//----------------------------------------------------------------
//	greeting.s
//
//	This is an example of an application program which does
//	not use any external references, and therefore does not
//	need to be linked to any other object-files or separate
//	libraries of standard C functions.
//
//	compile using:	$ as greeting.s -o greeting.o
//	link using:	$ ld greeting.o -o greeting
//	execute using:	$ ./greeting
//
//	programmer: ALLAN CRUSE
//	written on: 15 MAY 2003
//----------------------------------------------------------------

	.section	.data
msg:	.string	" Hello \n"	# text of the message string

	.section	.text
_start:	movl	$4, %eax	# system-call number for sys_write 
	movl	$1, %ebx	# device-file id-number for stdout
	movl	$msg, %ecx	# address of the message string
	movl	$8, %edx	# length of the message string
	int	$0x80		# trap-instruction for system-call

	movl	$1, %eax	# system-call number for sys_exit
	movl	$0, %ebx	# value for the exit-code 
	int	$0x80		# trap-instruction for system-call

	.globl	_start		# makes entry-point visible (can omit this)