# demonstrate implementation of pointers by an address

# register use
# - $t0: int *p
# - $t1: int i
# - $t3: temporary result

main:
	la	$t0, answer		# p = &answer;

	lw	$t1, 0($t0)		# i = *p;

	move	$a0, $t1		# printf("%d\n", i);
	li	$v0, 1
	syscall

	li	$a0, '\n'		# printf("%c", '\n');
	li	$v0, 11
	syscall

	li	$t2, 27			# *p = 27;
	sw	$t2, 0($t0)		#

	lw	$a0, answer		# printf("%d\n", answer);
	li	$v0, 1
	syscall

	li	$a0, '\n'		# printf("%c", '\n');
	li	$v0, 11
	syscall

	li	$v0, 0			# return 0 from function main
	jr	$ra			#


	.data
answer:
	.word 42			# int answer = 42;