new render function

src/main.c

@@ -1,5 +1,33 @@
 #include <genesis.h>
 
+Line l;
+
+void render(){
+	//Clear the bitmap
+	BMP_clear();
+
+	//Draw the line defined above (in the background, hidden)
+	BMP_drawLine(&l);
+
+	//Flip the data to the screen - i.e. actually draw the complete image on screen
+	BMP_flip(1);
+
+	//Increment the destination y coordinate
+	l.pt2.y = l.pt2.y + 2;
+
+	//Reset the destination y coordinate if it hits 160
+	if (l.pt2.y == 160)
+	{
+	l.pt2.y = 0;
+	}
+
+}
+
+void update(){
+
+
+}
+
 int main()
 {
 
@@ -14,7 +42,6 @@ int main()
   VDP_setBackgroundColor(13);
 
   //A line needs a source coordinate x,y and a destination coordinate x,y along with a pallete colour.
-  Line l;
   l.pt1.x = 0;
   l.pt1.y = 0;
   l.pt2.x = 255;
@@ -24,23 +51,7 @@ int main()
 
   while(TRUE)
   {
-      //Clear the bitmap
-      BMP_clear();
-
-      //Draw the line defined above (in the background, hidden)
-      BMP_drawLine(&l);
-
-      //Flip the data to the screen - i.e. actually draw the complete image on screen
-      BMP_flip(1);
-
-      //Increment the destination y coordinate
-      l.pt2.y = l.pt2.y + 2;
-
-      //Reset the destination y coordinate if it hits 160
-      if (l.pt2.y == 160)
-      {
-        l.pt2.y = 0;
-      }
+   	render();
   }
   return 0;
 }