ASCII: what changed

Old	New		Line
1		-	\
2		-	\
3	1		ASCII (American Standard Code for Information Interchange) is 7-bit character encoding.
4	2
5	3		ASCII reserves the first 32 codes (numbers 0–31 decimal) for control characters and 95 printable ASCII characters, numbered 32 to 126.
6	4
7	5		\| Dec \| [[Hexadecimal\|Hex]] \| [[Binary numeral system\|Binary]] \| ASCII codes \| Name \|
8	6		\|----\|----\|----\|----\|----\|
9	7		\| 0 \| \$00 \| %00000000 \| NUL \| Null character \|
10	8		\| 1 \| \$01 \| %00000001 \| SOH \| Start of header \|
11	9		\| 2 \| \$02 \| %00000010 \| STX \| Start of text \|
12	10		\| 3 \| \$03 \| %00000011 \| ETX \| End of text \|
13	11		\| 4 \| \$04 \| %00000100 \| EOT \| End of transmission \|
14	12		\| 5 \| \$05 \| %00000101 \| ENQ \| Enquiry \|
15	13		\| 6 \| \$06 \| %00000110 \| ACK \| Acknowledgment \|
16	14		\| 7 \| \$07 \| %00000111 \| BEL \| Bell \|
17	15		\| 8 \| \$08 \| %00001000 \| BS \| Backspace \|
18	16		\| 9 \| \$09 \| %00001001 \| HT \| Horizontal tab \|
19	17		\| 10 \| \$0A \| %00001010 \| LF \| [[Line feed]] \|
20	18		\| 11 \| \$0B \| %00001011 \| VT \| Vertical tab \|
21	19		\| 12 \| \$0C \| %00001100 \| FF \| Form feed \|
22	20		\| 13 \| \$0D \| %00001101 \| CR \| [[Carriage return]] \|
23	21		\| 14 \| \$0E \| %00001110 \| SO \| Shift out \|
24	22		\| 15 \| \$0F \| %00001111 \| SI \| Shift in \|
25	23		\| 16 \| \$10 \| %00010000 \| DLE \| Data link escape \|
26	24		\| 17 \| \$11 \| %00010001 \| DC1 \| Device control 1 \|
27	25		\| 18 \| \$12 \| %00010010 \| DC2 \| Device control 2 \|
28	26		\| 19 \| \$13 \| %00010011 \| DC3 \| Device control 3 \|
29	27		\| 20 \| \$14 \| %00010100 \| DC4 \| Device control 4 \|
30	28		\| 21 \| \$15 \| %00010101 \| NAK \| Negative acknowledgement \|
31	29		\| 22 \| \$16 \| %00010110 \| SYN \| Synchronous idle \|
32	30		\| 23 \| \$17 \| %00010111 \| ETB \| End of transmission block \|
33	31		\| 24 \| \$18 \| %00011000 \| CAN \| Cancel \|
34	32		\| 25 \| \$19 \| %00011001 \| EM \| End of medium \|
35	33		\| 26 \| \$1A \| %00011010 \| SUB \| Substitute \|
36	34		\| 27 \| \$1B \| %00011011 \| ESC \| Escape \|
37	35		\| 28 \| \$1C \| %00011100 \| FS \| File separator \|
38	36		\| 29 \| \$1D \| %00011101 \| GS \| Group separator \|
39	37		\| 30 \| \$1E \| %00011110 \| RS \| Record separator \|
40	38		\| 31 \| \$1F \| %00011111 \| US \| Unit separator \|
41	39		\| 32 \| \$20 \| %00100000 \| \| Space \|
42	40		\| 33 \| \$21 \| %00100001 \| ! \| [[!\|Exclamation mark]] \|
43	41		\| 34 \| \$22 \| %00100010 \| " \| Quotation mark \|
44	42		\| 35 \| \$23 \| %00100011 \| \# \| Number sign \|
45	43		\| 36 \| \$24 \| %00100100 \| \$ \| [[Dollar sign]] \|
46	44		\| 37 \| \$25 \| %00100101 \| % \| [[Percent sign]] \|
47	45		\| 38 \| \$26 \| %00100110 \| & \| [[&\|Ampersand]] \|
48	46		\| 39 \| \$27 \| %00100111 \| ' \| [[&\|Single quotation mark]] \|
49	47		\| 40 \| \$28 \| %00101000 \| ( \| Left parenthesis \|
50	48		\| 41 \| \$29 \| %00101001 \| ) \| Right parenthesis \|
