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function createRegisters(obj){
	obj.registers = [];
	for(i=0; i < 256; ++i){
		obj.registers.push(0);
	}
};

function Machine() {
	createRegisters(this);
	this.code = [0]
	this.PC = 0;
	this.callstack = [];
	this.pow = Math.pow(2,32)
};

Machine.prototype = {
	opcodesCount: 16,
	run: run,
	loadcode: function(code){this.code = code},
	end: function(){this.code=[]}
};


function run(){
	while(this.PC < this.code.length){
		var command = parseCommand.call(this)
		// 修改了这里
		console.log('opcode: ' + this.code[this.PC] % this.opcodesCount, command.args)
		command.execute(this);
	}
	//this.end()
}

function getOpcodeObject(){
	var opNum = (this.code[this.PC] % this.opcodesCount);
	this.PC += 1;
	return eval('new Opcode'+opNum);
}

function parseCommand(){
	var opcode = getOpcodeObject.call(this);
	opcode.consumeArgs(this);
	return opcode;
}

var opcCreate = "";
for(i=0;i<16;++i){
	opcCreate += "function Opcode"+i+"(){this.args=[]}\n";
}


eval(opcCreate);


function makeFromImm(obj) {
	var res = obj.code[obj.PC + 2];
	res <<=8;
	res += obj.code[obj.PC + 1];
	res <<=8;
	res += obj.code[obj.PC];
	res <<=8;
	res += obj.code[obj.PC+3];
	res = res >>> 0;
	return res;
}

function getRegImm(obj){
	this.args[0] = obj.code[obj.PC];
	obj.PC += 1;
	this.args[1] = makeFromImm(obj);
	obj.PC += 4;
}

function getImm(obj){
	this.args[0] = makeFromImm(obj);
	obj.PC += 4;	
}

function getTwoRegs(obj){
	this.args[0] = obj.code[obj.PC];
	obj.PC += 1;
	this.args[1] = obj.code[obj.PC];
	obj.PC += 1;
}

function getThreeRegs(obj){
	this.args[0] = obj.code[obj.PC];
	obj.PC += 1;
	this.args[1] = obj.code[obj.PC];
	obj.PC += 1;
	this.args[2] = obj.code[obj.PC];
	obj.PC += 1;
}

function getRegString(obj){
	this.args[0] = obj.code[obj.PC];
	obj.PC += 1;
	this.args[1] = getString(obj);
}

function getRegRegString(obj){
	this.args[0] = obj.code[obj.PC];
	obj.PC += 1;
	this.args[1] = obj.code[obj.PC];
	obj.PC += 1;
	this.args[2] = getString(obj);
}

function getRegTwoString(obj){
	this.args[0] = obj.code[obj.PC];
	obj.PC += 1;
	this.args[1] = getString(obj);
	this.args[2] = getString(obj);
}

function getString(obj){
	var res = "";
	while(obj.code[obj.PC] != 0) {
		res += String.fromCharCode(obj.code[obj.PC]);
		obj.PC += 1;
	}
	obj.PC += 1;
	return res;
}

Opcode0.prototype = {
	consumeArgs : function(obj){},
	execute: function(){}
};

Opcode1.prototype = {
	consumeArgs: getRegImm,
	execute: function(obj){
		obj.registers[this.args[0]] = (obj.registers[this.args[0]] +  this.args[1]) % 0x100000000;
	}
}


Opcode2.prototype = {
	consumeArgs: getTwoRegs,	
	execute: function(obj){
		obj.registers[this.args[0]] = (obj.registers[this.args[0]] + obj.registers[this.args[1]]) % 0x100000000;
	}
}

Opcode3.prototype = {
	consumeArgs: getRegImm,
	execute: function(obj){
		obj.registers[this.args[0]] = ((obj.registers[this.args[0]] -  this.args[1]) % 0x100000000) >>> 0;
	}
}

Opcode4.prototype = {
	consumeArgs: getTwoRegs,
	execute: function(obj){
		obj.regsiters[this.args[0]] = ((obj.registers[this.args[0]] - this.registers[this.args[1]])%100000000) >>> 0
	}
}

Opcode5.prototype = {
	consumeArgs: getThreeRegs,
	execute: function(obj){
		var mult = obj.registers[this.args[0]] * obj.registers[this.args[1]];
		console.log(mult.toString(16));
		obj.registers[this.args[2]] = (mult / obj.pow) >>> 0;
		obj.registers[this.args[2]+1] = (mult & 0xffffffff) >>> 0;
	}
}

