Specifications

EMULATION
The
"message"
is the
desired function:
a
string
of
ASCII
characters,
control codes,
and
escape sequences. Total memory
available
for
storing
new
function
key
codes
is 6K
bytes.
If
desired,
all
storage
may be
devoted
to
reprogramming
one
function key.
Be
careful when programming:
if you
make
a
mistake while
typing,
you
will
need
to
start over.
Note:
If
"CTRL/Y"
is to be
part
of the
message, enter
the
Bypass Code
CTRUP
immediately before
the
CTRL/Y.
The
Bypass
Code
denotes that
the
following code
is to
be
part
of the
message.
As you
might expect,
you
include
the
Bypass Code itself
in the
the
message
in the
same
way:
CTRLyP
CTRL/P
FOR
EXAMPLE,
ESC
p1p2
message
CTRL/Y
ESC
1 1
TURN
ON
PRINTER
CR
CTRL/Y
programs
F1 to
send
the
message "TURN
ON
PRINTER"
to the
host.
Video
Attributes
A
video attribute
or
combination
thereof
is
denoted
by a
three-character escape
sequence:
ESC
G n
where
"n" is the
value associated with
the
attribute
or
combination.
The
value
of
"n"
associated with
an
attribute
is
given
in
Table 4-7.
Clearing Data
There
are
several ways
to
clear data from
the
screen and/or host's memory. Table
4-8
lists
different
ways
to
clear data
in
this emulation.
4-15