.text
main:
	lb	$t0, x		# tmp = x;
	sub	$t0, $t0, 1	# tmp --;
	sb	$t0, x		# x = tmp;

	li	$v0, 11		# print char syscall
	lb	$a0, x		# printf("%c",x);
	syscall

	li	$v0, 11		
	la	$a0, '\n'	# putchar('\n');
	syscall

	li	$v0, 0		# return 0;
	jr	$ra

	.data
x:
	.byte 'Z'		# char x = 'Z';