ASCII codes

Compatible with:
DOS Maximite CMM MM150 MM170 MM+ MMX Picromite ArmiteL4 Armite F4 ArmiteH7 CMM2

 

ASCII control characters (character code 0-31)

The first 32 characters in the ASCII-table are unprintable control codes and are used to control peripherals such as printers.


DEC

OCT

HEX

BIN

Symbol

Description

0

000

00

00000000

NUL

Null char

1

001

01

00000001

SOH

Start of Heading

2

002

02

00000010

STX

Start of Text

3

003

03

00000011

ETX

End of Text

4

004

04

00000100

EOT

End of Transmission

5

005

05

00000101

ENQ

Enquiry

6

006

06

00000110

ACK

Acknowledgment

7

007

07

00000111

BEL

Bell

8

010

08

00001000

BS

Back Space

9

011

09

00001001

HT

Horizontal Tab

10

012

0A

00001010

LF

Line Feed

11

013

0B

00001011

VT

Vertical Tab

12

014

0C

00001100

FF

Form Feed

13

015

0D

00001101

CR

Carriage Return

14

016

0E

00001110

SO

Shift Out / X-On

15

017

0F

00001111

SI

Shift In / X-Off

16

020

10

00010000

DLE

Data Line Escape

17

021

11

00010001

DC1

Device Control 1 (oft. XON)

18

022

12

00010010

DC2

Device Control 2

19

023

13

00010011

DC3

Device Control 3 (oft. XOFF)

20

024

14

00010100

DC4

Device Control 4

21

025

15

00010101

NAK

Negative Acknowledgement

22

026

16

00010110

SYN

Synchronous Idle

23

027

17

00010111

ETB

End of Transmit Block

24

030

18

00011000

CAN

Cancel

25

031

19

00011001

EM

End of Medium

26

032

1A

00011010

SUB

Substitute

27

033

1B

00011011

ESC

Escape

28

034

1C

00011100

FS

File Separator

29

035

1D

00011101

GS

Group Separator

30

036

1E

00011110

RS

Record Separator

31

037

1F

00011111

US

Unit Separator

ASCII printable characters (character code 32-127)

Codes 32-127 are common for all the different variations of the ASCII table, they are called printable characters, represent letters, digits, punctuation marks, and a few miscellaneous symbols. You will find almost every character on your keyboard. Character 127 represents the command DEL.


DEC

OCT

HEX

BIN

Symbol

Description

32

040

20

00100000

 

Space

33

041

21

00100001

!

Exclamation mark

34

042

22

00100010

"

Double quotes (or speech marks)

35

043

23

00100011

#

Number

36

044

24

00100100

$

Dollar

37

045

25

00100101

%

Procenttecken

38

046

26

00100110

&

Ampersand

39

047

27

00100111

'

Single quote

40

050

28

00101000

(

Open parenthesis (or open bracket)

41

051

29

00101001

)

Close parenthesis (or close bracket)

42

052

2A

00101010

*

Asterisk

43

053

2B

00101011

+

Plus

44

054

2C

00101100

,

Comma

45

055

2D

00101101

-

Hyphen

46

056

2E

00101110

.

Period, dot or full stop

47

057

2F

00101111

/

Slash or divide

48

060

30

00110000

0

Zero

49

061

31

00110001

1

One

50

062

32

00110010

2

Two

51

063

33

00110011

3

Three

52

064

34

00110100

4

Four

53

065

35

00110101

5

Five

54

066

36

00110110

6

Six

55

067

37

00110111

7

Seven

56

070

38

00111000

8

Eight

57

071

39

00111001

9

Nine

58

072

3A

00111010

:

Colon

59

073

3B

00111011

;

Semicolon

60

074

3C

00111100

<

Less than (or open angled bracket)

61

075

3D

00111101

=

Equals

62

076

3E

00111110

>

Greater than (or close angled bracket)

63

077

3F

00111111

?

Question mark

64

100

40

01000000

@

At symbol

65

101

41

01000001

A

Uppercase A

66

102

42

01000010

B

Uppercase B

67

103

43

01000011

C

Uppercase C

68

104

44

01000100

D

Uppercase D

69

105

45

01000101

E

Uppercase E

70

106

46

01000110

F

Uppercase F

71

107

47

01000111

G

Uppercase G

72

110

48

01001000

H

Uppercase H

73

111

49

01001001

I

Uppercase I

74

112

4A

01001010

J

Uppercase J

75

113

4B

01001011

K

Uppercase K

76

114

4C

01001100

L

Uppercase L

77

115

4D

01001101

M

Uppercase M

78

116

4E

01001110

N

Uppercase N

79

117

4F

01001111

O

Uppercase O

80

120

50

01010000

P

Uppercase P

81

121

51

01010001

Q

Uppercase Q

82

122

52

01010010

R

Uppercase R

83

123

53

01010011

S

Uppercase S

84

124

54

01010100

T

Uppercase T

85

125

55

01010101

U

Uppercase U

86

126

56

01010110

V

Uppercase V

87

127

57

01010111

W

Uppercase W

88

130

58

01011000

X

Uppercase X

89

131

59

01011001

Y

Uppercase Y

90

132

5A

01011010

Z

Uppercase Z

91

133

5B

01011011

[

Opening bracket

92

134

5C

01011100

\

Backslash

93

135

5D

01011101

]

Closing bracket

94

136

5E

01011110

^

Caret - circumflex

95

137

5F

01011111

_

Underscore

96

140

60

01100000

`

Grave accent

97

141

61

01100001

a

Lowercase a

98

142

62

01100010

b

Lowercase b

99

143

63

01100011

c

Lowercase c

100

144

64

01100100

d

Lowercase d

101

145

65

01100101

e

Lowercase e

102

146

66

01100110

f

Lowercase f

103

147

67

01100111

g

Lowercase g

104

150

68

01101000

h

Lowercase h

105

151

69

01101001

i

Lowercase i

106

152

6A

01101010

j

Lowercase j

107

153

6B

01101011

k

Lowercase k

108

154

6C

01101100

l

Lowercase l

109

155

6D

01101101

m

Lowercase m

110

156

6E

01101110

n

Lowercase n

111

157

6F

01101111

o

Lowercase o

112

160

70

01110000

p

Lowercase p

113

161

71

01110001

q

Lowercase q

114

162

72

01110010

r

Lowercase r

115

163

73

01110011

s

Lowercase s

116

164

74

01110100

t

Lowercase t

117

165

75

01110101

u

Lowercase u

118

166

76

01110110

v

Lowercase v

119

167

77

01110111

w

Lowercase w

120

170

78

01111000

x

Lowercase x

121

171

79

01111001

y

Lowercase y

122

172

7A

01111010

z

Lowercase z

123

173

7B

01111011

{

Opening brace

124

174

7C

01111100

|

Vertical bar

125

175

7D

01111101

}

Closing brace

126

176

7E

01111110

~

Equivalency sign - tilde

127

177

7F

01111111


Delete

 

See "Special Keys" for codes for the function keys and arrow keys etc.

 

Last edited: 26 October, 2020