ASCII Character Codes
Complete ASCII character code reference for BASIC-80.
Control Characters (0-31)
| Dec |
Hex |
Abbr |
Name |
Description |
| 0 |
00 |
NUL |
Null |
Null character |
| 1 |
01 |
SOH |
Start of Heading |
|
| 2 |
02 |
STX |
Start of Text |
|
| 3 |
03 |
ETX |
End of Text |
|
| 4 |
04 |
EOT |
End of Transmission |
|
| 5 |
05 |
ENQ |
Enquiry |
|
| 6 |
06 |
ACK |
Acknowledge |
|
| 7 |
07 |
BEL |
Bell |
Beep/alert sound |
| 8 |
08 |
BS |
Backspace |
Move cursor left |
| 9 |
09 |
HT |
Horizontal Tab |
Tab character |
| 10 |
0A |
LF |
Line Feed |
New line |
| 11 |
0B |
VT |
Vertical Tab |
|
| 12 |
0C |
FF |
Form Feed |
New page |
| 13 |
0D |
CR |
Carriage Return |
Return to line start |
| 14 |
0E |
SO |
Shift Out |
|
| 15 |
0F |
SI |
Shift In |
|
| 16 |
10 |
DLE |
Data Link Escape |
|
| 17 |
11 |
DC1 |
Device Control 1 |
XON |
| 18 |
12 |
DC2 |
Device Control 2 |
|
| 19 |
13 |
DC3 |
Device Control 3 |
XOFF |
| 20 |
14 |
DC4 |
Device Control 4 |
|
| 21 |
15 |
NAK |
Negative Acknowledge |
|
| 22 |
16 |
SYN |
Synchronous Idle |
|
| 23 |
17 |
ETB |
End of Block |
|
| 24 |
18 |
CAN |
Cancel |
|
| 25 |
19 |
EM |
End of Medium |
|
| 26 |
1A |
SUB |
Substitute |
|
| 27 |
1B |
ESC |
Escape |
Escape character |
| 28 |
1C |
FS |
File Separator |
|
| 29 |
1D |
GS |
Group Separator |
|
| 30 |
1E |
RS |
Record Separator |
|
| 31 |
1F |
US |
Unit Separator |
|
Printable Characters (32-126)
| Dec |
Hex |
Char |
Dec |
Hex |
Char |
Dec |
Hex |
Char |
Dec |
Hex |
Char |
| 32 |
20 |
SPACE |
56 |
38 |
8 |
80 |
50 |
P |
104 |
68 |
h |
| 33 |
21 |
! |
57 |
39 |
9 |
81 |
51 |
Q |
105 |
69 |
i |
| 34 |
22 |
" |
58 |
3A |
: |
82 |
52 |
R |
106 |
6A |
j |
| 35 |
23 |
# |
59 |
3B |
; |
83 |
53 |
S |
107 |
6B |
k |
| 36 |
24 |
$ |
60 |
3C |
< |
84 |
54 |
T |
108 |
6C |
l |
| 37 |
25 |
% |
61 |
3D |
= |
85 |
55 |
U |
109 |
6D |
m |
| 38 |
26 |
& |
62 |
3E |
> |
86 |
56 |
V |
110 |
6E |
n |
| 39 |
27 |
' |
63 |
3F |
? |
87 |
57 |
W |
111 |
6F |
o |
| 40 |
28 |
( |
64 |
40 |
@ |
88 |
58 |
X |
112 |
70 |
p |
| 41 |
29 |
) |
65 |
41 |
A |
89 |
59 |
Y |
113 |
71 |
q |
| 42 |
2A |
* |
66 |
42 |
B |
90 |
5A |
Z |
114 |
72 |
r |
| 43 |
2B |
+ |
67 |
43 |
C |
91 |
5B |
[ |
115 |
73 |
s |
| 44 |
2C |
, |
68 |
44 |
D |
92 |
5C |
\ |
116 |
74 |
t |
| 45 |
2D |
- |
69 |
45 |
E |
93 |
5D |
] |
117 |
75 |
u |
| 46 |
2E |
. |
70 |
46 |
F |
94 |
5E |
^ |
118 |
76 |
v |
| 47 |
2F |
/ |
71 |
47 |
G |
95 |
5F |
_ |
119 |
77 |
w |
| 48 |
30 |
0 |
72 |
48 |
H |
96 |
60 |
` |
120 |
78 |
x |
| 49 |
31 |
1 |
73 |
49 |
I |
97 |
61 |
a |
121 |
79 |
y |
| 50 |
32 |
2 |
74 |
4A |
J |
98 |
62 |
b |
122 |
7A |
z |
| 51 |
33 |
3 |
75 |
4B |
K |
99 |
63 |
c |
123 |
7B |
{ |
| 52 |
34 |
4 |
76 |
4C |
L |
100 |
64 |
d |
124 |
7C |
| |
| 53 |
35 |
5 |
77 |
4D |
M |
101 |
65 |
e |
125 |
7D |
} |
| 54 |
36 |
6 |
78 |
4E |
N |
102 |
66 |
f |
126 |
7E |
~ |
| 55 |
37 |
7 |
79 |
4F |
O |
103 |
67 |
g |
|
|
|
Control Character: DEL
| Dec |
Hex |
Name |
Description |
| 127 |
7F |
DEL |
Delete/Rubout |
Usage in BASIC-80
Converting Between ASCII and Characters
10 REM ASCII to character
20 C$ = CHR$(65) ' Returns "A"
30 PRINT C$
40 REM Character to ASCII
50 N = ASC("A") ' Returns 65
60 PRINT N
Common ASCII Values
- Letters: A-Z = 65-90, a-z = 97-122
- Digits: 0-9 = 48-57
- Space: 32
- Newline: CR=13, LF=10
- Tab: 9
String Functions Using ASCII
- ASC - Get ASCII code of first character
- CHR$ - Get character from ASCII code
- INKEY$ - Read keyboard (returns ASCII)
- INPUT$ - Read characters
See Also