Replying to your closed discussion, you need to use DISPLAY 0 to move back to the upper screen. If you want something to appear on both screens, you need to do something like this:
XSCREEN 2
PRINT "TEXT"
DISPLAY 1
PRINT "TEXT"
DISPLAY 0
This code will turn on the proper screen mode, PRINT the text on the upper screen, switch to controlling the bottom screen, PRINT the text again, and...
