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.
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);