//---------------------------------------------------------------
//	out2file.s
//
//	This demo shows the basic steps needed to create a file.
//
//	      to assemble:  $ as out2file.s -o out2file.o
//	      and to link:  $ ld out2file.o -o out2file
//
//	programmer: ALLAN CRUSE
//	written on: 26 MAR 2007
//---------------------------------------------------------------

	.equ	sys_EXIT, 1
	.equ	sys_WRITE, 4
	.equ	sys_OPEN, 5
	.equ	sys_CLOSE, 6
	.equ	S_ACCESS, 00600
	.equ	O_CREAT, 0100
	.equ	O_TRUNC, 01000
	.equ	O_WRONLY, 01

	.section	.data
handle:	.int	-1
flags:	.int	O_CREAT | O_WRONLY | O_TRUNC
access:	.int	S_ACCESS
fname:	.asciz	"mycookie.txt"
info:	.ascii	"Computer Science 210\n"
	.ascii	"Spring 2007\n"
	.ascii	"University of San Francisco\n"
size:	.int	. - info

	.section	.text
_start:	# open the file for writing
	mov	$sys_OPEN, %eax
	lea	fname, %ebx
	mov	flags, %ecx
	mov	access, %edx
	int	$0x80
	mov	%eax, handle

	# write information to the file
	mov	$sys_WRITE, %eax
	mov	handle, %ebx
	lea	info, %ecx
	mov	size, %edx
	int	$0x80

	# close the file
	mov	$sys_CLOSE, %eax
	mov	handle, %ebx
	int	$0x80

	# terminate this program
	mov	$sys_EXIT, %eax
	mov	$0, %ebx
	int	$0x80

	.global	_start
	.end