#include "../headers/cpu.h"
#include <iostream>

void cpu::start() {
    if (running) return;        
    running = true;
    nitUre = std::thread(&cpu::zankaUre, this);
}

void cpu::stop() {
    running = false;
    if (nitUre.joinable())
        nitUre.join();
}

bool cpu::isRunning() {
    return running.load();
}

int cpu::getSpeed() {
    return hitrostKhz;
}

void cpu::setSpeed(int speedKhz) {
    if (speedKhz < 1) speedKhz = 1;
    hitrostKhz = speedKhz;
}

void cpu::zankaUre() {
    while (running) {
        for (int i = 0; i < operacijeNaTick; i++) {
            bool ok = cpu::m->execute();
            if (!ok) { 
                running = false;
                //std::cout << i << std::endl;
                break;
            }
        }

        if (!running) break;

        double ticksPerSecond = (hitrostKhz * 1000.0) / operacijeNaTick;
        double sleepTimeSec = 1.0 / ticksPerSecond;
        std::this_thread::sleep_for(std::chrono::duration<double>(sleepTimeSec));
    }
}


void cpu::step() {
    cpu::m->execute();
}