Tektronix 4023 Instruction Manual page 52

Computer display terminal
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PROGRAMMING
(cont.)
4023
Users
NOTE
To
obtain the correct
T
element
for the ruling type,
remember
that the
element
with the lowest
ruling
type
is
the inferior
element,
and
the
element
with
the
highest
ruling
type
is
the superior element.
The
T
element
is
the
ruling
type
Single
=
Double
=
1
The
following
is
an
example
of
computing
the
ASCII
code
for a
complex
join.
=
(6X3)
+
(3X0)
+0
+ 32
=
(
18
)
+
(
)+0
+ 32
= 50!
o
Refering to the
ASCII
Code
Chart,
you
will
find that
sending the numeral 2 (50!
o)
w
'"
display the
complex
join
shown
in
the example.
Single
Element
Characters.
To
use the
formula
for single
elements, the
P element
is
automatically
set
to
4.
The S
element
tells
the orientation of the
ruling:
Horizontal
=
Vertical
=
1
An
example
of using the
formula
for
single rulings:
--
=
(6
X
4)
+
(3
X
0)
+
1
+ 32
=
(
24
)
+
(
)
+
1+32
=
57
10
The ASCII Code
Chart
shows
that
sending the
code
for
the
numeral 9
(57!
)
will
display the
ruling
character
shown
in
the
above example.
Miscellaneous
Characters.
The
remaining four elements
do
not
fit
the formula,
therefore,
they
are
not considered
here.
Summary
Table
2-3
summarizes
the values that can
be used
in
computing
the
specific ruling characters.
The
numbers
in
TABLE
2-3
VALUES
FOR COMPUTING RULING
CHARACTERS
^^^^^^^
ELEMENT
IN
^^~-
FORMULA
ELEMENT
CLASS
'
\^
P(X6)
S
(X2)
T
Simple Join
Horizontal Join
Type
(0,1,2)
Vertical
Join
Type
(0,1,2)
Ruling
Type
(0,1)
Complex
Join
3
Inferior
Element
Join
Type
(0,1,2)
Superior
Element
Orientation
(0,1)
Single
4
Ruling
Orientation
(0,1)
Ruling
Type
(0,1)
2-12
®

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