Book Image

Computer Architecture with Python and ARM

By : Alan Clements
Book Image

Computer Architecture with Python and ARM

By: Alan Clements

Overview of this book

This comprehensive guide offers a unique and immersive learning experience by combining Python programming with ARM architecture. Starting with an introduction to computer architecture and the flow of data within a computer system, you’ll progress to building your own interpreter using Python. You’ll see how this foundation enables the simulation of computer operations and learn ways to enhance a simulator by adding new instructions and displaying improved results. As you advance, you’ll explore the TC1 Assembler and Simulator Program to gain insights into instruction analysis and explore practical examples of simulators. This will help you build essential skills in understanding complex computer instructions, strengthening your grasp of computer architecture. Moreover, you’ll be introduced to the Raspberry Pi operating system, preparing you to delve into the detailed language of the ARM computer. This includes exploring the ARM instruction set architecture, data-processing instructions, subroutines, and the stack. With clear explanations, practical examples, and coding exercises, this resource will enable you to design and construct your own computer simulator, simulate assembly language programs, and leverage the Raspberry Pi for ARM programming.
Table of Contents (18 chapters)
1
Part 1: Using Python to Simulate a Computer
Free Chapter
2
Chapter 1: From Finite State Machines to Computers
10
Part 2: Using Raspberry Pi to Study a Real Computer Architecture

12

Subroutines and the Stack

A subroutine is a piece of code that is called from a point within a program and executed, and then a return is made to the instruction after the calling point. All computers use subroutines, but some computers provide a programmer with more facilities to implement subroutines than others.

In this chapter, we will look at the ARM’s subroutine handling mechanisms – in particular, the following:

  • The special branch and link instruction
  • The stack
  • A subroutine call and return
  • Block move instructions