amd64/bareMetalOS-0.5.3/programs/hello.asm

   1 ; Hello World Assembly Test Program (v1.0, July 6 2010)
   2 ; Written by Ian Seyler
   3 ;
   4 ; BareMetal compile:
   5 ; nasm hello.asm -o hello.app
   6
   7
   8 [BITS 64]
   9 [ORG 0x0000000000200000]
  10
  11 %INCLUDE "bmdev.asm"
  12
  13 start:                                  ; Start of program label
  14
  15         mov rsi, hello_message          ; Load RSI with memory address of string
  16         call b_print_string             ; Print the string that RSI points to
  17
  18 ret                                     ; Return to OS
  19
  20 hello_message: db 'Hello, world!', 13, 0