Code ASCII
Les caractères sont tous des valeurs de type entier, qui correspondent à un code.
Le code ASCII (American Standard Code For Information Interchange) est un jeu de caractères codés sur 7 bits, et son usage est très répandu pour la représentation de lettres et de symboles.
Il utilise donc les 128 premiers caractères du jeu de caractères ANSI, mais des codes ASCII étendus (codés sur 8bits) permettent un choix entre 256 valeurs, pour un usage national.
Les 33 premiers codes sont des codes système.
| Dec | Hex | Oct | HTML | Chr | En | Fr |
| 0 | #0h | 0x0 | � | >NUL | Rien | |
| 1 | #1h | 0x1 |  | SOH (Start Of Head) | Début de l'entête | |
| 2 | #2h | 0x2 |  | STX (Start of Text) | Début de texte | |
| 3 | #3h | 0x3 |  | ETX (End of Text) | Fin de texte | |
| 4 | #4h | 0x4 |  | EOT (End Of Transmission) | Fin de transmission | |
| 5 | #5h | 0x5 |  | ENQ (Enquiry demand) | ||
| 6 | #6h | 0x6 |  | ACK (Acknowledge) | Accusé de réception | |
| 7 | #7h | 0x7 |  | BEL (beep) | Avertissement sonore | |
| 8 | #8h | 0x10 |  | BS (Back Space) | Retour d'un caractère | |
| 9 | #9h | 0x11 | 	 | HT (Horizontal Tabulation) | Tabulation horizontale | |
| 10 | #ah | 0x12 | | LF (Line Feed) | Ejection d'une feuille | |
| 11 | #bh | 0x13 |  | VT (Vertical Tabulation) | Tabulation verticale | |
| 12 | #ch | 0x14 |  | FF (Form Feed) | Avancée de la feuille | |
| 13 | #dh | 0x15 | | CR (Carriage Return) | Retour Chariot (Enter) | |
| 14 | #eh | 0x16 |  | SO (Shift Out) | ||
| 15 | #fh | 0x17 |  | SI (Shift In) | ||
| 16 | #10h | 0x20 |  | DLE (Data Link Escape) | ||
| 17 | #11h | 0x21 |  | DC1 (Device Control 1) | ||
| 18 | #12h | 0x22 |  | DC2 | ||
| 19 | #13h | 0x23 |  | DC3 | ||
| 20 | #14h | 0x24 |  | DC4 | ||
| 21 | #15h | 0x25 |  | NACK (Negative ACK) | ||
| 22 | #16h | 0x26 |  | SYN (Synchronous) | ||
| 23 | #17h | 0x27 |  | ETB (End Transmission Block) | ||
| 24 | #18h | 0x30 |  | CAN (Cancel) | ||
| 25 | #19h | 0x31 |  | EM (End of Medium) | ||
| 26 | #1ah | 0x32 |  | SUB (Substitude) | ||
| 27 | #1bh | 0x33 |  | ESC (Escape) | ||
| 28 | #1ch | 0x34 |  | FS (File Separator) | ||
| 29 | #1dh | 0x35 |  | GS (Group Separator) | ||
| 30 | #1eh | 0x36 |  | RS (Record Separator) | ||
| 31 | #1fh | 0x37 |  | US (United Separator) | ||
| 32 | #20h | 0x40 |   | SP (Space) | ||
| 33 | #21h | 0x41 | ! | ! | ||
| 34 | #22h | 0x42 | " | " | ||
| 35 | #23h | 0x43 | # | # | ||
| 36 | #24h | 0x44 | $ | $ | ||
| 37 | #25h | 0x45 | % | % | ||
| 38 | #26h | 0x46 | & | & | ||
| 39 | #27h | 0x47 | ' | ' | ||
| 40 | #28h | 0x50 | ( | ( | ||
| 41 | #29h | 0x51 | ) | ) | ||
