Copies one video display page to another.
PCOPY source_page, target_page
source_page is an integer expression that specifies the video display page to be copied.
target_page is an integer expression that specifies the video display page to which the source page is to be copied.
The number of video display pages available is dependent on the video memory size and video display mode.
'Copy video page 1 to page 3
PCOPY 1, 3