Art of Assembly Language, 1st Edition

1.11. 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 ...