アスキーコード(ASCII CODE)
ASCII (American Standard Code for Information Interchange)の略。
ISO 646で定義された情報交換用米国標準コード。
7bit 128 文字で、
16進では「00〜1F,7F」の33文字が制御文字、
「20」がスペース、
「21〜7E」の94文字が印字可能な文字。
| | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
|---|
| 0 | NUL | DLE | SP | 0 | @ | P | ` | p |
| 1 | SOH | DC1 | ! | 1 | A | Q | a | q |
| 2 | STX | DC2 | " | 2 | B | R | b | r |
| 3 | ETX | DC3 | # | 3 | C | S | c | s |
| 4 | EOT | DC4 | $ | 4 | D | T | d | t |
| 5 | ENQ | NAK | % | 5 | E | U | e | u |
| 6 | ACK | SYN | & | 6 | F | V | f | v |
| 7 | BEL | ETB | ' | 7 | G | W | g | w |
| 8 | BS | CAN | ( | 8 | H | X | h | x |
| 9 | HT | EM | ) | 9 | I | Y | i | y |
| A | LF | SUB | * | : | J | Z | j | z |
| B | VT | ESC | + | ; | K | [ | k | { |
| C | FF | FS | , | < | L | \ | l | | |
| D | CR | GS | - | = | M | ] | m | } |
| E | SO | RS | . | > | N | ^ | n | ~ |
| F | SI | US | / | ? | O | _ | o | DEL |
制御文字 コントロールキャラクタ (Control Character)
| hex | dec | char | description |
|---|
| 00 | 0 | NUL | NULL |
| 01 | 1 | SOH | START OF HEADING |
| 02 | 2 | STX | START OF TEXT |
| 03 | 3 | ETX | END OF TEXT |
| 04 | 4 | EOT | END OF TRANSMISSION |
| 05 | 5 | ENQ | ENQUIRY |
| 06 | 6 | ACK | ACKNOWLEDGE |
| 07 | 7 | BEL | BELL |
| 08 | 8 | BS | BACKSPACE |
| 09 | 9 | HT | HORIZONAL TAB |
| 0A | 10 | LF | LINE FEED |
| 0B | 11 | VT | VERTICAL TAB |
| 0C | 12 | FF | FORM FEED |
| 0D | 13 | CR | CARRIAGE RETURN |
| 0E | 14 | SO | SHIFT OUT |
| 0F | 15 | SI | SHIFT IN |
| 10 | 16 | DLE | DATALINK ESCAPE |
| 11 | 17 | DC1 | DEVICE CONTROL ONE |
| 12 | 18 | DC2 | DEVICE CONTROL TWO |
| 13 | 19 | DC3 | DEVICE CONTROL THREE |
| 14 | 20 | DC4 | DEVICE CONTROL FOUR |
| 15 | 21 | NAK | NEGATIVE ACKNOWLEDGE |
| 16 | 22 | SYN | SYNCRONOUS IDLE |
| 17 | 23 | ETB | END OF TRANSMISSION BLOCK |
| 18 | 24 | CAN | CANCEL |
| 19 | 25 | EM | END OF MEDIUM |
| 1A | 26 | SUB | SUBSTITUTE |
| 1B | 27 | ESC | ESCAPE |
| 1C | 28 | FS | FILE SEPARATOR |
| 1D | 29 | GS | GROUP SEPARATOR |
| 1E | 30 | RS | RECORD SEPARATOR |
| 1F | 31 | US | UNIT SEPARATOR |
| 7F | 127 | DEL | DELETE |