anchor.diff:     *  Create an SDL_PixelFormat structure from a pixel format enum.
      *}
   
  -function SDL_AllocFormat(Uint32 pixel_format): PSDLPixelFormat cdecl external {$IFDEF GPC} name 'SDL_AllocFormat' {$ELSE} SDL_LibName {$ENDIF};
  +function SDL_AllocFormat(pixel_format: UInt32): PSDLPixelFormat cdecl external {$IFDEF GPC} name 'SDL_AllocFormat' {$ELSE} SDL_LibName {$ENDIF};
   
     {**
      *  Free an SDL_PixelFormat structure.
  
positive.code:    *  0 on success, or -1 if not all of the colors could be set.
     *}
  
  function SDL_SetPaletteColors(palette: PSDLPalette; const colors: PSDLColor; int firstcolor; int ncolors): SInt32 cdecl external {$IFDEF GPC} name 'SDL_SetPaletteColors' {$ELSE} SDL_LibName {$ENDIF};
  
    {**
     *  Free a palette created with SDL_AllocPalette().
  
negative.code:    *  Fill in information about the current display mode.
     *}
  
    function SDL_GetCurrentDisplayMode(displayIndex: SInt32; mode: PSDLDisplayMode): SInt32 cdecl external {$IFDEF GPC} name 'SDL_GetCurrentDisplayIndex' {$ELSE} SDL_LibName {$ENDIF};
  
    {**
     *  Get the closest match to the requested display mode.
  