51	49		\| 42 \| \$2A \| %00101010 \| * \| [[*\|Asterisk]] \|
52	50		\| 43 \| \$2B \| %00101011 \| + \| [[Plus]] sign \|
53	51		\| 44 \| \$2C \| %00101100 \| , \| [[Comma]] \|
54	52		\| 45 \| \$2D \| %00101101 \| - \| [[Minus]] sign \|
55	53		\| 46 \| \$2E \| %00101110 \| . \| [[period\|Period, decimal point, dot]] \|
56	54		\| 47 \| \$2F \| %00101111 \| / \| [[Slash]] \|
57	55		\| 48 \| \$30 \| %00110000 \| 0 \| Digit 0 \|
58	56		\| 49 \| \$31 \| %00110001 \| 1 \| Digit 1 \|
59	57		\| 50 \| \$32 \| %00110010 \| 2 \| Digit 2 \|
60	58		\| 51 \| \$33 \| %00110011 \| 3 \| Digit 3 \|
61	59		\| 52 \| \$34 \| %00110100 \| 4 \| Digit 4 \|
62	60		\| 53 \| \$35 \| %00110101 \| 5 \| Digit 5 \|
63	61		\| 54 \| \$36 \| %00110110 \| 6 \| Digit 6 \|
64	62		\| 55 \| \$37 \| %00110111 \| 7 \| Digit 7 \|
65	63		\| 56 \| \$38 \| %00111000 \| 8 \| Digit 8 \|
66	64		\| 57 \| \$39 \| %00111001 \| 9 \| Digit 9 \|
67	65		\| 58 \| \$3A \| %00111010 \| : \| [[Colon]] \|
68	66		\| 59 \| \$3B \| %00111011 \| ; \| [[;\|Semicolon]] \|
69	67		\| 60 \| \$3C \| %00111100 \| \< \| [[Less than]] \|
70	68		\| 61 \| \$3D \| %00111101 \| = \| [[Equal]] \|
71	69		\| 62 \| \$3E \| %00111110 \| \> \| [[Greater than]] \|
72	70		\| 63 \| \$3F \| %00111111 \| ? \| Question mark \|
73	71		\| 64 \| \$40 \| %01000000 \| @ \| [[@\|AT sign]] \|
74	72		\| 65 \| \$41 \| %01000001 \| A \| Latin capital letter A \|
75	73		\| 66 \| \$42 \| %01000010 \| B \| Latin capital letter B \|
76	74		\| 67 \| \$43 \| %01000011 \| C \| Latin capital letter C \|
77	75		\| 68 \| \$44 \| %01000100 \| D \| Latin capital letter D \|
78	76		\| 69 \| \$45 \| %01000101 \| E \| Latin capital letter E \|
79	77		\| 70 \| \$46 \| %01000110 \| F \| Latin capital letter F \|
80	78		\| 71 \| \$47 \| %01000111 \| G \| Latin capital letter G \|
81	79		\| 72 \| \$48 \| %01001000 \| H \| Latin capital letter H \|
82	80		\| 73 \| \$49 \| %01001001 \| I \| Latin capital letter I \|
83	81		\| 74 \| \$4A \| %01001010 \| J \| Latin capital letter J \|
84	82		\| 75 \| \$4B \| %01001011 \| K \| Latin capital letter K \|
85	83		\| 76 \| \$4C \| %01001100 \| L \| Latin capital letter L \|
86	84		\| 77 \| \$4D \| %01001101 \| M \| Latin capital letter M \|
87	85		\| 78 \| \$4E \| %01001110 \| N \| Latin capital letter N \|
88	86		\| 79 \| \$4F \| %01001111 \| O \| Latin capital letter O \|
89	87		\| 80 \| \$50 \| %01010000 \| P \| Latin capital letter P \|
90	88		\| 81 \| \$51 \| %01010001 \| Q \| Latin capital letter Q \|
91	89		\| 82 \| \$52 \| %01010010 \| R \| Latin capital letter R \|
92	90		\| 83 \| \$53 \| %01010011 \| S \| Latin capital letter S \|
93	91		\| 84 \| \$54 \| %01010100 \| T \| Latin capital letter T \|
94	92		\| 85 \| \$55 \| %01010101 \| U \| Latin capital letter U \|
95	93		\| 86 \| \$56 \| %01010110 \| V \| Latin capital letter V \|
96	94		\| 87 \| \$57 \| %01010111 \| W \| Latin capital letter W \|
97	95		\| 88 \| \$58 \| %01011000 \| X \| Latin capital letter X \|
98	96		\| 89 \| \$59 \| %01011001 \| Y \| Latin capital letter Y \|
