# hello.s
# instructions to run:
# as hello-world.s -o hello-world.o
# ld hello-world.o -o hello-world
# ./hello-world

# define length of string
.equ length,0x0f		# hard-coded length of string

.text
.globl _start           #Make entry point visible to linker

_start:
	#implement hello world    
	movl $0x04, %eax           #4=write
        movl $0x01, %ebx           #1=stdout
        movl $string, %ecx
        movl $length, %edx
	int $0x80               #Call Operating System
	# exit the program
        movl %eax, %ebx         #Make program return syscall exit status
        movl $0x01, %eax           #1=exit
        int $0x80               #Call System Again

# define the string
.data
string:
        .asciz "Hello, world!\n"