May 2014
Intermediate to advanced
888 pages
23h 16m
English
book
The x86 Microprocessors: 8086 to Pentium, Multicores, Atom and the 8051 Microcontroller, 2nd Edition
by Lyla B. Das
Content preview from The x86 Microprocessors: 8086 to Pentium, Multicores, Atom and the 8051 Microcontroller, 2nd Edition
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5
Programming Concepts—IV
IN THIS CHAPTER, YOU WILL LEARN
- The difference between peripheral I/O and memory mapped I/O.
- The use of the input/output instructions of 8086.
- The importance of modular programming.
- The use of directives which facilitate modular programming.
- To write programs in different modules and link them.
- To use assembly modules in a C programming environment.
Introduction
We know that the processor we use is connected to the I/O as well as the memory. So far, we have only dealt with data being read from and written to memory. We have accessed I/O devices like the keyboard and the video monitor, but for that we used DOS interrupts, which are functions already written and tested. Now, let us try to deal with I/O directly ...
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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.
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.
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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.