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This tutorial has been designed for those who want to learn the basics of assembly programming from scratch. This tutorial will give you enough understanding on assembly programming from where you can take yourself to higher levels of expertise.
This guide describes the basics of 32-bit x86 assembly language programming, covering a small but useful subset of the available instructions and assembler directives. There are several different assembly languages for generating x86 machine code.
These instructions and registers are enough to learn from. You learn about memory layout, instruction opcodes, instruction encoding, memory access, and so on. In this tutorial, I will cover the basics of programming the x64/AMD64 CPU in assembly language.
A program written in assembly language consists of a series of mnemonic processor instructions and meta-statements (known variously as declarative operations, directives, pseudo-instructions, pseudo-operations and pseudo-ops), comments and data.
The prerequisites to reading this tutorial are working with binary numbers, moderate experience programming in an imperative language (C/C++/Java/Python/etc.), and the concept of memory pointers (C/C++). You do not need to know how CPUs work internally or have prior exposure to assembly language.
In this tutorial, we’ll introduce the Assembly language. Before getting into details, we should have a clear idea of the levels of programming languages and how the architecture of a computer looks like. 2. Theory Background.
Introduction. Assembly language is a human readable form of machine language or machine code which is the actual sequence of bits and bytes on which the processor logic operates.