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use std::env;
use std::fs;
use std::io;
use std::io::prelude::*;
use std::sync::{Arc, Condvar, Mutex};
use std::thread::sleep;
use std::{thread, time};
mod core;
mod rom;
use self::core::Core;
fn core_worker(mut core: Core, should_stop: &Mutex<bool>, cvar: &Condvar) {
loop {
while !(*should_stop.lock().unwrap()) {
println!("{}", core.op());
core.step();
sleep(time::Duration::from_millis(1000));
}
while *should_stop.lock().unwrap() {
let _ = cvar.wait(should_stop.lock().unwrap()).unwrap();
}
}
}
fn cli_controller(asyncpair: Arc<(Mutex<bool>, Condvar)>) {
let &(ref should_stop, ref cvar) = &*asyncpair;
let stdin = io::stdin();
for line in stdin.lock().lines() {
let line = line.unwrap();
match line.as_ref() {
"stop" => {
println!("stop");
*should_stop.lock().unwrap() = true;
}
"start" => {
println!("start");
*should_stop.lock().unwrap() = false;
cvar.notify_one();
}
_ => (),
}
}
}
fn main() {
let args: Vec<_> = env::args().collect();
if args.len() < 2 {
println!("Please, specify ihex file");
return;
}
let data = fs::read_to_string(&args[1]).unwrap_or_else(|_| panic!("Unable to read file {}", &args[1]));
let asyncpair = Arc::new((Mutex::new(false), Condvar::new()));
let asyncpair2 = asyncpair.clone();
let core = match Core::new_with_rom_from_hex(data) {
Ok(value) => value,
Err(err_string) => {
println!("{}", err_string);
return;
}
};
thread::spawn(move || {
let (ref should_stop, ref condvar) = *asyncpair2;
core_worker(core, should_stop, condvar);
});
cli_controller(asyncpair);
}
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