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All we mean is that you can combine horizontal and vertical movements that
use the same units. If you send this command,
<ESC> *p 40x 20Y
the print position will move to a spot 40 dots from the left edge of the page
and 20 dots down from the top edge. And if you send this one:
<ES0 &a +4Oh -20V
the print position will move right 40 decipoints and up 20 decipoints.
Backspace
The Backspace control code works exactly as you might expect: it moves the
print position one column to the left.
<BS>
Moving the print position back does not destroy any characters already sent.
In fact, because of that, this command can be quite useful. It lets you
superimpose one character over another.
Say you want to indicate a blank space as the letter b with a slash /through
it, an old programming symbol. Just send the b and then follow it with CBS>
and the slash, and you get this: b.
Carriage return
The Carriage Return command by itself only moves the print position back
to the left margin of the line on which it currently sits:
<CR>
If you want the print position to move down a line as well, send a separate
Line Feed command each time, or use Define Automatic Line Ends (ex-
plained below) to couple these two control codes.
Line feeds
The Line Feed command advances the print position one line down the page.
The meaning of a line is set by the Line Depth command.
To send a line feed just send this control code:
<LD
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