AT&T 6300 Programmer's Manual page 336

LOCATE (Graphics)
Statement
Moves the graphics cursor to the specified
position. LOCATE may also turn the cursor on
and off and define the shape and blinkrate of
either the overwrite or the user cursor.
Syntax 1
Syntax 2
row
co.umn
rate
7-180
LOCATE [row] [,column] [, [rate] [,
[start] [,stop]]]], .
LOCATE [row] [, [column] [, [rate] [,
[line] [,map]]]],
is the screen line number. An unsigned integer expression in
the range 1 to 25.
is the screen column number. An unsigned integer in the
range 1 to 40 or 1 to 80, depending on screen width.
is an integer expression in the range 0 to 10
o
Turn both the user and the overwrite cursors off
1 Make the specified cursor non-blinking (the
'start' parameter specifies the type of cursor)
2... 10 Blink the specified cursor with a period of 'rate'
units of 1/18.75 seconds