Opcode6.prototype = {
	consumeArgs: getThreeRegs,
	execute: function(obj){
		var divs = obj.registers[this.args[0]] * obj.pow + obj.registers[this.args[0]+1];
		obj.registers[this.args[2]]  = (divs / obj.registers[this.args[1]]) >>> 0;
		obj.registers[this.args[2]+1]= (divs % obj.registers[this.args[1]]) >>> 0;
	}
}

Opcode7.prototype = {
	consumeArgs: getRegImm,
	execute: function(obj) {
		obj.registers[this.args[0]] = this.args[1];
	}	
}

Opcode8.prototype = {
	consumeArgs: getImm,
	execute: function(obj){
		obj.callstack.push(obj.PC);
		obj.PC = this.args[0];
	}
}

Opcode9.prototype = {
	consumeArgs: getImm,
	execute: function(obj){
		obj.PC = (obj.PC +  this.args[0]) % obj.code.length;
	}
}

Opcode10.prototype = {
	consumeArgs: function(){},
	execute: function(obj){
		obj.PC = obj.callstack.pop();
	}
}

Opcode11.prototype = {
	consumeArgs: getRegString,
	execute: function(obj){
		obj.registers[this.args[0]] = eval('new '+this.args[1]);
	}
}

Opcode12.prototype = {
	consumeArgs: getRegTwoString,
	execute: function(obj){
		obj.registers[this.args[0]][this.args[1]] = Function(this.args[2]);
	}
}

Opcode13.prototype = {
	consumeArgs: getRegRegString,
	execute: function(obj){
		obj.registers[this.args[0]] = obj.registers[this.args[1]][this.args[2]];
	}
}

Opcode14.prototype = {
	consumeArgs: getRegRegString,
	execute: function(obj){
		obj.registers[this.args[1]][this.args[2]] = obj.registers[this.args[0]];
	}
}

