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armicron / hello_world_into_file.asm
Created October 10, 2016 12:35
NASM x86_64 open file and write 'Hello world'
section .text
global _start ;must be declared for linker (ld)
_start: ;tell linker entry point
mov rdi, filename
mov rsi, 0102o ;O_CREAT, man open
mov rdx, 0666o ;umode_t
mov rax, 2
syscall
; 1 2 3 4 5 6 7
;01234567890123456789012345678901234567890123456789012345678901234567890
;=======================================================================
;+---------------------------------------------------------------------+
;| |
;| Example using FPU registers for floating point calculations. |
;| |
;| The purpose of this source code is to demonstrate on how to |
;| do floating-point operations using FPU registers. |
;| |