Rearranged into a cargo workspace

2022-03-06 17:57:20 -06:00
parent 81b805f338
commit 90f2177e5b
16 changed files with 1511 additions and 59 deletions
@@ -0,0 +1,87 @@
+mod display;
+
+use winit::{
+    dpi::LogicalSize,
+    event::{Event, WindowEvent},
+    event_loop::{ControlFlow, EventLoop},
+    window::WindowBuilder,
+};
+
+use vcore::cpu::CPU;
+use vcore::memory::{Memory, PeekPoke};
+use vcore::word::Word;
+use pixels::{Pixels, SurfaceTexture};
+use std::time::{Instant, Duration};
+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);
+    // }
+    cpu.poke_slice(Word::from(0x400), include_bytes!("gfx_test.rom"));
+    cpu.start();
+    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::WindowEvent {
+                event: WindowEvent::Resized(newSize),
+                window_id
+            } if window_id == window.id() => {
+                pixels.resize_surface(newSize.width, newSize.height);
+            }
+
+            Event::MainEventsCleared => {
+                let start = Instant::now();
+                draw(pixels.get_frame(), &mut cpu);
+                pixels.render().expect("Problem displaying framebuffer");
+                while Instant::now() < start + Duration::from_millis(25) {
+                    for _ in 1..1000 {
+                        cpu.tick()
+                    }
+                }
+            }
+            _ => {}
+        }
+    })
+}
+
+fn draw(frame: &mut [u8], cpu: &mut CPU) {
+    assert_eq!(frame.len(), 640 * 480 * 4);
+
+    display::draw(cpu, frame);
+}