Use to customize the QuickBASIC screen.
                 ┌────────────────Display─────────────────┐
                 │ ┌────────────── Colors ───────────────┐│
                 │                     Foregrnd  Backgrnd │
                 │ ▒ Normal Text       ▒▒▒▒▒▒▒▒  ▒▒▒▒▒▒▒▒ │
                 │                     ▒▒▒▒▒▒▒▒  ▒▒▒▒▒▒▒▒ │
Colors you pick  ─►▒ Current Stmt      ▒▒▒▒▒▒▒▒  ▒▒▒▒▒▒▒▒ │
here will        │                                        │
highlight text   ─►▒ Breakpoint Lines                     │
during debugging │                                        │
                 │ ┌──────────Display Options────────────┐│
                 │   ▒ Scroll Bars          Tab Stops: ▒  │
                 └───▲─────────────────────────────────▲──┘
Turn off if you do   │    Enter number of spaces you   │
not use a mouse. ────┘    want TAB to advance cursor. ─┘
 
To set options
  1. Move the cursor to the appropriate option box with
     the DIRECTION keys (Normal Text, Current Statement,
     or Breakpoint Lines).
  2. Press TAB. The cursor will jump to the foreground
     color list.
  3. Use the DIRECTION keys to select a color.
  4. Press TAB to repeat the color selection process for
     the background color.
  5. Press ENTER to choose the new color pair.