99	97		\| 90 \| \$5A \| %01011010 \| Z \| Latin capital letter Z \|
100	98		\| 91 \| \$5B \| %01011011 \| \[ \| Left [[square brackets\|square bracket]] \|
101	99		\| 92 \| \$5C \| %01011100 \| \\ \| Backslash \|
102	100		\| 93 \| \$5D \| %01011101 \| \] \| Right [[square brackets\|square bracket]] \|
103	101		\| 94 \| \$5E \| %01011110 \| ^ \| [[^\|Circumflex accent]] \|
104	102		\| 95 \| \$5F \| %01011111 \| _ \| [[Underscore]] \|
105	103		\| 96 \| \$60 \| %01100000 \| \` \| Grave accent \|
106	104		\| 97 \| \$61 \| %01100001 \| a \| Latin small letter a \|
107	105		\| 98 \| \$62 \| %01100010 \| b \| Latin small letter b \|
108	106		\| 99 \| \$63 \| %01100011 \| c \| Latin small letter c \|
109	107		\| 100 \| \$64 \| %01100100 \| d \| Latin small letter d \|
110	108		\| 101 \| \$65 \| %01100101 \| e \| Latin small letter e \|
111	109		\| 102 \| \$66 \| %01100110 \| f \| Latin small letter f \|
112	110		\| 103 \| \$67 \| %01100111 \| g \| Latin small letter g \|
113	111		\| 104 \| \$68 \| %01101000 \| h \| Latin small letter h \|
114	112		\| 105 \| \$69 \| %01101001 \| i \| Latin small letter i \|
115	113		\| 106 \| \$6A \| %01101010 \| j \| Latin small letter j \|
116	114		\| 107 \| \$6B \| %01101011 \| k \| Latin small letter k \|
117	115		\| 108 \| \$6C \| %01101100 \| l \| Latin small letter l \|
118	116		\| 109 \| \$6D \| %01101101 \| m \| Latin small letter m \|
119	117		\| 110 \| \$6E \| %01101110 \| n \| Latin small letter n \|
120	118		\| 111 \| \$6F \| %01101111 \| o \| Latin small letter o \|
121	119		\| 112 \| \$70 \| %01110000 \| p \| Latin small letter p \|
122	120		\| 113 \| \$71 \| %01110001 \| q \| Latin small letter q \|
123	121		\| 114 \| \$72 \| %01110010 \| r \| Latin small letter r \|
124	122		\| 115 \| \$73 \| %01110111 \| s \| Latin small letter s \|
125	123		\| 116 \| \$74 \| %01110100 \| t \| Latin small letter t \|
126	124		\| 117 \| \$75 \| %01110101 \| u \| Latin small letter u \|
127	125		\| 118 \| \$76 \| %01110110 \| v \| Latin small letter v \|
128	126		\| 119 \| \$77 \| %01110111 \| w \| Latin small letter w \|
129	127		\| 120 \| \$78 \| %01111000 \| x \| Latin small letter x \|
130	128		\| 121 \| \$79 \| %01111001 \| y \| Latin small letter y \|
131	129		\| 122 \| \$7A \| %01111010 \| z \| Latin small letter z \|
132	130		\| 123 \| \$7B \| %01111011 \| { \| [[Left curly bracket]] \|
133	131		\| 124 \| \$7C \| %01111100 \| \\| \| Vertical line \|
134	132		\| 125 \| \$7D \| %01111101 \| } \| Right curly bracket \|
135	133		\| 126 \| \$7E \| %01111110 \| ~ \| Tilde \|
136	134		\| 127 \| \$7F \| %01111111 \| Del \| Delete \|
137	135
138	136		ASCII Table
139		-
140		-	\
141		-	\
142	137
143	138		---
144	139		From the Free Pascal wiki, page "ASCII", as it stood on 2019-11-18 after a change by Djzepi, out of the wiki's dump of 2024-05-26. Copyright stays with the author who wrote it, according to the old wiki's [[Licensing]] page. If you have concerns about this material, [message the admin](/wiki-contact).

