Clean up libapplet_launch example

examples/libapplet_launch/source/main.c

@@ -1,43 +1,45 @@
 #include <3ds.h>
+#include <stdio.h>
+
+static bool allowed = false;
+
+// If you define this function, you can monitor/debug APT events
+void _aptDebug(int a, int b)
+{
+	if (allowed)
+		printf("_aptDebug(%d,%x)\n", a, b);
+}
 
 int main()
 {
-	u32 val, i;
-
 	gfxInitDefault();
-	//gfxSet3D(true); // uncomment if using stereoscopic 3D
+	consoleInit(GFX_TOP, NULL);
+	allowed = true;
 
-	val = 0x22447899;
+	printf("Press B to launch applet\n");
 
 	// Main loop
 	while (aptMainLoop())
 	{
 		gspWaitForVBlank();
+		gfxSwapBuffers();
 		hidScanInput();
 
-		// Your code goes here
-
 		u32 kDown = hidKeysDown();
 		if (kDown & KEY_START)
 			break; // break in order to return to hbmenu
 
-		if (kDown & KEY_B)APT_LaunchLibraryApplet(0x408, 0, NULL, 0);//Launch the extrapad library applet when button B is pressed.
-
-		// Example rendering code that displays a white pixel
-		// Please note that the 3DS screens are sideways (thus 240x400 and 240x320)
-		u32* fb = (u32*)gfxGetFramebuffer(GFX_TOP, GFX_LEFT, NULL, NULL);
-
-		for(i=0; i<(0x46500>>2); i++)fb[i] = val;
-
-		val+= 0x44;
-
-		// Flush and swap framebuffers
 		gfxFlushBuffers();
-		gfxSwapBuffers();
+
+		// Launch the extrapad library applet when button B is pressed.
+		if (kDown & KEY_B)
+		{
+			Result rc = APT_LaunchLibraryApplet(APPID_EXTRAPAD, 0, NULL, 0);
+			if (rc) printf("APT_LaunchLibraryApplet: %08lX\n", rc);
+		}
 	}
 
 	// Exit services
 	gfxExit();
 	return 0;
 }
-