar to record declarations); ...