PCOPY - a graphics statement that copies one screen page to another
 
Syntax
  PCOPY sourcepage, destinationpage
    - sourcepage, a numeric expression that has an integer value between
      0 and n, identifies the segment of video memory that contains the
      source. The value of n is determined by the current size of video
      memory and the current screen mode.
    - destinationpage, also a numeric expression that has an integer value
      between 0 and n, identifies the video memory location of the copy
 
See Also  <SCREEN STATEMENT> - to see how the current SCREEN mode
                               determines the number of pages available