Host0Branch.java

/*
  Host0Branch.java

  (c) 2010-2014 Edward Swartz

  All rights reserved. This program and the accompanying materials
  are made available under the terms of the Eclipse Public License v1.0
  which accompanies this distribution, and is available at
  http://www.eclipse.org/legal/epl-v10.html
 */
package v9t9.tools.forthcomp.words;

import v9t9.tools.forthcomp.AbortException;
import v9t9.tools.forthcomp.HostContext;
import v9t9.tools.forthcomp.TargetContext;

/**
 * @author ejs
 *
 */
public class Host0Branch extends BaseHostBranch {

	/**
	 * 
	 */
	public Host0Branch() {
	}
	
	/**
	 * @param target
	 */
	public Host0Branch(int target) {
		this.target = target;
	}

	@Override
	public String toString() {
		return "0BRANCH " + target;
	}

	/* (non-Javadoc)
	 * @see v9t9.forthcomp.IWord#execute(v9t9.forthcomp.HostContext, v9t9.forthcomp.words.TargetContext)
	 */
	public void execute(HostContext hostContext, TargetContext targetContext)
			throws AbortException {
		if (hostContext.popData() == 0) {
			//System.out.println(this);
			hostContext.setHostPc(target);
		}
	}

	/* (non-Javadoc)
	 * @see java.lang.Object#clone()
	 */
	@Override
	public Host0Branch clone() {
		return new Host0Branch(target);
	}
}