Files
vulcan/src/main.rs
T
2022-02-22 21:46:26 -06:00

85 lines
2.3 KiB
Rust

mod bus;
mod cpu;
mod display;
mod memory;
mod opcodes;
mod word;
use winit::{
dpi::LogicalSize,
event::{Event, WindowEvent},
event_loop::{ControlFlow, EventLoop},
window::WindowBuilder,
};
use crate::cpu::CPU;
use crate::memory::{Memory, PeekPoke};
use crate::word::Word;
use pixels::{Pixels, SurfaceTexture};
use std::time::Instant;
use winit::window::Window;
fn main() {
let event_loop = EventLoop::new();
let window = {
let size = LogicalSize::new(640, 480);
WindowBuilder::new()
.with_title("Vulcan")
.with_inner_size(size)
.with_min_inner_size(size)
.build(&event_loop)
.unwrap()
};
let pixels = {
let surface_texture = SurfaceTexture::new(640, 480, &window);
Pixels::new(640, 480, surface_texture).unwrap()
};
let rng = rand::thread_rng();
let memory = Memory::from(rng);
let mut cpu = CPU::new(memory);
display::reset(&mut cpu);
for n in 0..128 {
cpu.poke(Word::from(0x10000 + 128 * n), 0b11100000);
cpu.poke(Word::from(0x10000 + n), 0xff);
cpu.poke(Word::from(0x10000 + 128 * n + 127), 0b00000011);
cpu.poke(Word::from(0x10000 + 128 * 127 + n), 0b00011100);
}
window_loop(event_loop, window, pixels, cpu)
}
fn window_loop(event_loop: EventLoop<()>, window: Window, mut pixels: Pixels, mut cpu: CPU) -> ! {
event_loop.run(move |event, _, control_flow| {
*control_flow = ControlFlow::Poll;
match event {
Event::WindowEvent {
event: WindowEvent::CloseRequested,
window_id,
} if window_id == window.id() => *control_flow = ControlFlow::Exit,
Event::MainEventsCleared => {
let start = Instant::now();
draw(pixels.get_frame(), &mut cpu);
let draw_time = Instant::now() - start;
pixels.render().expect("Problem displaying framebuffer");
let total_time = Instant::now() - start;
println!(
"Tick took {} total, {} to draw",
total_time.as_micros(),
draw_time.as_micros()
);
}
_ => {}
}
})
}
fn draw(frame: &mut [u8], cpu: &mut CPU) {
assert_eq!(frame.len(), 640 * 480 * 4);
display::draw(cpu, frame);
}