The Art of Assembly Language, 2nd Edition

5.3 Prematurely Returning from a Procedure

The HLA exit and exitif statements let you return from a procedure without having to fall into the corresponding end statement in the procedure. These statements behave a whole lot like the break and breakif statements for loops, except that they transfer control to the bottom of the procedure rather than out of the current loop. These statements are quite useful in many cases.

The syntax for these two statements is the following:

exit procedurename;
exitif( boolean_expression ) procedurename;

The procedurename operand is the name of the procedure you wish to exit. If you specify the name of your main program, the exit and exitif statements will terminate program execution (even if you're currently inside ...