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Appendix 0
IODR Character Code Chart
The Following Invalid
Character
IODR Code
(7-Bit BCD )
Characters Cause Printer
To Space
0
0
C
1
1
C
8
4
2
2
8
4
1
3
C
2
1
X 0
C
8
2
4
4
X 0
C
8
4
5
C
4
1
X 0
8
4
1
6
C
4
2
X
8
2
7
4
2
1
X
C
8
4
1
8
8
X
8
4
2
1
9
C
8
1
0
8
2
A
X 0
1
0
8
4
B
X 0
2
0
C
8
4
1
C
X 0
C
2
1
0
C
8
4
2
D
X 0
4
E
X 0
C
4
1
F
X 0
C
4
2
G
X 0
4
2
1
H
X 0
8
I
X 0
C
8
1
Valid
J
X
C
1
Characters
K
X
C
2
L
X
2
1
M
X
C
4
N
X
4
1
0
X
4
2
P
X
C
4
2
1
Q
X
C
8
R
X
8
1
S
0
C
2
T
0
2
1
U
0
C
4
V
0
4
1
W
0
4
2
X
0
C
4
2
1
y
0
C
8
Z
0
8
1
+
X 0
C
.
X 0
8
2
1
-
X
=
8
2
1
*
X
8
4
/
0
C
1
I
0
C
8
2
1
L:.
X
C
8
2
1
t
C
8
4
Space
C
Type Numerical Period
(1)
X 0
8
2
1
Change IYtode
(2)
X
8
2
Type Numerical Comma (3)
0
C
8
2
1
Control
Shift to Black (4)
8
4
2
Characters
Sh ift to Red (5)
C
8
4
2
1
(Preceded
Tabulate (6)
X
C
8
4
2
by:1=)
Space
(7)
0
8
4
2
1
Return Carriage (81
X 0
8
4
2
Advance Form (9)
X 0
C
8
4
2
1
End of Message
(f)
X 0
C
8
4
2
1
66
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