<!-- Dictionary files registration -->

/**
 * CPU Chip Class
 */
/* ## class CPUChip implements computer.primitives.IDataSet */

/**
 * CPU Chip Constructor
 */
function CPUChip(container) {
	//Build the HTML DOM
	var table = document.createElement("TABLE");
	var tr = table.insertRow(0);
	tr.style.height = COMPONENT_HEIGHT;
	tr.style.verticalAlign = "top";
	var td = tr.insertCell(0);

	//***INNER TABLE
	var table2 = document.createElement("TABLE");
	td.appendChild(table2);
	var tr2 = table2.insertRow(0);
	var td23 = tr2.insertCell(0);

	var td2 = tr2.insertCell(1);
	//Instruction Register
	td2.appendChild(document.createElement("BR"));
	td2.appendChild(document.createElement("BR"));
	var divInst = document.createElement("DIV");
	divInst.style.backgroundColor = CELL_COLOR;
	divInst.style.width = ((parseInt(CELL_HEIGHT) + 5) * 2) + "px";
	divInst.id = "___instruction_div_container";
	var cent1 = td2.appendChild(document.createElement("CENTER"));
	var b2 = cent1.appendChild(document.createElement("SPAN"));
	b2.innerHTML = "אוגר פקודה";
	b2.style.color = LABEL_COLOR;
	b2.style.fontSize = "12px";
	b2.style.fontWeight = "bold";
	cent1.appendChild(document.createElement("BR"));
	var outdivInst = document.createElement("DIV");
	cent1.appendChild(outdivInst);
	outdivInst.style.backgroundColor = CELL_COLOR;
	outdivInst.style.width = "90px";
	outdivInst.style.height = "46px";
	outdivInst.style.lineHeight = "10px";
	//outdivInst.style.borderStyle = "Solid";
	//outdivInst.style.borderWidth = "1px";
	//outdivInst.style.borderColor = "#000000";
	outdivInst.style.backgroundImage = "url(../Borders/register_all.gif)";
	outdivInst.style.horizontalAlign = "center";
	outdivInst.style.verticalAlign = "bottom";
	outdivInst.appendChild(document.createElement("BR"));
	outdivInst.appendChild(divInst);

		//Instruction Label
		var instLabel = document.createElement("DIV");
		instLabel.style.width = "160";
		instLabel.style.fontFamily = "Arial";
		instLabel.style.fontSize = "10px";
		instLabel.style.fontWeight = "bolder";
		instLabel.style.textAlign = "center";
		instLabel.innerHTML = "";
		instLabel.style.color = LABEL_COLOR;

	td2.appendChild(instLabel);
	td2.appendChild(document.createElement("BR"));
	td2.appendChild(document.createElement("BR"));
	//Data Register
	var divData = document.createElement("DIV");
	divData.style.backgroundColor = CELL_COLOR;
	divData.style.width = ((parseInt(CELL_HEIGHT) + 5) * 2) + "px";
	divData.id = "___data_div_container";
	var cent2 = td2.appendChild(document.createElement("CENTER"));
	var b3 = cent2.appendChild(document.createElement("SPAN"));
	b3.innerHTML = "אוגר נתון";
	b3.style.fontSize = "12px";
	b3.style.fontWeight = "bold";
	b3.style.color = LABEL_COLOR;
	cent2.appendChild(document.createElement("BR"));
	var outdivData = document.createElement("DIV");
	cent2.appendChild(outdivData);
	outdivData.style.backgroundColor = CELL_COLOR;
	outdivData.style.width = "90px";
	outdivData.style.height = "46px";
	outdivData.style.lineHeight = "10px";
	//outdivData.style.borderStyle = "Solid";
	//outdivData.style.borderWidth = "1px";
	//outdivData.style.borderColor = "#000000";
	outdivData.style.backgroundImage = "url(../Borders/register_all.gif)";
	outdivData.style.horizontalAlign = "center";
	outdivData.style.verticalAlign = "bottom";
	outdivData.appendChild(document.createElement("BR"));
	outdivData.appendChild(divData);
	td2.appendChild(document.createElement("BR"));
	td2.appendChild(document.createElement("BR"));
	td2.appendChild(document.createElement("BR"));
	//Program Counter
	var divPC = document.createElement("DIV");
	divPC.style.backgroundColor = CELL_COLOR;
	divPC.style.width = ((parseInt(CELL_HEIGHT) + 5) * 2) + "px";
	divPC.id = "___pc_div_container";
	var cent3 = td2.appendChild(document.createElement("CENTER"));
	var b4 = cent3.appendChild(document.createElement("SPAN"));
	b4.innerHTML = "מונה פקודות";
	b4.style.fontSize = "12px";
	b4.style.fontWeight = "bold";
	b4.style.color = LABEL_COLOR;
	cent3.appendChild(document.createElement("BR"));
	var outdivPC = document.createElement("DIV");
	cent3.appendChild(outdivPC);
	outdivPC.style.backgroundColor = CELL_COLOR;
	outdivPC.style.width = "90px";
	outdivPC.style.height = "46px";
	outdivPC.style.lineHeight = "10px";
	//outdivPC.style.borderStyle = "Solid";
	//outdivPC.style.borderWidth = "1px";
	//outdivPC.style.borderColor = "#000000";
	outdivPC.style.backgroundImage = "url(../Borders/register_all.gif)";
	outdivPC.style.horizontalAlign = "center";
	outdivPC.style.verticalAlign = "bottom";
	outdivPC.appendChild(document.createElement("BR"));
	outdivPC.appendChild(divPC);
//	td2.appendChild(document.createElement("BR"));

