errant/tacit

src/Instruction/Branch/Jez.php

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<?php 
namespace Tacit\Instruction\Branch;
/**
 * Jump if Equal to Zero
 *
 * @author Tom Morton
 */
class Jez extends \Tacit\Instruction\Branch\Jmp {

    public $command = 'JEZ';

    public function execute($vm)
    {
        $vm->pointer++;
        if($vm->stack->pop() == 0) {
            $vm->pointer = $vm->getByte();
        }
    }

}