@@ -75,6 +75,16 @@ ppu_clear(Ppu *p, Uint8 mask)

 		p->pixels[i] &= mask;

 }

+void

+ppu_redraw(Ppu *p, Uint32 *screen)

+{

+	Uint16 x, y;

+	for(y = 0; y < p->height; ++y)

+		for(x = 0; x < p->width; ++x)

+			screen[x + y * p->width] = p->palette[ppu_read(p, x, y)];

+	p->reqdraw = 0;

+}

+

 Uint8

 ppu_read(Ppu *p, Uint16 x, Uint16 y)

 {

@@ -29,6 +29,7 @@ typedef struct Ppu {

 void ppu_palette(Ppu *p, Uint8 *addr);

 void ppu_resize(Ppu *p, Uint16 width, Uint16 height);

 void ppu_clear(Ppu *p, Uint8 layer);

+void ppu_redraw(Ppu *p, Uint32 *screen);

 Uint8 ppu_read(Ppu *p, Uint16 x, Uint16 y);

 void ppu_write(Ppu *p, Uint8 layer, Uint16 x, Uint16 y, Uint8 color);

 void ppu_1bpp(Ppu *p, Uint8 layer, Uint16 x, Uint16 y, Uint8 *sprite, Uint8 color, Uint8 flipx, Uint8 flipy);

@@ -152,18 +152,14 @@ capture_screen(void)

 static void

 redraw(Uxn *u)

 {

-	Uint16 x, y;

 	if(devsystem->dat[0xe])

 		ppu_debug(&ppu, u->wst.dat, u->wst.ptr, u->rst.ptr, u->ram.dat);

-	for(y = 0; y < ppu.height; ++y)

-		for(x = 0; x < ppu.width; ++x)

-			ppu_screen[x + y * ppu.width] = ppu.palette[ppu_read(&ppu, x, y)];

+	ppu_redraw(&ppu, ppu_screen);

 	if(SDL_UpdateTexture(gTexture, &gRect, ppu_screen, ppu.width * sizeof(Uint32)) != 0)

 		error("SDL_UpdateTexture", SDL_GetError());

 	SDL_RenderClear(gRenderer);

 	SDL_RenderCopy(gRenderer, gTexture, NULL, NULL);

 	SDL_RenderPresent(gRenderer);

-	ppu.reqdraw = 0;

 }

 static void