| 42 | #2ah | 0x52 | * | * | ||
| 43 | #2bh | 0x53 | + | + | ||
| 44 | #2ch | 0x54 | , | , | ||
| 45 | #2dh | 0x55 | - | - | ||
| 46 | #2eh | 0x56 | . | . | ||
| 47 | #2fh | 0x57 | / | / | ||
| 48 | #30h | 0x60 | 0 | 0 | ||
| 49 | #31h | 0x61 | 1 | 1 | ||
| 50 | #32h | 0x62 | 2 | 2 | ||
| 51 | #33h | 0x63 | 3 | 3 | ||
| 52 | #34h | 0x64 | 4 | 4 | ||
| 53 | #35h | 0x65 | 5 | 5 | ||
| 54 | #36h | 0x66 | 6 | 6 | ||
| 55 | #37h | 0x67 | 7 | 7 | ||
| 56 | #38h | 0x70 | 8 | 8 | ||
| 57 | #39h | 0x71 | 9 | 9 | ||
| 58 | #3ah | 0x72 | : | : | ||
| 59 | #3bh | 0x73 | ; | ; | ||
| 60 | #3ch | 0x74 | < | < | ||
| 61 | #3dh | 0x75 | = | = | ||
| 62 | #3eh | 0x76 | > | > | ||
| 63 | #3fh | 0x77 | ? | ? | ||
| 64 | #40h | 0x100 | @ | @ | ||
| 65 | #41h | 0x101 | A | A | ||
| 66 | #42h | 0x102 | B | B | ||
| 67 | #43h | 0x103 | C | C | ||
| 68 | #44h | 0x104 | D | D | ||
| 69 | #45h | 0x105 | E | E | ||
| 70 | #46h | 0x106 | F | F | ||
| 71 | #47h | 0x107 | G | G | ||
| 72 | #48h | 0x110 | H | H | ||
| 73 | #49h | 0x111 | I | I | ||
| 74 | #4ah | 0x112 | J | J | ||
| 75 | #4bh | 0x113 | K | K | ||
| 76 | #4ch | 0x114 | L | L | ||
| 77 | #4dh | 0x115 | M | M | ||
| 78 | #4eh | 0x116 | N | N | ||
| 79 | #4fh | 0x117 | O | O | ||
| 80 | #50h | 0x120 | P | P | ||
| 81 | #51h | 0x121 | Q | Q | ||
| 82 | #52h | 0x122 | R | R | ||
| 83 | #53h | 0x123 | S | S | ||
| 84 | #54h | 0x124 | T | T | ||
| 85 | #55h | 0x125 | U | U | ||
| 86 | #56h | 0x126 | V | V | ||
| 87 | #57h | 0x127 | W | W | ||
| 88 | #58h | 0x130 | X | X | ||
| 89 | #59h | 0x131 | Y | Y | ||
| 90 | #5ah | 0x132 | Z | Z | ||
| 91 | #5bh | 0x133 | [ | [ | ||
| 92 | #5ch | 0x134 | \ | \ | ||
| 93 | #5dh | 0x135 | ] | ] | ||
| 94 | #5eh | 0x136 | ^ | ^ | ||
| 95 | #5fh | 0x137 | _ | _ | ||
| 96 | #60h | 0x140 | ` | ` | ||
| 97 | #61h | 0x141 | a | a | ||
| 98 | #62h | 0x142 | b | b | ||
| 99 | #63h | 0x143 | c | c | ||
| 100 | #64h | 0x144 | d | d | ||
| 101 | #65h | 0x145 | e | e | ||
| 102 | #66h | 0x146 | f | f | ||
| 103 | #67h | 0x147 | g | g | ||
| 104 | #68h | 0x150 | h | h | ||
| 105 | #69h | 0x151 | i | i | ||
| 106 | #6ah | 0x152 | j | j | ||
| 107 | #6bh | 0x153 | k | k | ||
| 108 | #6ch | 0x154 | l | l | ||
| 109 | #6dh | 0x155 | m | m | ||
| 110 | #6eh | 0x156 | n | n | ||
| 111 | #6fh | 0x157 | o | o | ||
| 112 | #70h | 0x160 | p | p | ||
| 113 | #71h | 0x161 | q | q | ||
| 114 | #72h | 0x162 | r | r | ||
| 115 | #73h | 0x163 | s | s | ||
| 116 | #74h | 0x164 | t | t | ||
| 117 | #75h | 0x165 | u | u | ||
| 118 | #76h | 0x166 | v | v | ||
| 119 | #77h | 0x167 | w | w | ||
| 120 | #78h | 0x170 | x | x | ||
