/**
 * The Sys class provides a centralized point of access to all the system components.
 * It should be instantiated by the first class to use the new system, and sets up both
 * the CPU and the memory. It should be passed to any other components that need
 * access to the Processor, Memory, or Video components of the system. Also, please
 * remember to the the video component by calling setVideo().
 */
public class Sys {
	/**
	 * The version of the SaM Core
	 */
	public static final String SAM_VERSION = "2.2.4";
	
	/**
	 * Returns the CPU
	 */
	public Processor cpu() {
		return CPU;
	}
	/**
	 * Returns the Memory
	 */
	public Memory mem() {
		return MEM;
	}
	/**
	 * Returns the Video
	 */
	public Video video() {
		return VIDEO;
	}

	/**
	 * Sets the video to the provided component
	 */
	public void setVideo(Video v) {
		VIDEO = v;
	}

	/**
	 * Creates a new Sys with a default Processor and memory
	 */
	public Sys() {
		CPU = new SamProcessor(this);
		MEM = new SamMemory(this);
	}

	protected Processor CPU;
	protected Memory MEM;
	protected Video VIDEO;
}