PCAA> EXPAND/RIGHT:6

      The EXPAND command moves the right border of the current
      scrolling display to the right by 6 columns.

  PCAA> EXPAND/UP/RIGHT:-12 OUT2

      The EXPAND command moves the top border of display OUT2 up by 1
      line, and the right border to the left by 12 columns.

  PCAA> EXPAND/DOWN:99 SRC

      The EXPAND command moves the bottom border of display SRC down
      to the bottom edge of the screen.