$cons
->Scroll(left
,top
,right
,bottom
,col
,row
,char
,attr
, [cleft
,ctop
,cright
,cbottom
])
Moves a block of data in a console buffer; the block is identified by the left, top, right, and bottom positions.
row and col identify the new location of the block. The cells left empty as a result of the move are filled with the character char and attribute attr.
Optionally, you can specify a clipping region with cleft, ctop, cright, cbottom,
so that the contents of the console outside this rectangle are unchanged.
Returns undef
on error or a nonzero value on success.
# scrolls the screen 10 lines down, filling with black spaces $CONSOLE->Scroll(0, 0, 80, 25, 0, 10, " ", $FG_BLACK | $BG_BLACK);