/**
 * @module ccpu
 * @author Guenther Neuwirth (0626638), Manuel Mausz (0728348)
 * @brief  class for processing a program
 * @date   11.05.2009
 */

#include <fstream>
#include <boost/tokenizer.hpp>
#include <boost/algorithm/string.hpp>

#include "ccpu.h"
#include "cinstruction.h"
#include "cprogram.h"
#include "cmem.h"


using namespace std;
using namespace boost;

CCPU::CCPU(const std::string& progfile, const std::string& memfile)
      : m_program(progfile), m_memory(memfile)
{
	f_zero = false;
	f_sign = false;
	m_instrHandler["inc"] = new CInc();
	m_instrHandler["dec"] = new CDec();
	m_instrHandler["add"] = new CAdd();
	m_instrHandler["sub"] = new CSub();
	m_instrHandler["mul"] = new CMul();
	m_instrHandler["div"] = new CDiv();
	m_instrHandler["load"] = new CLoad();
	m_instrHandler["store"] = new CStore();
	m_instrHandler["test"] = new CTest(f_zero, f_sign);
	m_instrHandler["label"] = new CLabel();
	m_instrHandler["jumpa"] = new CJumpa(m_program.getJumpAddrs());
	m_instrHandler["jumpz"] = new CJumpz(f_zero, f_sign, m_program.getJumpAddrs());
	m_instrHandler["jumps"] = new CJumps(f_zero, f_sign, m_program.getJumpAddrs());
	m_instrHandler["write"] = new CWrite();
}

CCPU::~CCPU()
{
	std::map<std::string, CInstruction *>::iterator it;
	for (it = m_instrHandler.begin(); it != m_instrHandler.end(); it++)
		delete (*it).second ;
}
void CCPU::proceed()
{
	
	while (m_memory.getRegister("R0") < m_program.getMaxProgramCount())
	{
		 std::vector<std::string>& i_list = m_program.getInstruction(
		 																																	m_memory.getRegister("R0")
		 																																	);
		
	
														
	m_instrHandler[i_list[0]]->exec(m_memory, i_list);
/*	for(int i = 0; i < (int)i_list.size(); i++)
		cout << i_list[i] << " ";
	if (i_list[0] == "load")
	{
		
		cout << m_memory.getRegister(i_list[1])<<" "<<m_memory.getRegister("R255")<<endl;
		break;
		}*/
		m_memory.getRegister("R0")++;		
//		cout << m_memory.getRegister("R0")<<endl;
	//	cout<<endl;	
	}
	
}