TRS-80 MODEL III
NOTE: EDITing a program line automatically clears all variable values and
eliminates pending
FOR/NEXT
and
GOSUB
operations.
If
BASIC
encounters a syntax
errorduring programexecution, it will automatically put you in the
EDIT
mode.
Before EDITing the line, you
may
want to examine current variable values. In this
case, you must type
Q as yourfirst
EDIT
command. This will return you to the
command
mode, where you
may
examine variable values. Any other
EDIT
command
(typing
E,
pressing
ENTER,
etc.) will clearout all variables.
(ENTER)
key
Hitting
(ENTER)
while in the Edit
Mode
causes the Computerto record all the
changes
you've
made
(if
any) in the current line, and returns you to the Command
Mode.
n(SPACEBAR)
In the Edit
Mode,
hitting the Space-bar moves the cursoroverone space to the right
and displays any characterstored in the preceding position. Forexample, using line
100 entered above, put the
Computer
in the Edit Mode so the Display shows:
100.
Now
hit the Space-Bar.
The
cursorwill move over one space, and the first character
of
the programline will be displayed.
If
this character was a blank, then a blank will
bedisplayed. Hit the
Space-Bar
until you reach the first non-blank character:
100FIIIII
is displayed.
To
move
over
11l0re
than one space at a time, hit the desired number
of
spaces first, and then hit the space-bar.
For
example, type 5 and hit Space-bar, and
the display will show something like this (may vary depending on how
many
blanks
you inse11ed in the line):
100FOR
1=11III
Now
type 8 and hit the Space-bar.
The
cursorwill move
over
8 spaces to the right,
and 8 more characters will
be
displayed.
9/2
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