TRS-80 MODEL III
DELETEline number-line number
Erases program lines from memory. You may specify an individual line or a
sequence
of
lines, as follows:
DELETE line
number
DELETE line
number-line
number
DELETE-line
number
Erases one line as specified
Erases all program lines starting
with first line numberspecified
and ending with last number
specified
Erases all program lines up to
and including the specified
number
The upper line numberto be deleted must be a currently used number.
Examples:
DELETE 5
DELETE 11-18
Erases line 5 from memory (error
if
line 5
not used)
Erases lines 11,
18
and every line in between
If
you have
just
entered
or
edited a line, you may delete that line simply by entering
DELETE. (use a period instead
of
the line number).
EDIT line number
Puts the Computer in the Edit Mode so you can modify yourresident program. The
longerand more complex yourprograms are, the more important
EDIT will be. The
EditMode has its own selection
of
subcornmands, and we have devoted Chapter 9
to the subject.
LIST line number-line number
Instructs the Computer to display all programs lines presently stored in memory.
If
you enterLIST without an argument, the entire program will scroll continuously up
the screen.
To
stop the automatic scrolling, press
(SHIFT)
and @ simultaneously.
This will freeze the display. Press any key to release
the'
'pause" and continue the
automatic scrolling.
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