3

1

ASCII (American Standard Code for Information Interchange) is 7-bit character encoding.

4

2

5

3

ASCII reserves the first 32 codes (numbers 0–31 decimal) for control characters and 95 printable ASCII characters, numbered 32 to 126.

6

4

7

5

8

6

|----|----|----|----|----|

9

7

| 0 | \$00 | %00000000 | NUL | Null character |

10

8

| 1 | \$01 | %00000001 | SOH | Start of header |

11

9

| 2 | \$02 | %00000010 | STX | Start of text |

12

10

| 3 | \$03 | %00000011 | ETX | End of text |

13

11

| 4 | \$04 | %00000100 | EOT | End of transmission |

14

12

| 5 | \$05 | %00000101 | ENQ | Enquiry |

15

13

| 6 | \$06 | %00000110 | ACK | Acknowledgment |

16

14

| 7 | \$07 | %00000111 | BEL | Bell |

17

15

| 8 | \$08 | %00001000 | BS | Backspace |

18

16

| 9 | \$09 | %00001001 | HT | Horizontal tab |

19

17

| 10 | \$0A | %00001010 | LF | [[Line feed]] |

20

18

| 11 | \$0B | %00001011 | VT | Vertical tab |

21

19

| 12 | \$0C | %00001100 | FF | Form feed |

22

20

| 13 | \$0D | %00001101 | CR | [[Carriage return]] |

23

21

| 14 | \$0E | %00001110 | SO | Shift out |

24

22

| 15 | \$0F | %00001111 | SI | Shift in |

25

23

| 16 | \$10 | %00010000 | DLE | Data link escape |

26

24

| 17 | \$11 | %00010001 | DC1 | Device control 1 |

27

25

| 18 | \$12 | %00010010 | DC2 | Device control 2 |

28

26

| 19 | \$13 | %00010011 | DC3 | Device control 3 |

29

27

| 20 | \$14 | %00010100 | DC4 | Device control 4 |

30

28

| 21 | \$15 | %00010101 | NAK | Negative acknowledgement |

31

29

| 22 | \$16 | %00010110 | SYN | Synchronous idle |

32

30

| 23 | \$17 | %00010111 | ETB | End of transmission block |

33

31

| 24 | \$18 | %00011000 | CAN | Cancel |

34

32

| 25 | \$19 | %00011001 | EM | End of medium |

35

33

| 26 | \$1A | %00011010 | SUB | Substitute |

36

34

| 27 | \$1B | %00011011 | ESC | Escape |

37

35

| 28 | \$1C | %00011100 | FS | File separator |

38

36

| 29 | \$1D | %00011101 | GS | Group separator |

39

37

| 30 | \$1E | %00011110 | RS | Record separator |

40

38

| 31 | \$1F | %00011111 | US | Unit separator |

41

39

| 32 | \$20 | %00100000 | | Space |

42

40

| 33 | \$21 | %00100001 | ! | [[!|Exclamation mark]] |

43

41

| 34 | \$22 | %00100010 | " | Quotation mark |

44

42

| 35 | \$23 | %00100011 | \# | Number sign |

45

43

| 36 | \$24 | %00100100 | \$ | [[Dollar sign]] |

46

44

| 37 | \$25 | %00100101 | % | [[Percent sign]] |

47

45

| 38 | \$26 | %00100110 | & | [[&|Ampersand]] |

48

46

| 39 | \$27 | %00100111 | ' | [[&|Single quotation mark]] |

49

47

| 40 | \$28 | %00101000 | ( | Left parenthesis |

50

48

| 41 | \$29 | %00101001 | ) | Right parenthesis |

51

49

| 42 | \$2A | %00101010 | * | [[*|Asterisk]] |

52

50

| 43 | \$2B | %00101011 | + | [[Plus]] sign |

