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Happy Birthday in Linux Assembly x86-64 #37

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Happy Birthday in Linux Assembly x86-64 #37

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3c6db69
Add HBD message in Linux x86-64 Assembler
roidsaja Oct 8, 2019
49952e3
Removed unnecessary files
roidsaja Oct 8, 2019
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31 changes: 31 additions & 0 deletions examples/hbd_assembler.asm
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Original file line number Diff line number Diff line change
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section .text
global _start ; immediately jump to _start

_start:

mov edx,len ;message length
mov ecx,msg ;message to write
mov ebx,1 ;file descriptor for stdout
mov eax,4 ;system call number (sys_write)
int 0x80 ;call kernel

mov eax,1 ;exit system call number (sys_exit)
int 0x80 ;call kernel


section .data
msg: db 'Happy Birthday!',0xa
len: equ $ - msg



; _Compiling and Running in Linux_

; _compile using Netwide Assembler_
; $ nasm -f elf64 happy_birthday.asm -o happy_birthday.o

; _link to run_
; $ ld happy_birthday.o -o run_msg

; _running from cli_
; $ ./run_msg