PSP (OSLIB) Timer

////****   timer.h ****////

#ifndef _Timer_H_
#define _Timer_H_

#include <oslib/oslib.h>

class Timer{
    public:
        //Constructor
            Timer(void);
        //Variables
            bool timer_running;
            //Time variables
                clock_t lastTime;
                clock_t pauseTime;
        //Methods
            void start();
            void stop();
            void reset();
            bool running();
            int time();
};

#endif

////****   timer.c ****////

#include "timer.h"

    //Constructor
        Timer::Timer(void){
            timer_running = false;
            reset();
        }

    //Methods
    void Timer::start(){
        if(!timer_running){
            timer_running = true;
            lastTime = lastTime + (sceKernelLibcClock()-pauseTime);
        }
    }

    void Timer::stop(){
        if(timer_running){
            timer_running = false;
            pauseTime = sceKernelLibcClock();
        }
    }

    void Timer::reset(){
        lastTime = sceKernelLibcClock();
        pauseTime = lastTime;
    }

    bool Timer::running(){
        return timer_running;
    }

    int Timer::time(){
        if(timer_running){
            return (int)((sceKernelLibcClock()-lastTime)/1000);
        }else{
            return (int)((pauseTime-lastTime)/1000);
        }
    }