computer architecture Archives

x86-64 Assembly Bit Manipulation: AND, OR, XOR, NOT, Shifts & Rotates Tutorial

Learn bitwise operations in x86-64 assembly language including AND, OR, XOR, NOT, logical and arithmetic shifts, and bit rotations with practical examples and GDB debugging.

mike December 29, 2025

Assembly Language Coding Computer Science

Signed Integer Division in x86-64 Assembly with IDIV and CQO

Step-by-step tutorial on performing signed integer division in x86-64 assembly language using the IDIV instruction and CQO for sign extension. Includes complete working Yasm code on Ubuntu/Linux.

mike December 14, 2025

Computer Science Videos

How Your CPU Works: Fetch, Decode, Execute Explained

Discover how your CPU fetches, decodes, and executes instructions in this beginner-friendly guide. Learn about the clock, RIP register, and ALU in a simple breakdown of computer architecture.

mike August 10, 2025

Assembly Language Coding Computer Science

Demystifying x86-64 Program Segments: Stack, Heap, and More

Understand x86-64 program segments like stack, heap, data, and BSS. Learn to avoid segmentation faults and stack overflows in this beginner-friendly coding tutorial.

mike August 4, 2025

Assembly Language Coding Computer Science

Mastering x86-64 Assembly: A Beginner’s Guide to CPU Registers

Learn x86-64 assembly with this beginner’s guide to CPU registers. Master RAX, RBX, ABI rules, and optimize code. Perfect for low-level programming enthusiasts.

mike July 27, 2025

Computer Science Videos

Master Data Sizes in x86-64 CPUs: Bytes, Words, D Words, and Quad Words Explained

Learn data sizes in x86-64 CPUs: bytes, words, D words, quad words. Clear guide for coders on assembly & registers. Subscribe for more!

mike June 9, 2025