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package hlt.language.design.instructions;

/**
 * @version     Last modified on Wed Jun 20 14:29:51 2012 by hak
 * @author      <a href="mailto:hak@acm.org">Hassan A&iuml;t-Kaci</a>
 * @copyright   &copy; <a href="http://www.hassan-ait-kaci.net/">by the author</a>
 */

import hlt.language.design.backend.Runtime;

public class JumpOnFalse extends Relocatable
{
  public JumpOnFalse ()
    {
      setName("JUMP_ON_FALSE");
    }

  public JumpOnFalse (int address)
    {
      setName("JUMP_ON_FALSE");
      _address = address;
    }

  public final void execute (Runtime r)
    {
      if (r.popBoolean())
        r.incIP();
      else
        r.setIP(_address);
    }

  public final Relocatable relocate (int address)
    {
      return new JumpOnFalse(address);
    }
}