@@ -193,7 +193,6 @@ quit(void)

 	gRenderer = NULL;

 	SDL_DestroyWindow(gWindow);

 	SDL_Quit();

-	exit(0);

 }

 static int

@@ -227,6 +226,7 @@ init(void)

 	SDL_CreateThread(stdin_handler, "stdin", NULL);

 	SDL_StartTextInput();

 	SDL_ShowCursor(SDL_DISABLE);

+	SDL_EventState(SDL_DROPFILE, SDL_ENABLE);

 	return 1;

 }

@@ -489,7 +489,8 @@ doctrl(Uxn *u, SDL_Event *event, int z)

 	case SDLK_F1: if(z) set_zoom(zoom > 2 ? 1 : zoom + 1); break;

 	case SDLK_F2: if(z) devsystem->dat[0xe] = !devsystem->dat[0xe]; break;

 	case SDLK_F3: if(z) capture_screen(); break;

-    case SDLK_F4: if(z) restart(u); break;

+	case SDLK_AC_BACK:

+	case SDLK_F4: if(z) restart(u); break;

 	}

 	/* clang-format on */

 	if(z) {

@@ -524,11 +525,16 @@ run(Uxn *u)

 	redraw(u);

 	while(!devsystem->dat[0xf]) {

 		SDL_Event event;

-		double elapsed, start = 0;

+		double elapsed, begin = 0;

 		if(!BENCH)

-			start = SDL_GetPerformanceCounter();

+			begin = SDL_GetPerformanceCounter();

 		while(SDL_PollEvent(&event) != 0) {

 			switch(event.type) {

+			case SDL_DROPFILE:

+				set_size(WIDTH, HEIGHT, 0);

+				start(u, event.drop.file);

+				SDL_free(event.drop.file);

+				break;

 			case SDL_QUIT:

 				return error("Run", "Quit.");

 			case SDL_TEXTINPUT:

@@ -561,7 +567,7 @@ run(Uxn *u)

 		if(ppu.reqdraw || devsystem->dat[0xe])

 			redraw(u);

 		if(!BENCH) {

-			elapsed = (SDL_GetPerformanceCounter() - start) / (double)SDL_GetPerformanceFrequency() * 1000.0f;

+			elapsed = (SDL_GetPerformanceCounter() - begin) / (double)SDL_GetPerformanceFrequency() * 1000.0f;

 			SDL_Delay(clamp(16.666f - elapsed, 0, 1000));

 		}

 	}