# absolute value through shift and xor
#
#
	.data	
promp1: .asciiz "\n Enter num: "

outmsg: .asciiz "\nThe absolute value is "
	.globl  main
	.text
main:		

# read the num 
read:
	li	$v0, 4			# system call code for print string
	la	$a0, promp1		# load addr of promp1 in $a0
	syscall				# print prompt
	li      $v0, 5			# system call code for read int
	syscall				# read num into $v0
	move	$t1,$v0			# $t1 is num
	sra	$t2, $t1, 31		# propagate sign through register t2
	xor	$t3, $t2, $t1		# t3 is xor of num and num >> 31
	sub	$t4, $t3, $t2		# the abs value

print:
	li	$v0, 4			# system call code for print string
	la	$a0, outmsg		# load addr of promp2 in $a0
	syscall				# print abs message
	li	$v0, 1			# code to print int
	move	$a0, $t4		# print abs
	syscall	

# exit from program
 
	li	$v0, 10			# terminate execution and
	syscall				# return control to system