#
# using integer variables
#	read two ints and store in num1 and num2
#	add them (from the variables) and store result in num3
#	print the sum (from the variable)
#

	.data
num1:		.word	0
num2:		.word	0
num3:		.word	0
inlabel:	.asciiz	"\nA number: "
outlabel:	.asciiz "\nThe result: "

	.globl	main

	.text
main:

	lui	$t0, 0x1001			# $t0 <- base addr of data segment

# read two ints, store in variables
	li	$v0, 4				# syscall code to print string
	addi	$a0, $t0, 12			# add 12 to $t0 to get addr of prompt
	syscall					# print prompt
	li	$v0, 5				# syscall code to read int
	syscall					# read first int (stored in $v0)
	sw	$v0, 0($t0)			# store first int in num1

	li	$v0, 4				# syscall code to print string
	addi	$a0, $t0, 12			# add 12 to $t0 to get addr of prompt
	syscall					# print prompt
	li	$v0, 5				# syscall code to read int
	syscall					# read next int (stored in $v0)
	sw	$v0, 4($t0)			# store first int in num2

# add the ints and store sum in var
	lw	$t1, 0($t0)			# $t1 <- num1
	lw	$t2, 4($t0)			# $t2 <- num2
	add	$t3, $t1, $t2			# $t3 <- num1 + num2
	sw	$t3, 8($t0)			# store the sum in num3

# print the sum
	li	$v0, 4				# syscall code to print string
	addi	$a0, $t0, 24			# add 24 to $t0 for addr of result msg:
						# 23 for nums & inlabel, 1 for null 
						# byte at end of inlabel
	syscall					# print result msg
	lw	$a0, 8($t0)			# $a0 <- num3
	li	$v0, 1				# syscall code to print an int
	syscall					# print num3

	li	$v0, 10				# syscall code to exit from program
	syscall					# return