errant/tacit

<?php 
namespace Tacit\Instruction\Command;
/**
 * Sleep for X seconds
 *
 * @author Tom Morton
 */
class Slp extends \Tacit\Instruction {

    public $command = 'SLP';

    public function execute($vm)
    {
        $vm->pointer++;
        sleep($vm->getByte());
    }

    public function compile(&$bytestream, $byte, $command)
    {
        if(!isset($command['T_OPERAND'])) {
            throw new \Exception('Command ' . $this->command . ' expects an operand');
        }

        $bytestream[] = $byte;
        $bytestream[] = $command['T_OPERAND'];

    }
}