5.7 Functions and Function Results
Functions are procedures that return some result to the caller. In assembly language, there are very few syntactical differences between a procedure and a function, which is why HLA doesn't provide a specific declaration for a function. Nevertheless, although there is very little syntactical difference between assembly procedures and functions, there are some semantic differences. That is, although you can declare them the same way in HLA, you use them differently.
Procedures are a sequence of machine instructions that fulfill some task. The end result of the execution of a procedure is the accomplishment of that activity. Functions, on the other hand, execute a sequence of machine instructions specifically to ...
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