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In this mode, you can view a multi-line portion of the program. You can view different
portions of the program by scrolling the display (see subsequent section called "Scrolling
the Program" for details). If you want to edit a particular line, you must scroll the
display so the line you want to edit is in the middle of the screen.
If there is no program in memory when you enter EDIT mode. the cursor will appear on
a line with the number 10, which is the default line number of the first program line.
You can then begin to enter program lines; the following section explains how to do that.
Note
\Vhen you enter EDIT mode, the typing-aid soft key definitions
and labels are changed to a User
nWYlll,
whos(' definitions are
more useful for editing operations (need KBD binary). See the
subsequent section called "A Closer Look at Editing" for further
information.
Correcting Typing Mistakes
If you make any errors while typing, use the
I
Back space
1
or
0
and
0
keys to move the
cursor to the erroneous character(s), and then re-type them correctly.
Storing the Line
Once the line is exactly as you want it, press
I
Return
I.
(The cursor may be any place on
the line when you store it; the system will read the entire line, regardless of the location
of the cursor.)
Entering Program Lines
To enter a program line. type the desired characters at the keyboard. For practice. type
in the lines shown below (the line numbers to the left are supplied for you).
10
PRINT "Tiny
prog."
I
Return
1
20 END
I
Return
1
30
6-4
Editing and
~toring
Program"
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