5.21. 5.21 Managing Large Programs

Most assembly language source files are not stand-alone programs. In general, you will call various Standard Library or other routines that are not defined in your main program. For example, you've probably noticed by now that the 80×86 doesn't provide any machine instructions like "read," "write," or "put" for doing I/O operations. Of course, you can write your own procedures to accomplish this. Unfortunately, writing such routines is a complex task, and beginning assembly language programmers are not ready for such tasks. That's where the HLA Standard Library comes in. This is a package of procedures you can call to perform simple I/O operations like stdout.put.

The HLA Standard Library contains tens of thousands ...

Get Art of Assembly Language, 1st Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.