November 2025 - NeuralLantern.com

x86-64 Assembly: Signed Integer Multiplication and Addition with IMUL & ADD (YASM on Ubuntu Linux)

Hands-on x86-64 assembly tutorial showing how to perform signed integer multiplication using the IMUL instruction in YASM/NASM on Linux. Covers immediate and global operands, two/three-operand forms, basic addition, with complete working code and live execution.

mike November 30, 2025

$Why C Strings End with \0 – Null Terminated Strings Explained Simply$

Assembly Language Coding Computer Science

Why C Strings End with \0 – Null Terminated Strings Explained Simply

Null-terminated strings in C use a zero byte (\0) to mark the end instead of storing length. Learn exactly how C strings work under the hood, see the ASCII values for "Hello", and understand why the null terminator exists.

mike November 23, 2025

Assembly Language Coding Computer Science

x86-64 Assembly Segfault on printf? Fix Stack Alignment (Yasm + GCC Demo)

x86-64 assembly crashes on printf due to stack alignment. Yasm + GCC hybrid program fixed with push/pop in prologue and epilogue. Live Linux demo.

mike November 16, 2025

Assembly Language Coding Computer Science

Mix C++, C, and Assembly into One Program – Hybrid Program Full Build Tutorial

Learn to build a hybrid program mixing C++, C, and x86-64 assembly. Covers object files, linking, extern "C", name mangling, and a full Makefile. Run one executable with modules calling each other.

mike November 9, 2025

Assembly Language Coding Computer Science

Yasm x86-64 Assembly: Instruction Formats, Operands, MOV, ADD, Memory & Registers Explained

Yasm assembly tutorial: decode instruction formats, operands, mov, add, memory sizes & registers. Fix common crashes. Code-along x86-64 guide for beginners.

mike November 2, 2025