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Radio Shack PC-2 TRS-80 - Page 41

Radio Shack PC-2 TRS-80
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an
underline
(
_).
Pressing
G)
will
back
the
Cursor
up
one
space
and
change
it
to
a
blinking
block
(
-).
Holding
down
G)
will
activate
a
repeat
function
and
the
Cursor
will
automatically
move
"backwards"
until
the
first
character
in
the
line
is
reached.
The
Cursor
can
be
backspaced
in
any
of
the
Operation
Modes.
Pressing (SHIFT)
before
pressing
~
will
activate
the
Delete
function.
This
function
will erase
whatever
character
(or
space)
the
Cursor
is
"on
top
of"
although
the
change
will
not
be
"saved"
until
you
press (ENTER).
A
typical
use
of
~
might
be
to
position
the
Cursor
so it
is
on
top
of
a
character
that
doesn't
need
to
be
there.
Then
you
could
press (SHIFT)
~
and
the
character
would
be
erased.
For
example,
a
program
line
might
be:
100
FOR
~<==1
TO
100_
where
the
Cursor
is
at
the
end
of
the
line.
1. Press
~
until
the
Cursor
is
on
top
of
one
of
the
equal signs.
2. Press (SHIFT)
~
and
the
Computer
would
display:
1
TO
1
C1CI
3.
Press
(ENTER)
to
enter
the
"new"
program
line
into
memory.
37

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