<!-- Dictionary files registration -->

/**
 * Memory Chip Class
 */
 
/**
 * Memory Chip Constructor
 */
function MemoryChip(container) {
	//Build 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);
	var ttl = document.createElement("DIV");
	ttl.innerHTML = "זיכרון ראשי";
	ttl.style.color = LABEL_COLOR;
	ttl.style.fontWeight = "bold";
	ttl.style.width = "100%";
	ttl.style.textAlign = "center";
	td.appendChild(ttl);
	//td.appendChild(document.createElement("BR"));
	var innerTable = document.createElement("TABLE");
	var row = innerTable.insertRow(0);
	var cell0 = row.insertCell(0);
	var spacer = row.insertCell(1);
	var cell1 = row.insertCell(2);	
	td.appendChild(innerTable);
	spacer.style.width = "20px";
	
	//00 - 49
	var lowDiv = document.createElement("DIV");
	cell0.appendChild(lowDiv);
	
	//50 - 99
	var highDiv = document.createElement("DIV");
	cell1.appendChild(highDiv);
	
	table.style.borderWidth = "0";
	//table.style.borderColor = "#000000";
	//table.style.borderStyle = "Solid";
	table.cellSpacing = "0";
	
	this.left = table.offsetLeft;
	this.top = table.offsetTop;

	container.appendChild(table);

	//Init DataArrays
	var lowRAM = new DataArray(50, LIST_WIDTH + 35, 369, 0);
	appendDataArray(lowDiv, lowRAM);

	var highRAM = new DataArray(50, LIST_WIDTH + 35, 369, 50);
	appendDataArray(highDiv, highRAM);
	
	/*
	//Deprecated (not needed since there's SET command
	//Set cell 98 to zero and cell 99 to 1 and disable them.
	highRAM.getCellAt(98).enabled = false;
	highRAM.getCellAt(99).setValue(1);
	highRAM.getCellAt(99).enabled = false;
	*/
	highRAM.getCellAt(99).highlight(true);
	highRAM.getCellAt(99).highlight(false);
	
	var that = this;
	
	/**
	 * Returns the DataCell at a given address
	 */
	this.getMemoryCell = function(address) {
		if (address < 0 || address > 99) return 0;
		
		var memoryUnit;
		if (address >= 0 && address <= 49)
			memoryUnit = lowRAM;
		else
			memoryUnit = highRAM;
		
		return memoryUnit.getCellAt(address);
	}
	
	/**
	 * Returns the value stored in the given memory address
	 */
	this.load = function(address) {
		return that.getMemoryCell(address).getValue();
	}

	/**
	 * Stores a given value at the specified memory address
	 */
	this.store = function(address, value) {
		that.getMemoryCell(address).setValue(value);
	}
	
	/**
	 * Resets memory to its initial state
	 */
	this.reset = function() {
		lowDiv.removeChild(lowRAM.frameDiv);
		highDiv.removeChild(highRAM.frameDiv);

		lowRAM = new DataArray(50, LIST_WIDTH + 35, 369, 0);
		appendDataArray(lowDiv, lowRAM);

		highRAM = new DataArray(50, LIST_WIDTH + 35, 369, 50);
		appendDataArray(highDiv, highRAM);
		
		that.getMemoryCell(99).highlight(false);
	}
	
	/**
	 * Clears high memory
	 */
	this.clearHighMemory = function() {
		highDiv.removeChild(highRAM.frameDiv);

		highRAM = new DataArray(50, LIST_WIDTH + 35, 369, 50);
		appendDataArray(highDiv, highRAM);
		
		that.getMemoryCell(99).highlight(false);
	}

	/**
	 * Enables/disables the chip
	 */
	this.enable = function(value) {
		lowRAM.enabled = value;
		highRAM.enabled = value;
	}
	
	this.showValues = function() {
		lowRAM.showValues();
		highRAM.showValues();
	}
}