	divInst.style.borderWidth = divData.style.borderWidth = divPC.style.borderWidth = "1px";
	divInst.style.borderStyle = divData.style.borderStyle = divPC.style.borderStyle = "Solid";
	divInst.style.borderColor = divData.style.borderColor = divPC.style.borderColor = "#000000";

	var td3 = tr2.insertCell(2);
	//***END OF INNER TABLE

	table.style.borderWidth = "0";
	//table.style.borderColor = "#000000";
	//table.style.borderStyle = "Solid";
	table.cellSpacing = "0";
	td3.style.width="40px";
	td23.style.width="40px";

	var regInst = null, regData = null, regPC = null;

	this.isCPU = true;
	this.computer = null;

	/**
	 * Sets the computer parent object for this CPU
	 */
	this.setComputer = function(compChip) {
		this.computer = compChip;
	}

	var that = this;

	init();
	/**
	 * Private function to initialize the CPU
	 */
	function init() {
		that.enabled = true;
		regInst = new DataCell(true);
		regData = new DataCell(true);
		regPC = new DataCell(true);
		regInst.parent = regData.parent = regPC.parent = that;
		regInst.itemDiv.style.borderBottomStyle =
			regData.itemDiv.style.borderBottomStyle =
			regPC.itemDiv.style.borderBottomStyle =
			regInst.itemDiv.style.borderRightStyle =
			regData.itemDiv.style.borderRightStyle =
			regPC.itemDiv.style.borderRightStyle = "none";
		regPC.ondatachange = function() { if (that.computer) that.computer.highlightPCAddress(); }
		regInst.ondatachange = function() { if (that.computer) {that.computer.setExecute(); that.computer.decode(false); } }
		regInst.onenterpressed = function() {
			if (that.computer) {
				var oldAnimation = that.computer.getAnimation();
				if (oldAnimation == ANIMATE_NONE) that.computer.setAnimation(ANIMATE_FLOW);
				that.computer.decode(true, true);
				that.computer.setAnimation(oldAnimation);
			}
			regInst.itemDiv.onmousedown();
			regInst.textBox.select();
		}
		regInst.enabled = regData.enabled = regPC.enabled = true;
		regInst.setValue(0); regData.setValue(0); regPC.setValue(0);
		divInst.appendChild(regInst.itemDiv);
		regInst.parent = that;
		divData.appendChild(regData.itemDiv);
		regData.parent = that;
		divPC.appendChild(regPC.itemDiv);
		regPC.parent = that;
		instLabel.innerHTML = "";
	}

	container.appendChild(table);

	this.setInstructionLabel = function(text) {
		instLabel.innerHTML = text;
	}

	//Implementation of interface IDataSet - necessary because control has DataCell children
	this.dataSetType = "CPUChip";

	/**
	 * Returns the DataCell at the specified index
	 */
	this.getCellAt = function(index) {
		switch(index) {
			case 0:
				return regInst;
			case 1:
				return regData;
			case 2:
				return regPC;
			default:
				return null;
		}
	}

	/**
	 * Returns the current DataCell at cursor's position
	 */
	this.getCurrent = function() {
		return null;
	}

	/**
	 * Increments the cursor to the next cell
	 */
	this.goNext = function() {
		return false;
	}

	/**
	 * Decrements the cursor to the previous cell
	 */
	this.goBack = function() {
		return false;
	}

	/**
	 * Clears a given cell in the list
	 */
	this.clearCell = function(dataCell) {
		dataCell.setValue(000);
	}

	this.clear = function() {
		regInst.setValue(0);
		regData.setValue(0);
		regPC.setValue(0);
	}

	/**
	 * Returns an array representation of this DataList
	*/
	this.toArray = function() {
		return null;
	}

	/**
	 * Returns Program Counter value
	 */
	this.getPCValue = function() {
		return that.getCellAt(2).getValue();
	}

	/**
	 * Advances the Program Counter by 1
	 */
	this.advancePC = function() {
		that.getCellAt(2).setValue(that.getCellAt(2).getValue() + 1);
	}

	/**
	 * Enables/disables CPU Chip and controls in it
	 */
	this.enable = function(value) {
		regInst.enabled = regData.enabled = regPC.enabled = value;
	}

	this.showValues = function() {
		for (var i = 0; i < 2; i++)
			that.getCellAt(i).showValue();
	}
}