We can understand from above discussions that stack plays an important role for call and return instructions.
In general, an area of system memory (RAM) is earmarked as the system stack, which is not used for any
other purpose. Generally, stack is accessed through a pointer known as the SP. We should also be careful for
nested subroutine calls so that the stack does not overfl ow causing error in functioning of the system. e SP
always indicates the stack top and the last saved data byte at that place. Stack always works with the principle
of last-in-fi rst out or LIFO.
SP is initialized by 07H after system ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month, and much more.
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.
Julian F.
Head of Cybersecurity
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.
Addison B.
Field Engineer
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.
Amir M.
Data Platform Tech Lead
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.