Specifications

255
If the double-height or quadruple-size is specified, specification of the maximum
value to
row moves the cursor off the screen and out of sight.
Example:
SCREEN 0,4 Double-height in ANK mode
LOCATE ,25
If you display data on the screen under the above condition, the screen scrolls
and the data appears.
PRINT A;
Switching to the regular-size will make the cursor visible as shown below.
SCREEN 0,0 'Regular-size in ANK mode
This cursor is invisible
A
This cursor is visible
This cursor is visible