Specifications

Chapter 14. Statement Reference
254
The entry ranges of the column and row are the same in the regular-size, double-
width, double-height, and quadruple-size.
Any parameter value outside its range will result in a run-time error.
Specification of the maximum value to column moves the cursor off the screen
and out of sight.
Example:
SCREEN 0,0 Regular size in ANK mode
LOCATE 17
If you display data on the screen under the above condition, the cursor moves to
the 1st column of the next row, from where the data appears.
If the double-width or quadruple-size is specified, specification of the (maximum
value - 1) to
column moves the cursor off the screen and out of sight.
Example:
SCREEN 0,2 Double-width in ANK mode
LOCATE 16
If you display data on the screen under the above condition, the cursor moves to
the 1st column of the next row, from where the data appears.
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
This cursor is invisible
This cursor is visible