Böcker av Alan Clements

Learn computer architecture with Python and ARM, simulating assembly program execution and designing a computer simulatorPurchase of the print or Kindle book includes a free PDF eBookKey Features- Build a computer simulator with Python: Learn computer architecture by designing and constructing a simulator- Python for architecture: Use Python to simulate and execute assembly language instructions- ARM programming on Raspberry Pi: Explore ARM assembly language and run programs on Raspberry PiBook DescriptionThis 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.What you will learn- Master the core principles of computer architecture- Understand the role of registers, memory, and data flow in computers- Discover how to design and implement a computer simulator using Python- Simulate and execute assembly language programs on the simulator- Enhance the simulator using new instructions for improved output- Analyze complex computer instructions for deeper architectural understanding- Explore the ARM instruction set and data processing on the Raspberry Pi- Develop proficiency in writing, assembling, and running ARM code on the Raspberry PiWho this book is forThis book is for university students studying computer science, particularly those enrolled in a computer architecture module. With its practical approach and succinct explanations, it is also suitable for hobbyists, enthusiasts, and self-learners seeking a deeper understanding of computer systems. The book assumes foundational knowledge of number bases, binary arithmetic, and Boolean logic concepts. While it primarily caters to the computer science field, this book is less geared toward electrical or electronics engineering.Table of Contents- Introduction to the computer- Computer architecture: Data flow in a computer- Crafting an interpreter: First steps- A little more Python- Analyzing the Instruction- The Different Types of Computing Technologies- Adding New Instructions- Displaying results- Examples of simulators- "Basics of the Raspberry Pi operating system"- "ARM instruction set architecture"- ARM data-processing instructions- Appendix I: Examples of ARM code

"A rare and beautiful dialogue on liberating death. Through the wisdom of our grief, we enter into an existential sense door, where death itself becomes a festival of wonder, a heightened radical ride into the heart of the ever-present future, and beyond. Thisis a must read for every person on earth who cares about the future of life and death."- Jeannine Davies, PhD, Psychologist, author, Relational DharmaGreetings. Thank you for being with me on this journey. A preface to my book, Facing Death. A year ago I was diagnosed with a fatal heart condition. An emergency room visit revealed a severely enlarged aortic aneurysm, an often-lethal swelling in the largest vessel leaving the heart. I was told in no uncertain terms that it was like a radiator hose ready to burst, a ticking time bomb on a short fuse, and that death could and likely would come "at any second" if I did not undergo immediate open-heart surgery. I scheduled three surgeries and cancelled them all due to the shock and the tears, inevitably, of facing something so dramatic. I decided to come to Maui, my second spiritual home (after Burma) to enter hospice and apply for the right to take my life. Hawaii allows the right to die by your own choice, and through a rigorous process I was granted the pharmaceutical substance necessary, should I make this decision.I took care of business. I went to see my beloved daughter, Sahra Bella, in Vancouver. I wrote my will and my Five Wishes. I looked deeply into who would handle my burial and my body. Reverend Bodhi Be, here on the island, at his green funeral organization, Doorway Into Light, had attracted me. I had known of him, had respect for him, and he agreed to handle my body and bury it, whether I die by natural causes or choose to consciously, mindfully euthanize on my most sacred terms. I've had this vision for some months, and the only thing that was left was a heart-to-heart with the man that I entrusted, who bequeathed me with his compassion to take care of my body and bury it, should I die here. I felt pressing questions in perhaps a little sharper detail; "Who are you? Who are we?" I wanted to get to know him. This book, Facing Death, is perhaps the most sacred conversation I've ever had. It was deliberately designed to be one sitting, to be read in an hour to an hour and a half, to be felt, to be resonated with, to cry along with us.We sit and talk in the context of Ukrainian/ Russian war, and with it the threat of a new world war. Countries are on nuclear alert as global meltdown unfolds and climate catastrophe brings with it some of the most biting questions and difficult answers. Even as we speak, multiple extinctions go on in multiple universes and multiple galaxies. Inbuilt into the system, to state the unthinkably obvious, is death. Within it, we each have our religion, our prayer, our miracle, our hope, our mindfulness, our Dharma. This conversation is meant to illuminate, in the humblest way, this epic issue of life and death. What does it mean to mindfully inhabit the inevitable? As Bodhi Be says, "We all know we're going to die but we don't know when." It's inbuilt into the system. This book is part prayer, part scream, part hymn, part meditation; a sonnet, a love song to God, to each of us. It's not meant to teach anything except to inspire our own humble, vulnerable, dignified way to face the inevitable. So, may I invite you to enter this portal with us, an existential human conversation of the heart. I hope there's something beautiful in it for you, as there was for me, and I know the Reverend Bodhi Be. Alan Clements