Implemented screen for 640x480x16

src/writers/graphics_640x480x16.rs

@@ -1,4 +1,4 @@
-use super::GraphicsWriter;
+use super::{GraphicsWriter, Screen};
 use crate::{
     colors::{Color16, DEFAULT_PALETTE},
     drawing::{Bresenham, Point},
@@ -10,6 +10,7 @@ use spinning_top::SpinlockGuard;
 
 const WIDTH: usize = 640;
 const HEIGHT: usize = 480;
+const SIZE: usize = WIDTH * HEIGHT;
 const ALL_PLANES_SCREEN_SIZE: usize = (WIDTH * HEIGHT) / 8;
 const WIDTH_IN_BYTES: usize = WIDTH / 8;
 
@@ -38,6 +39,18 @@ const WIDTH_IN_BYTES: usize = WIDTH / 8;
 #[derive(Default)]
 pub struct Graphics640x480x16;
 
+impl Screen for Graphics640x480x16 {
+    fn get_width(&self) -> usize {
+        WIDTH
+    }
+    fn get_height(&self) -> usize {
+        HEIGHT
+    }
+    fn get_size(&self) -> usize {
+        SIZE
+    }
+}
+
 impl GraphicsWriter<Color16> for Graphics640x480x16 {
     fn clear_screen(&self, color: Color16) {
         self.set_write_mode_2();