E - Usa Standard Code For Information Interchange - RCA 70/46 Reference Manual

APPENDIX E
USA STANDARD CODE FOR INFORMATION INTERCHANGE (USASCII)
(Extended to 8 Bits)
76X5 ~(---------------------------------4321-------------------------------------------7
HEX ~
0 1 2 3 4
!
0000 0001 0010 0011 0100
0 0000
NUL SOH STX
ETX
EOT
1 0001
DLE
DCI DC2 DC3 DC4
2 0010
3 0011
4 0100
SP ! "
#
$
5
0101
0
I
2 3
4
6
0110
7 0111
8
1000
9 1001
A
1010
@ A B C D
I
1011
P Q R S T
-c
1100
D 1101
E 1110
\
a
b
c d
F
1111
P
q
r s t
Bit Positions: 7 6 X 5 4 3 2 I
Control Characters:
NUL -Null
SOH - Start of Heading (CC)
STX - Start of Text (CC)
ETX -
End of Text (CC)
EOT - End of Transmission (CC)
ENQ - Enquiry (CC)
ACK - Acknowledge (CC)
BEL - Bell (audible or attention signal)
BS - Backspace (FE)
HT - Horizontal Tabulation
LF
VT
FF
CR
SO
SI
DLE
DCI
DC2
(punch card skip) (FE)
- Line Feed (FE)
- Vertical Tabulation (FE)
- Form Feed (FE)
- Carriage Return (FE)
- Shift Out
- Shift In
- Data Link Escape (CC)
- Device Control I
- Device Control 2
5 6
0101 0110
ENQ ACK
NAK SYN
% &
5 6
E F
U V
e f
u v
241
7
0111
BEL
ETB
,
7
G
W
g
w
8 9 A B
C D
1000
1001 1010 1011 1100
1101
BS HT LF VT FF
CR
CAN EM
SUB ESC FS GS
( ) *
+ -
,
8 9
:
;
<
=
H I J K L
M
x
Y
Z
[ ' "
]
h i j
k I m
x y z
{
I
}
DC3 - Device Control 3
DC4 - Device Control 4 (stop)
NAK - Negative Acknowledge (CC)
SYN - Synchronous Idle (CC)
ETB - End of Transmission Block (CC)
CAN -Cancel
EM - End of Medium
SUB - Substitute
ESC -Escape
FS - File Separator
(IS)
GS - Group Separator (IS)
RS - Record Separator (IS)
US - Unit Separator (IS)
DEL -Delete
81' - Space (normally non-printing)
(CC) - Communication Control
(FE) - Format Effector
(IS) - Information Separator
E F
1110 1111
SO SI
RS US
I
>
?
N 0
/I.
-
n
0
--'
DEL