| 121 | #79h | 0x171 | y | y | ||
| 122 | #7ah | 0x172 | z | z | ||
| 123 | #7bh | 0x173 | { | { | ||
| 124 | #7ch | 0x174 | | | | | ||
| 125 | #7dh | 0x175 | } | } | ||
| 126 | #7eh | 0x176 | ~ | ~ | ||
| Dec | Hex | Oct | html | Chr | |
|---|---|---|---|---|---|
| 0 | #0h | 0x0 | � | >NUL | Rien |
| 1 | #1h | 0x1 |  | SOH (Start Of Head) | Début de l'entête |
| 2 | #2h | 0x2 |  | STX (Start of Text) | Début de texte |
| 3 | #3h | 0x3 |  | ETX (End of Text) | Fin de texte |
| 4 | #4h | 0x4 |  | EOT (End Of Transmission) | Fin de transmission |
| 5 | #5h | 0x5 |  | ENQ (Enquiry demand) | |
| 6 | #6h | 0x6 |  | ACK (Acknowledge) | Accusé de réception |
| 7 | #7h | 0x7 |  | BEL (beep) | Avertissement sonore |
| 8 | #8h | 0x10 |  | BS (Back Space) | Retour d'un caractère |
| 9 | #9h | 0x11 | 	 | HT (Horizontal Tabulation) | Tabulation horizontale |
| 10 | #ah | 0x12 | | LF (Line Feed) | Ejection d'une feuille |
| 11 | #bh | 0x13 |  | VT (Vertical Tabulation) | Tabulation verticale |
| 12 | #ch | 0x14 |  | FF (Form Feed) | Avancée de la feuille |
| 13 | #dh | 0x15 | | CR (Carriage Return) | Retour Chariot (Enter) |
| 14 | #eh | 0x16 |  | SO (Shift Out) | |
| 15 | #fh | 0x17 |  | SI (Shift In) | |
| 16 | #10h | 0x20 |  | DLE (Data Link Escape) | |
| 17 | #11h | 0x21 |  | DC1 (Device Control 1) | |
| 18 | #12h | 0x22 |  | DC2 | |
| 19 | #13h | 0x23 |  | DC3 | |
| 20 | #14h | 0x24 |  | DC4 | |
| 21 | #15h | 0x25 |  | NACK (Negative ACK) | |
| 22 | #16h | 0x26 |  | SYN (Synchronous) | |
| 23 | #17h | 0x27 |  | ETB (End Transmission Block) | |
| 24 | #18h | 0x30 |  | CAN (Cancel) | |
| 25 | #19h | 0x31 |  | EM (End of Medium) | |
| 26 | #1ah | 0x32 |  | SUB (Substitude) | |
| 27 | #1bh | 0x33 |  | ESC (Escape) | |
| 28 | #1ch | 0x34 |  | FS (File Separator) | |
| 29 | #1dh | 0x35 |  | GS (Group Separator) | |
| 30 | #1eh | 0x36 |  | RS (Record Separator) | |
| 31 | #1fh | 0x37 |  | US (United Separator) | |
| 32 | #20h | 0x40 |   | SP (Space) | |
| Dec | Hex | Oct | html | Chr | Dec | Hex | Oct | html | Chr | Dec | Hex | Oct | html | Chr | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 33 | #21h | 0x41 | ! | ! | 65 | #41h | 0x101 | A | A | 97 | #61h | 0x141 | a | a | ||
| 34 | #22h | 0x42 | " | " | 66 | #42h | 0x102 | B | B | 98 | #62h | 0x142 | b | b | ||
| 35 | #23h | 0x43 | # | # | 67 | #43h | 0x103 | C | C | 99 | #63h | 0x143 | c | c | ||
| 36 | #24h | 0x44 | $ | $ | 68 | #44h | 0x104 | D | D | 100 | #64h | 0x144 | d | d | ||
| 37 | #25h | 0x45 | % | % | 69 | #45h | 0x105 | E | E | 101 | #65h | 0x145 | e | e | ||
