// let's try to write our own, awesome emulator.
// gameboy (color?)

use std::path::Path;
use std::io::Read;
use std::fs;
use std::env;

mod cpu;
mod display;
mod interconnect;
mod sound;
mod timer;
mod serial;

fn main() {
    let bios_path = env::args().nth(1).unwrap();
    let rom_path = env::args().nth(2).unwrap();
    let bios = read_rom(&bios_path);
    let rom = read_rom(&rom_path);

    // Now we need to execute commands
    let interconnect = interconnect::Interconnect::new(bios, rom);
    let mut cpu = cpu::CPU::new(interconnect);

    loop {
        cpu.run_instruction();
    }
}

fn read_rom<P: AsRef<Path>>(rom_path: P) -> Box<[u8]> {
    let mut file = fs::File::open(rom_path).unwrap();
    let mut buf = Vec::new();
    file.read_to_end(&mut buf).expect("Reading file failed");
    buf.into_boxed_slice()
}