Atari XL

Corrections
First Steps
11
If you notice - before you press RETURN - that
you have made a typing mistake, you can correct
the error by using the cursor keys. For example, if
you type:
PRONT "ATARI XL"
and then realise your mistake, position the cursor
over the offending 0 using the cursor keys, and
type an I. You can now press RETURN - there's
no need to move the cursor to the end of the line.
This is a general rule; pressing RETURN will tell
the computer to consider the line upon which the
cursor rests as a command. This means you must
be careful to delete any rubbish from the line before
pressing RETURN, or the Atari will not
understand the instruction.
To remove large amounts of text, use the DELETE
BACK SPACE key which will delete characters to
the left of the cursor for as long as it is held down.
If you hold down CONTROL and press DELETE
BACK SPACE characters to the right of the cursor
will be deleted. To insert text in a line, hold down
the CONTROL key and press the INSERT key -
this will create a space for your addi tions.
You can delete whole lines from the screen by
holding down SHIFT and pressing DELETE BACK
SPACE; using SHIFT and INSERT will insert
blank lines.
Clearing the screen
This can be done in three ways. You can hold down
the SHIFT key or the CONTROL key and press the
CLEAR key to simply clear the screen. Pressing
the RESET key (in the row at the right hand edge
of the keyboard) will clear the screen, return the