| 38 | #26h | 0x46 | & | & | 70 | #46h | 0x106 | F | F | 102 | #66h | 0x146 | f | f | ||
| 39 | #27h | 0x47 | ' | ' | 71 | #47h | 0x107 | G | G | 103 | #67h | 0x147 | g | g | ||
| 40 | #28h | 0x50 | ( | ( | 72 | #48h | 0x110 | H | H | 104 | #68h | 0x150 | h | h | ||
| 41 | #29h | 0x51 | ) | ) | 73 | #49h | 0x111 | I | I | 105 | #69h | 0x151 | i | i | ||
| 42 | #2ah | 0x52 | * | * | 74 | #4ah | 0x112 | J | J | 106 | #6ah | 0x152 | j | j | ||
| 43 | #2bh | 0x53 | + | + | 75 | #4bh | 0x113 | K | K | 107 | #6bh | 0x153 | k | k | ||
| 44 | #2ch | 0x54 | , | , | 76 | #4ch | 0x114 | L | L | 108 | #6ch | 0x154 | l | l | ||
| 45 | #2dh | 0x55 | - | - | 77 | #4dh | 0x115 | M | M | 109 | #6dh | 0x155 | m | m | ||
| 46 | #2eh | 0x56 | . | . | 78 | #4eh | 0x116 | N | N | 110 | #6eh | 0x156 | n | n | ||
| 47 | #2fh | 0x57 | / | / | 79 | #4fh | 0x117 | O | O | 111 | #6fh | 0x157 | o | o | ||
| 48 | #30h | 0x60 | 0 | 0 | 80 | #50h | 0x120 | P | P | 112 | #70h | 0x160 | p | p | ||
| 49 | #31h | 0x61 | 1 | 1 | 81 | #51h | 0x121 | Q | Q | 113 | #71h | 0x161 | q | q | ||
| 50 | #32h | 0x62 | 2 | 2 | 82 | #52h | 0x122 | R | R | 114 | #72h | 0x162 | r | r | ||
| 51 | #33h | 0x63 | 3 | 3 | 83 | #53h | 0x123 | S | S | 115 | #73h | 0x163 | s | s | ||
| 52 | #34h | 0x64 | 4 | 4 | 84 | #54h | 0x124 | T | T | 116 | #74h | 0x164 | t | t | ||
| 53 | #35h | 0x65 | 5 | 5 | 85 | #55h | 0x125 | U | U | 117 | #75h | 0x165 | u | u | ||
| 54 | #36h | 0x66 | 6 | 6 | 86 | #56h | 0x126 | V | V | 118 | #76h | 0x166 | v | v | ||
| 55 | #37h | 0x67 | 7 | 7 | 87 | #57h | 0x127 | W | W | 119 | #77h | 0x167 | w | w | ||
| 56 | #38h | 0x70 | 8 | 8 | 88 | #58h | 0x130 | X | X | 120 | #78h | 0x170 | x | x | ||
| 57 | #39h | 0x71 | 9 | 9 | 89 | #59h | 0x131 | Y | Y | 121 | #79h | 0x171 | y | y | ||
| 58 | #3ah | 0x72 | : | : | 90 | #5ah | 0x132 | Z | Z | 122 | #7ah | 0x172 | z | z | ||
| 59 | #3bh | 0x73 | ; | ; | 91 | #5bh | 0x133 | [ | [ | 123 | #7bh | 0x173 | { | { | ||
| 60 | #3ch | 0x74 | < | < | 92 | #5ch | 0x134 | \ | \ | 124 | #7ch | 0x174 | | | | | ||
| 61 | #3dh | 0x75 | = | = | 93 | #5dh | 0x135 | ] | ] | 125 | #7dh | 0x175 | } | } | ||
| 62 | #3eh | 0x76 | > | > | 94 | #5eh | 0x136 | ^ | ^ | 126 | #7eh | 0x176 | ~ | ~ | ||
| 63 | #3fh | 0x77 | ? | ? | 95 | #5fh | 0x137 | _ | _ | |||||||
| 64 | #40h | 0x100 | @ | @ | 96 | #60h | 0x140 | ` | ` |
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Bij voorbaat dank.
Document heeft de 19/03/2002 gemaakt, de laatste keer de 08/03/2020 gewijzigd
Bron van het afgedrukte document:https://www.gaudry.be/nl/code-ascii.html
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