basic screen display

2 files changed, 47 insertions, 2 deletions

diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..577bab9
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,4 @@
+pub struct Chip8 {
+    mem : [u32],
+
+}
diff --git a/src/main.rs b/src/main.rs
index e7a11a9..531a4ce 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,44 @@
-fn main() {
-    println!("Hello, world!");
+extern crate sdl2;
+
+use sdl2::pixels::Color;
+use sdl2::event::Event;
+use sdl2::keyboard::Keycode;
+use std::time::Duration;
+
+static WIDTH : u32 = 32;
+static HEIGHT : u32 = 64;
+static SCALE : u32 = 10;
+
+
+pub fn main() {
+    let sdl_context = sdl2::init().unwrap();
+    let video_subsystem = sdl_context.video().unwrap();
+
+    let window = video_subsystem.window("CHIP-8", WIDTH * SCALE, HEIGHT * SCALE)
+        .position_centered()
+        .build()
+        .unwrap();
+
+    let mut canvas = window.into_canvas().build().unwrap();
+
+    canvas.set_draw_color(Color::RGB(255, 255, 255));
+    canvas.clear();
+    canvas.present();
+    let mut event_pump = sdl_context.event_pump().unwrap();
+    'running: loop {
+        for event in event_pump.poll_iter() {
+            match event {
+                Event::Quit {..} |
+                Event::KeyDown { keycode: Some(Keycode::Escape), .. } => {
+                    break 'running
+                },
+                _ => {}
+            }
+        }
+        // The rest of the game loop goes here...
+
+        canvas.clear();
+        canvas.present();
+        std::thread::sleep(Duration::new(0, 1_000_000_000u32 / 60));
+    }
 }