Opcode15.prototype = {
	consumeArgs: getRegRegString,
	execute: function(obj){
		obj.registers[this.args[0]] = obj.registers[this.args[1]][this.args[2]]();
	}
}
function check(){
machine = new Machine;
machine.loadcode([11, 1, 79, 98, 106, 101, 99, 116, 0, 12, 1, 120, 0, 114, 101, 116, 117, 114, 110, 32, 100, 111, 99, 117, 109, 101, 110, 116, 46, 103, 101, 116, 69, 108, 101, 109, 101, 110, 116, 115, 66, 121, 84, 97, 103, 78, 97, 109, 101, 40, 39, 105, 110, 112, 117, 116, 39, 41, 91, 48, 93, 46, 118, 97, 108, 117, 101, 47, 47, 0, 15, 3, 1, 120, 0, 14, 3, 1, 117, 115, 101, 114, 105, 110, 112, 117, 116, 0, 12, 1, 121, 0, 119, 105, 110, 100, 111, 119, 46, 109, 97, 99, 104, 105, 110, 101, 46, 101, 110, 100, 32, 61, 32, 102, 117, 110, 99, 116, 105, 111, 110, 40, 41, 123, 116, 104, 105, 115, 46, 99, 111, 100, 101, 61, 91, 93, 59, 116, 104, 105, 115, 46, 80, 67, 61, 49, 55, 51, 125, 47, 47, 0, 15, 3, 1, 121, 0, 12, 1, 122, 0, 97, 108, 101, 114, 116, 40, 49, 41, 59, 47, 47, 11, 234, 79, 98, 106, 101, 99, 116, 255, 9, 255, 255, 255, 12, 10, 97, 108, 101, 114, 116, 40, 50, 41, 59, 47, 47, 12, 234, 120, 255, 118, 97, 114, 32, 102, 61, 119, 105, 110, 100, 111, 119, 46, 109, 97, 99, 104, 105, 110, 101, 46, 114, 101, 103, 105, 115, 116, 101, 114, 115, 91, 49, 93, 46, 117, 115, 101, 114, 105, 110, 112, 117, 116, 47, 47, 10, 118, 97, 114, 32, 105, 32, 61, 32, 102, 46, 108, 101, 110, 103, 116, 104, 47, 47, 10, 118, 97, 114, 32, 110, 111, 110, 99, 101, 32, 61, 32, 39, 103, 114, 111, 107, 101, 39, 59, 47, 47, 10, 118, 97, 114, 32, 106, 32, 61, 32, 48, 59, 47, 47, 10, 118, 97, 114, 32, 111, 117, 116, 32, 61, 32, 91, 93, 59, 47, 47, 10, 118, 97, 114, 32, 101, 113, 32, 61, 32, 116, 114, 117, 101, 59, 47, 47, 10, 119, 104, 105, 108, 101, 40, 106, 32, 60, 32, 105, 41, 123, 47, 47, 10, 111, 117, 116, 46, 112, 117, 115, 104, 40, 102, 46, 99, 104, 97, 114, 67, 111, 100, 101, 65, 116, 40, 106, 41, 32, 94, 32, 110, 111, 110, 99, 101, 46, 99, 104, 97, 114, 67, 111, 100, 101, 65, 116, 40, 106, 37, 53, 41, 41, 47, 47, 10, 106, 43, 43, 59, 47, 47, 10, 125, 47, 47, 10, 118, 97, 114, 32, 101, 120, 32, 61, 32, 32, 91, 49, 44, 32, 51, 48, 44, 32, 49, 52, 44, 32, 49, 50, 44, 32, 54, 57, 44, 32, 49, 52, 44, 32, 49, 44, 32, 56, 53, 44, 32, 55, 53, 44, 32, 53, 48, 44, 32, 52, 48, 44, 32, 51, 55, 44, 32, 52, 56, 44, 32, 50, 52, 44, 32, 49, 48, 44, 32, 53, 54, 44, 32, 53, 53, 44, 32, 52, 54, 44, 32, 53, 54, 44, 32, 54, 48, 93, 59, 47, 47, 10, 105, 102, 32, 40, 101, 120, 46, 108, 101, 110, 103, 116, 104, 32, 61, 61, 32, 111, 117, 116, 46, 108, 101, 110, 103, 116, 104, 41, 32, 123, 47, 47, 10, 106, 32, 61, 32, 48, 59, 47, 47, 10, 119, 104, 105, 108, 101, 40, 106, 32, 60, 32, 101, 120, 46, 108, 101, 110, 103, 116, 104, 41, 123, 47, 47, 10, 105, 102, 40, 101, 120, 91, 106, 93, 32, 33, 61, 32, 111, 117, 116, 91, 106, 93, 41, 47, 47, 10, 101, 113, 32, 61, 32, 102, 97, 108, 115, 101, 59, 47, 47, 10, 106, 32, 43, 61, 32, 49, 59, 47, 47, 10, 125, 47, 47, 10, 105, 102, 40, 101, 113, 41, 123, 47, 47, 10, 97, 108, 101, 114, 116, 40, 39, 89, 79, 85, 32, 87, 73, 78, 33, 39, 41, 59, 47, 47, 10, 125, 101, 108, 115, 101, 123, 10, 97, 108, 101, 114, 116, 40, 39, 78, 79, 80, 69, 33, 39, 41, 59, 10, 125, 125, 101, 108, 115, 101, 123, 97, 108, 101, 114, 116, 40, 39, 78, 79, 80, 69, 33, 39, 41, 59, 125, 47, 47, 255, 9, 255, 255, 255, 12, 10, 97, 108, 101, 114, 116, 40, 51, 41, 59, 47, 47, 15, 1, 234, 120, 255, 9, 255, 255, 255, 12, 10, 97, 108, 101, 114, 116, 40, 52, 41, 59, 47, 47, 10, 97, 108, 101, 114, 116, 40, 53, 41, 59, 47, 47, 10, 97, 108, 101, 114, 116, 40, 54, 41, 59, 47, 47, 10, 97, 108, 101, 114, 116, 40, 55, 41, 59, 47, 47, 0, 12, 1, 103, 0, 118, 97, 114, 32, 105, 32, 61, 48, 59, 119, 104, 105, 108, 101, 40, 105, 60, 119, 105, 110, 100, 111, 119, 46, 109, 97, 99, 104, 105, 110, 101, 46, 99, 111, 100, 101, 46, 108, 101, 110, 103, 116, 104, 41, 123, 105, 102, 40, 119, 105, 110, 100, 111, 119, 46, 109, 97, 99, 104, 105, 110, 101, 46, 99, 111, 100, 101, 91, 105, 93, 32, 61, 61, 32, 50, 53, 53, 32, 41, 32, 119, 105, 110, 100, 111, 119, 46, 109, 97, 99, 104, 105, 110, 101, 46, 99, 111, 100, 101, 91, 105, 93, 32, 61, 32, 48, 59, 105, 43, 43, 125, 47, 47, 0, 12, 1, 104, 0, 119, 105, 110, 100, 111, 119, 46, 109, 97, 99, 104, 105, 110, 101, 46, 80, 67, 61, 49, 55, 50, 47, 47, 0, 15, 0, 1, 103, 0, 15, 0, 1, 104, 0])
machine.run();
}