The Art of Assembly Language, 2nd Edition

1.11 Additional Details About try..endtry

As you may recall, the try..endtry statement surrounds a block of statements in order to capture any exceptions that occur during the execution of those statements. The system raises exceptions in one of three ways: through a hardware fault (such as a divide-by-zero error), through an operating system-generated exception, or through the execution of the HLA raise statement. You can write an exception handler to intercept specific exceptions using the exception clause. The program in Example 1-8 provides a typical example of the use of this statement.

Example 1-8. try..endtry example

program testBadInput; #include( "stdlib.hhf" ) static u: int32; begin testBadInput; try stdout.put( "Enter a signed integer:" ...