//----------------------------------------------------------------
//	testmulb.s
//
//	This interactive program tests our 'softmulb.s' function.
//
//	programmer: ALLAN CRUSE
//	written on: 16 FEB 2005
//----------------------------------------------------------------

	.section	.data
legend:	.asciz		"\nThis program computes  x  times  y \n\n"
format:	.asciz		"%d"
report:	.asciz		"OK, %d times %d equals %d \n\n" 
ask_x:	.asciz		"Please type your x value: "
ask_y:	.asciz		"Please type your y value: "
x:	.int		0
y:	.int		0
z:	.int		0

	.section	.text
main:	# show the program's legend
	pushl	$legend			# push function argument
	call	printf			# call library function
	addl	$4, %esp		# discard the argument

	# show prompt #1 and get reply
	pushl	$ask_x			# push function argument 
	call	printf			# call library function
	addl	$4, %esp		# discard the argument 
	pushl	$x			# push argument #2
	pushl	$format			# push argument #1
	call	scanf			# call library function
	addl	$8, %esp		# discard two arguments

	# show prompt #2 and get reply
	pushl	$ask_y			# push function argument
	call	printf			# call library function
	addl	$4, %esp		# discard the argument
	pushl	$y			# push argument #2
	pushl	$format			# push argument #1
	call	scanf			# call library function
	addl	$8, %esp		# discard two arguments

	# now compute the product
	movb	x, %al			# copy multiplicand to AL
	movb	y, %bl			# copy multiplier to BL
	call	softmulb		# software multiplication
	movw	%ax, z			# copy product to storage

	# report the result, then exit
	pushl	z			# push argument #4 
	pushl	y			# push argument #3
	pushl	x			# push argument #2
	pushl	$report			# push argument #1
	call	printf			# call library function
	addl	$16, %esp		# discard all arguments
	ret				# return to the caller
	
	.global		main		# entry-point is visible
	.end				# no further statements