53

51

| 44 | \$2C | %00101100 | , | [[Comma]] |

54

52

| 45 | \$2D | %00101101 | - | [[Minus]] sign |

55

53

| 46 | \$2E | %00101110 | . | [[period|Period, decimal point, dot]] |

56

54

| 47 | \$2F | %00101111 | / | [[Slash]] |

57

55

| 48 | \$30 | %00110000 | 0 | Digit 0 |

58

56

| 49 | \$31 | %00110001 | 1 | Digit 1 |

59

57

| 50 | \$32 | %00110010 | 2 | Digit 2 |

60

58

| 51 | \$33 | %00110011 | 3 | Digit 3 |

61

59

| 52 | \$34 | %00110100 | 4 | Digit 4 |

62

60

| 53 | \$35 | %00110101 | 5 | Digit 5 |

63

61

| 54 | \$36 | %00110110 | 6 | Digit 6 |

64

62

| 55 | \$37 | %00110111 | 7 | Digit 7 |

65

63

| 56 | \$38 | %00111000 | 8 | Digit 8 |

66

64

| 57 | \$39 | %00111001 | 9 | Digit 9 |

67

65

| 58 | \$3A | %00111010 | : | [[Colon]] |

68

66

| 59 | \$3B | %00111011 | ; | [[;|Semicolon]] |

69

67

| 60 | \$3C | %00111100 | \< | [[Less than]] |

70

68

| 61 | \$3D | %00111101 | = | [[Equal]] |

71

69

| 62 | \$3E | %00111110 | \> | [[Greater than]] |

72

70

| 63 | \$3F | %00111111 | ? | Question mark |

73

71

| 64 | \$40 | %01000000 | @ | [[@|AT sign]] |

74

72

| 65 | \$41 | %01000001 | A | Latin capital letter A |

75

73

| 66 | \$42 | %01000010 | B | Latin capital letter B |

76

74

| 67 | \$43 | %01000011 | C | Latin capital letter C |

77

75

| 68 | \$44 | %01000100 | D | Latin capital letter D |

78

76

| 69 | \$45 | %01000101 | E | Latin capital letter E |

79

77

| 70 | \$46 | %01000110 | F | Latin capital letter F |

80

78

| 71 | \$47 | %01000111 | G | Latin capital letter G |

81

79

| 72 | \$48 | %01001000 | H | Latin capital letter H |

82

80

| 73 | \$49 | %01001001 | I | Latin capital letter I |

83

81

| 74 | \$4A | %01001010 | J | Latin capital letter J |

84

82

| 75 | \$4B | %01001011 | K | Latin capital letter K |

85

83

| 76 | \$4C | %01001100 | L | Latin capital letter L |

86

84

| 77 | \$4D | %01001101 | M | Latin capital letter M |

87

85

| 78 | \$4E | %01001110 | N | Latin capital letter N |

88

86

| 79 | \$4F | %01001111 | O | Latin capital letter O |

89

87

| 80 | \$50 | %01010000 | P | Latin capital letter P |

90

88

| 81 | \$51 | %01010001 | Q | Latin capital letter Q |

91

89

| 82 | \$52 | %01010010 | R | Latin capital letter R |

92

90

| 83 | \$53 | %01010011 | S | Latin capital letter S |

93

91

| 84 | \$54 | %01010100 | T | Latin capital letter T |

94

92

| 85 | \$55 | %01010101 | U | Latin capital letter U |

95

93

| 86 | \$56 | %01010110 | V | Latin capital letter V |

96

94

| 87 | \$57 | %01010111 | W | Latin capital letter W |

97

95

| 88 | \$58 | %01011000 | X | Latin capital letter X |

98

96

| 89 | \$59 | %01011001 | Y | Latin capital letter Y |

99

97

| 90 | \$5A | %01011010 | Z | Latin capital letter Z |

