The _setup utility sets up the screen default colors and loads function keys F7 through F10 as follows:
If _setup is called with a color number, the function keys will NOT be loaded.
The following example changes the default colors and loads the function keys:
The following example changes the default color to color 16 (BLUE background with WHITE foreground) but does not load the function keys.
Refer to the Color Code table for the color code map.