rustedbytes-bytepusher 0.2.1

use clap::Parser;
use minifb::{Scale, Window, WindowOptions};
use rodio::{OutputStream, Sink};

use std::cell::RefCell;
use std::rc::Rc;

mod audio;
mod cpu;
mod keyboard;
mod memory;
mod screen;
mod vm;

use crate::vm::SCREEN_HEIGHT;
use crate::vm::SCREEN_WIDTH;

/// Command-line arguments for the BytePusher VM
#[derive(Parser, Debug)]
#[command(author, version, about, long_about = None)]
struct Args {
    /// File path of ROM BytePusher
    rom: String,
    /// Window scaling factor (1, 2)
    #[arg(long, default_value_t = 1)]
    scale: u32,
}

/// Main function to run the BytePusher VM
fn main() -> Result<(), Box<dyn std::error::Error>> {
    let args = Args::parse();

    let scale = match args.scale {
        1 => Scale::X1,
        2 => Scale::X2,
        _ => {
            eprintln!(
                "Invalid scale value: {}. Allowed values: 1, 2.",
                args.scale
            );
            std::process::exit(1);
        }
    };

    let window = Rc::new(RefCell::new(Window::new(
        &format!("RustedBytes - BytePusherVM"),
        SCREEN_WIDTH,
        SCREEN_HEIGHT,
        WindowOptions {
            scale,
            ..WindowOptions::default()
        },
    )?));

    let (_stream, stream_handle) = OutputStream::try_default()?;
    let sink = Rc::new(RefCell::new(Sink::try_new(&stream_handle)?));

    let mut vm = vm::VirtualMachine::new(Rc::clone(&window), Rc::clone(&sink));

    vm.load_rom(&args.rom)?;
    vm.run()?;

    Ok(())
}