Here is a link to a complete (I think) list of NASM instructions, which I presume also covers the x64 bit instruction set for Intel processors. However, I was hoping there would be a complete …

Following the answer about assembly registers' sizes: First, what sizes are eax, ax, ah and their counterparts, in the 64-bit architecture? How to access a single register's byte and how to …

Calling printf in x86_64 using GNU assembler Asked 9 years, 5 months ago Modified 4 years, 2 months ago Viewed 79k times

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 help of C …

Nov 22, 2022 · How do function calls return a value in x86-64 assembly? Asked 3 years, 1 month ago Modified 3 years, 1 month ago Viewed 4k times

In Intel x86 64 bit architecture there is the rax... rdx registers which are simply A...D general purpose registers. But there are also registers called rsi and rdi which are the "source index" …

Mar 10, 2012 · I am trying to learn x86_64 assembly and I was trying standard input output today and stumbled upon this post Learning assembly - echo program name How would I do the …

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? …

Dec 22, 2014 · 7 I am new to assembly, and want to first try to get an intuitive feel for how printing a string to the terminal would work, without going through the operating system abstraction …

What are the calling conventions for UNIX & Linux system calls on i386 and x86-64 In 64-bit mode syscall is preferred because it's faster, available on all x86-64 Linux kernels, and supports 64 …