Basic hello world, running the CPU

src/main.rs

@@ -16,7 +16,7 @@ use crate::cpu::CPU;
 use crate::memory::{Memory, PeekPoke};
 use crate::word::Word;
 use pixels::{Pixels, SurfaceTexture};
-use std::time::Instant;
+use std::time::{Instant, Duration};
 use winit::window::Window;
 
 fn main() {
@@ -42,12 +42,14 @@ fn main() {
     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);
-    }
+    // 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)
 }
 
@@ -60,17 +62,23 @@ fn window_loop(event_loop: EventLoop<()>, window: Window, mut pixels: Pixels, mu
                 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);
-                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()
-                );
+                while Instant::now() < start + Duration::from_millis(25) {
+                    for _ in 1..1000 {
+                        cpu.tick()
+                    }
+                }
             }
             _ => {}
         }