public function moveby($count)
{
$this->_position += $count;
if ($this->_position < 0) {
die("Error in instruction " . WhirlParser::instance()->getInstructionNumber() . ": Memory index out of bounds. The memory index was decreased beyond zero.");
}
if (!isset($this->_values[$this->_position])) {
$this->_values[$this->_position] = 0;
}
}
protected function RINGFUNC_AscIO()
{
if ($this->_getValue() === 0) {
WhirlMemory::instance()->setValue((int) ord(WhirlParser::instance()->input()));
} else {
WhirlParser::instance()->output(chr(WhirlMemory::instance()->getValue()));
}
}
