SECTION .data ; data section
msg: db "Hello World",10 ; the string to print, 10=cr
len: equ $-msg ; "$" means "here"
; len is a value, not an address
SECTION .text ; code section
global main ; make label available to linker
main: ; standard gcc entry point
mov edx,len ; arg3, length of string to print
mov ecx,msg ; arg2, pointer to string
mov ebx,1 ; arg1, where to write, screen
mov eax,4 ; write sysout command to int 80 hex
int 0x80 ; interrupt 80 hex, call kernel
mov ebx,0 ; exit code, 0=normal
mov eax,1 ; exit command to kernel
int 0x80 ; interrupt 80 hex, call kern
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