100

98

| 91 | \$5B | %01011011 | \[ | Left [[square brackets|square bracket]] |

101

99

| 92 | \$5C | %01011100 | \\ | Backslash |

102

100

| 93 | \$5D | %01011101 | \] | Right [[square brackets|square bracket]] |

103

101

| 94 | \$5E | %01011110 | ^ | [[^|Circumflex accent]] |

104

102

| 95 | \$5F | %01011111 | _ | [[Underscore]] |

105

103

| 96 | \$60 | %01100000 | \` | Grave accent |

106

104

| 97 | \$61 | %01100001 | a | Latin small letter a |

107

105

| 98 | \$62 | %01100010 | b | Latin small letter b |

108

106

| 99 | \$63 | %01100011 | c | Latin small letter c |

109

107

| 100 | \$64 | %01100100 | d | Latin small letter d |

110

108

| 101 | \$65 | %01100101 | e | Latin small letter e |

111

109

| 102 | \$66 | %01100110 | f | Latin small letter f |

112

110

| 103 | \$67 | %01100111 | g | Latin small letter g |

113

111

| 104 | \$68 | %01101000 | h | Latin small letter h |

114

112

| 105 | \$69 | %01101001 | i | Latin small letter i |

115

113

| 106 | \$6A | %01101010 | j | Latin small letter j |

116

114

| 107 | \$6B | %01101011 | k | Latin small letter k |

117

115

| 108 | \$6C | %01101100 | l | Latin small letter l |

118

116

| 109 | \$6D | %01101101 | m | Latin small letter m |

119

117

| 110 | \$6E | %01101110 | n | Latin small letter n |

120

118

| 111 | \$6F | %01101111 | o | Latin small letter o |

121

119

| 112 | \$70 | %01110000 | p | Latin small letter p |

122

120

| 113 | \$71 | %01110001 | q | Latin small letter q |

123

121

| 114 | \$72 | %01110010 | r | Latin small letter r |

124

122

| 115 | \$73 | %01110111 | s | Latin small letter s |

125

123

| 116 | \$74 | %01110100 | t | Latin small letter t |

126

124

| 117 | \$75 | %01110101 | u | Latin small letter u |

127

125

| 118 | \$76 | %01110110 | v | Latin small letter v |

128

126

| 119 | \$77 | %01110111 | w | Latin small letter w |

129

127

| 120 | \$78 | %01111000 | x | Latin small letter x |

130

128

| 121 | \$79 | %01111001 | y | Latin small letter y |

131

129

| 122 | \$7A | %01111010 | z | Latin small letter z |

132

130

| 123 | \$7B | %01111011 | { | [[Left curly bracket]] |

133

131

| 124 | \$7C | %01111100 | \| | Vertical line |

134

132

| 125 | \$7D | %01111101 | } | Right curly bracket |

135

133

| 126 | \$7E | %01111110 | ~ | Tilde |

136

134

| 127 | \$7F | %01111111 | Del | Delete |

137

135

138

136

ASCII Table

142

137

143

138

---

144

139

*From the Free Pascal wiki, page "ASCII", as it stood on 2019-11-18 after a change by Djzepi, out of the wiki's dump of 2024-05-26. Copyright stays with the author who wrote it, according to the old wiki's [[Licensing]] page. If you have concerns about this material, [message the admin](/wiki-contact).*