Added extra documentation to template code

examples/template/source/main.c

@@ -10,20 +10,28 @@
 #include <wiiuse/wpad.h>
 
 int main() {
-    u32 WPADDown;
-
+    // Initialise the Graphics & Video subsystem
     GRRLIB_Init();
+
+    // Initialise the Wiimotes
     WPAD_Init();
 
+    // Loop forever
     while(1) {
-        WPAD_ScanPads();
-        WPADDown = WPAD_ButtonsDown(0);
 
-        GRRLIB_Render();
-        if(WPADDown & WPAD_BUTTON_HOME) {
-            break;
-        }
+        WPAD_ScanPads();  // Scan the wiimotes
+
+        // If [HOME] was pressed on the first Wiimote, break out of the loop
+        if (WPAD_ButtonsDown(0) & WPAD_BUTTON_HOME)  break ;
+
+        // ---------------------------------------------------------------------
+        // Place your drawing code here
+        // ---------------------------------------------------------------------
+
+        GRRLIB_Render();  // Render the frame buffer to the TV
     }
+
     GRRLIB_Exit(); // Be a good boy, clear the memory allocated by GRRLIB
-    return 0;
+
+    exit(0);  // Use exit() to exit a program, do not use 'return' from main()
 }