screenClone()

Create new viewport to given logical screen.

Syntax:
screenClone( viewport , screen , vpx , vpy , vpw , vph flag )

viewport is viewport number and it can range from 0 to 7.
screen is logical screen number and it can range from 0 to 7.
vpx is viewport x coordinate on display.
vpy is viewport y coordinate on display.
vpw is viewport width.
vph is viewport height.
flag enable the screen transparency.

Example:
screenclone.sdlbas