Table 2-3. Operation Codes (Continued)
CODE OPERATION
Video Reset
Replaces all
the
blink
function
codes
in
the
memory
with
protected
or
un-
protected
space codes and sets
the
eighth
bit
of
each code depending
upon
the
state
of
the
protect
latch.
Video Line Reset Code
is
stored
in
the
memory
at
the
cursor's location and restores
to
the
normal video
the
memory's
characters from
that
location
to
the
end
of
the
line.
Video Blink Code
is
stored
in
the
memory
at
the
cursor's location and starts blinking
the
remaining characters
in
that
line when
in
the
Character
mode
or
For-
mat
mode.
Video Reverse
Code
is
stored
in
the
memory
at
the
cursor's location,
then
the
next
character
and following characters
to
the
end
of
the
line are displayed
in
reverse video when
in
Character
mode
or
Format
mode.
Video Blink
Code
is
stored
in
the
memory
at
the
cursor's location,
then
the
next
char-
Reverse
acter and following characters
to
the end
of
the
line are displayed in
blinking reverse video when
in
Character
mode
or
Format
mode.
BREAK
When
this
key
is
depressed, a
400
millsecond (approx.) one-shot spacing
signal
is
transmitted.
This
function
is
not
active
in
the
local mode.
CTRL (Control)
When
this
is
depressed
together
with
any
alpha key, it changes
the
code
structure
of
that
key by forcing
the
seventh bit
to
"o."
This allows
operation
of
the
control codes assigned
to
column
one
and
two
of
the
ASCII Code Chart.
SPOW Latch
Set
by
the
RETURN function and reset
by
the
following functions:
LINE FEED
NEW
LINE
TAB
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