
assembly - What's the purpose of the LEA instruction? - Stack …
Nov 2, 2009 · From the "Zen of Assembly" by Abrash: LEA, the only instruction that performs memory addressing calculations but doesn't actually address memory. LEA accepts a …
How to write if-else in assembly? - Stack Overflow
Nov 15, 2016 · How to write the equal condition (in the question) in assembly? Your example has an else statement while mine uses an else if.
assembly - How do AX, AH, AL map onto EAX? - Stack Overflow
When I was in school (in Russia), we were primarily studying the 16-bit assembly language in DOS. I do remember that general purpose registers adhered to the little endian system, e.g. …
assembly - What are the ESP and the EBP registers? - Stack Overflow
Feb 12, 2014 · Understanding the stack is very crucial in programming in assembly language as this can affect the calling conventions you will be using regardless of the type. For example, …
What does the 'and' instruction do to the operands in assembly …
Dec 4, 2018 · What does the 'and' instruction do in assembly language? I was told that it checks the bit order of the operands and sets the 1s to true and anything else to false, but I don't …
x86 - What does ORG Assembly Instruction do? - Stack Overflow
Aug 4, 2010 · can anyone give me a comprehensive description about ORG directive? When and why is it used in assembly written applications? Using Nasm on x86 or AMD64.
/r/asm - where every byte counts - Reddit
Welcome to `r/asm`, the subreddit for Assembly language in all Instruction Set Architectures!
How to write hello world in assembly under Windows?
Jun 21, 2009 · I wanted to write something basic in assembly under Windows. I'm using NASM, but I can't get anything working. How do I write and compile a hello world program without the …
What do the dollar ($) and percentage (%) signs represent in x86 …
Sep 28, 2018 · I am trying to understand how the assembly language works for a micro-computer architecture class, and I keep facing different syntaxes in examples: sub $48, %esp mov …
assembly - What are the names of the new X86_64 processors …
Nov 18, 2009 · What little assembly I do (and it's becoming about one day a year) is done in assembly rather than C. Related: Why did they use numbers for register names in x86-64? …