Appendix A
ASCII Codes
Both seven- and eight-bit ASCII codes are referenced here, as well as special graphics
sets.
7-Bit ASCII Code
Printable Characters
Char |
Octal |
Binary |
A |
101 |
1000001 |
B |
102 |
1000010 |
C |
103 |
1000011 |
D |
104 |
1000100 |
E |
105 |
1000101 |
F |
106 |
1000110 |
G |
107 |
1000111 |
H |
110 |
1001000 |
I |
111 |
1001001 |
J |
112 |
1001010 |
K |
113 |
1001011 |
L |
114 |
1001100 |
M |
115 |
1001101 |
N |
116 |
1001110 |
O |
117 |
1001111 |
P |
120 |
1010000 |
Q |
121 |
1010001 |
R |
122 |
1010010 |
S |
123 |
1010011 |
T |
124 |
1010100 |
U |
125 |
1010101 |
V |
126 |
1010110 |
W |
127 |
1010111 |
X |
130 |
1011000 |
Y |
131 |
1011001 |
Z |
132 |
1011010 |
Printable Characters
Char |
Octal |
Binary |
a |
141 |
1100001 |
b |
142 |
1100010 |
c |
143 |
1100011 |
d |
144 |
1100100 |
e |
145 |
1100101 |
f |
146 |
1100110 |
g |
147 |
1100111 |
h |
150 |
1101000 |
i |
151 |
1101001 |
j |
152 |
1101010 |
k |
153 |
1101011 |
l |
154 |
1101100 |
m |
155 |
1101101 |
n |
156 |
1101110 |
o |
157 |
1101111 |
p |
160 |
1110000 |
q |
161 |
1110001 |
r |
162 |
1110010 |
s |
163 |
1110011 |
t |
164 |
1110100 |
u |
165 |
1110101 |
v |
166 |
1110110 |
w |
167 |
1110111 |
x |
170 |
1111000 |
y |
171 |
1111001 |
z |
172 |
1111010 |
Printable Characters
Char |
Octal |
Binary |
SP |
040 |
0100000 |
! |
041 |
0100001 |
" |
042 |
0100010 |
# |
043 |
0100011 |
$ |
044 |
0100100 |
% |
045 |
0100101 |
& |
046 |
0100110 |
' |
047 |
0100111 |
( |
050 |
0101000 |
) |
051 |
0101001 |
* |
052 |
0101010 |
+ |
053 |
0101011 |
, |
054 |
0101100 |
- |
055 |
0101101 |
. |
056 |
0101110 |
/ |
057 |
0101111 |
0 |
060 |
0110000 |
1 |
061 |
0110001 |
2 |
062 |
0110010 |
3 |
063 |
0110011 |
4 |
064 |
0110100 |
5 |
065 |
0110101 |
6 |
066 |
0110110 |
7 |
067 |
0110111 |
8 |
070 |
0111000 |
9 |
071 |
0111001 |
: |
072 |
0111010 |
; |
073 |
0111011 |
< |
074 |
0111100 |
= |
075 |
0111101 |
> |
076 |
0111110 |
? |
077 |
0111111 |
@ |
100 |
1000000 |
Control Characters
Char |
Octal |
Binary |
NUL |
000 |
0000000 |
SOH |
001 |
0000001 |
STX |
002 |
0000010 |
ETX |
003 |
0000011 |
EOT |
004 |
0000100 |
ENQ |
005 |
0000101 |
ACK |
006 |
0000110 |
BEL |
007 |
0000111 |
BS |
010 |
0001000 |
HT |
011 |
0001001 |
LF |
012 |
0001010 |
VT |
013 |
0001011 |
FF |
014 |
0001100 |
CR |
015 |
0001101 |
SO |
016 |
0001110 |
SI |
017 |
0001111 |
DLE |
020 |
0010000 |
DC1 |
021 |
0010001 |
DC2 |
022 |
0010010 |
DC3 |
023 |
0010011 |
DC4 |
024 |
0010100 |
NAK |
025 |
0010101 |
SYN |
026 |
0010110 |
ETB |
027 |
0010111 |
CAN |
030 |
0011000 |
EM |
031 |
0011001 |
SUB |
032 |
0011010 |
ESC |
033 |
0011011 |
FS |
034 |
0011100 |
GS |
035 |
0011101 |
RS |
036 |
0011110 |
US |
037 |
0011111 |
DEL |
177 |
1111111 |
Special Graphics Characters
Octal Code |
Graphic with US or UK set |
Graphic with “Special Graphics” Set |
137 |
_ |
|
Blank |
140 |
` |
|
Diamond; |
141 |
a |
|
Checkerboard (error indicator) |
142 |
b |
|
horizontal tab |
143 |
c |
|
form feed |
144 |
d |
|
carriage return |
145 |
e |
|
line feed |
146 |
f |
|
Degree symbol |
147 |
g |
|
Plus/minus |
150 |
h |
|
new line |
151 |
i |
|
vertical tab |
152 |
j |
|
Lower-right corner |
153 |
k |
|
Upper-right corner |
154 |
l |
|
Upper-left corner |
155 |
m |
|
Lower-left corner |
156 |
n |
|
Crossing lines |
157 |
o |
|
Horizontal line - Scan 1 |
160 |
p |
|
Horizontal line - Scan 3 |
161 |
q |
|
Horizontal line - Scan 5 |
162 |
r |
|
Horizontal line - Scan 7 |
163 |
s |
|
Horizontal line - Scan 9 |
164 |
t |
|
Left “T” |
165 |
u |
|
Right “T” |
166 |
v |
|
Bottom “T” |
167 |
w |
|
Top “T” |
170 |
x |
|
Vertical Bar |
171 |
y |
|
Less than or equal to |
172 |
z |
|
Greater than or equal to |
173 |
{ |
|
Pi |
174 |
| |
|
Not equal to |
175 |
} |
|
UK pound sign |
176 |
~ |
|
Centered dot |