@@ -86,6 +86,8 @@ screen_resize(Uint16 width, Uint16 height)

 	Uint32 *pixels = NULL;

 	if(width < 0x8 || height < 0x8 || width >= 0x400 || height >= 0x400)

 		return;

+	if(uxn_screen.width == width && uxn_screen.height == height)

+		return;

 	bg = malloc(width * height),

 	fg = malloc(width * height);

 	if(bg && fg)

@@ -123,8 +125,7 @@ screen_redraw(void)

 			i = x + y * w;

 			pixels[i] = palette[fg[i] << 2 | bg[i]];

 		}

-	uxn_screen.x1 = uxn_screen.y1 = 0xffff;

-	uxn_screen.x2 = uxn_screen.y2 = 0;

+	uxn_screen.x1 = uxn_screen.y1 = uxn_screen.x2 = uxn_screen.y2 = 0;

 }

 Uint8

@@ -61,12 +61,6 @@ static Uint64 exec_deadline, deadline_interval, ms_interval;

 char *rom_path;

-static int

-clamp(int val, int min, int max)

-{

-	return (val >= min) ? (val <= max) ? val : max : min;

-}

-

 static Uint8

 audio_dei(int instance, Uint8 *d, Uint8 port)

 {

@@ -199,7 +193,7 @@ redraw(void)

 	screen_redraw();

 	if(SDL_UpdateTexture(emu_texture, NULL, uxn_screen.pixels, uxn_screen.width * sizeof(Uint32)) != 0)

 		system_error("SDL_UpdateTexture", SDL_GetError());

-	SDL_RenderCopy(emu_renderer, emu_texture, NULL, &emu_frame);

+	SDL_RenderCopy(emu_renderer, emu_texture, NULL, NULL);

 	SDL_RenderPresent(emu_renderer);

 }

@@ -216,7 +210,7 @@ init(void)

 	as.userdata = NULL;

 	if(SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_JOYSTICK) < 0)

 		return system_error("sdl", SDL_GetError());

-	emu_window = SDL_CreateWindow("Uxn", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, (WIDTH) * zoom, (HEIGHT) * zoom, SDL_WINDOW_SHOWN | SDL_WINDOW_ALLOW_HIGHDPI);

+	emu_window = SDL_CreateWindow("Uxn", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, (WIDTH)*zoom, (HEIGHT)*zoom, SDL_WINDOW_SHOWN | SDL_WINDOW_ALLOW_HIGHDPI);

 	if(emu_window == NULL)

 		return system_error("sdl_window", SDL_GetError());

 	emu_renderer = SDL_CreateRenderer(emu_window, -1, 0);

@@ -388,7 +382,7 @@ handle_events(Uxn *u)

 			uxn_eval(u, PEEK2(&u->dev[0x30 + 0x10 * (event.type - audio0_event)]));

 		/* Mouse */

 		else if(event.type == SDL_MOUSEMOTION)

-			mouse_pos(u, &u->dev[0x90], clamp(event.motion.x, 0, uxn_screen.width - 1), clamp(event.motion.y, 0, uxn_screen.height - 1));

+			mouse_pos(u, &u->dev[0x90], event.motion.x, event.motion.y);

 		else if(event.type == SDL_MOUSEBUTTONUP)

 			mouse_up(u, &u->dev[0x90], SDL_BUTTON(event.button.button));

 		else if(event.type == SDL_MOUSEBUTTONDOWN)