In the collating sequence for ASCII characters, unlike EBCDIC, numbers precede letters.
Table C-1 ASCII Characters in Sequence
| DECIMAL VALUE | CONTROL | GRAPHIC | COMMENTS |
|---|
| 0 | NUL | @c | Null |
| 1 | SOH | Ac | Start of heading |
| 2 | STX | Bc | Start of text |
| 3 | ETX | Cc | End of text |
| 4 | EOT | Dc | End of transmission |
| 5 | ENQ | Ec | Enquiry |
| 6 | ACK | Fc | Acknowledge |
| 7 | BEL | Gc | Bell |
| 8 | BS | Hc | Backspace |
| 9 | HT | Ic | Horizontal tabualation |
| 10 | LF | Jc | Line feed |
| 11 | VT | Kc | Vertical tabulation |
| 12 | FF | Lc | Form feed |
| 13 | CR | Mc | Carriage return |
| 14 | SO | Nc | Shift out |
| 15 | SI | Oc | Shift in |
| 16 | DLE | Pc | Data link escape |
| 17 | DC1 | Qc | Device control 1 (X-ON) |
| 18 | DC2 | Rc | Device control 2 |
| 19 | DC3 | Sc | Device control 3 (X-OFF) |
| 20 | DC4 | Tc | Device control 4 |
| 21 | NAK | Uc | Negative acknowledge |
| 22 | SYN | Vc | Synchronous idle |
| 23 | ETB | Wc | End of transmission block |
| 24 | CAN | Xc | Cancel |
| 25 | EM | Yc | End of medium |
| 26 | SUB | Zc | Substitute |
| 27 | ESC | [c | Escape |
| 28 | FS | \c | File Separator |
| 29 | GS | ]c | Group Separator |
| 30 | RS | ^c | Record separator
|
| 31 | US | _c | Unit separator |
| 32 | SP | `c | Space (blank) |
| 33 | ! | ac | Exclamation point |
| 34 | " | bc | Quotation mark |
| 35 | # | cc | Number sign |
| 36 | $ | dc | Dollar sign |
| 37 | % | ec | Percent sign |
| 38 | & | fc | Ampersand |
| 39 | ' | gc | Apostrophe |
| 40 | ( | hc | Left parenthesis |
| 41 | ) | ic | Right parenthesis |
| 42 | * | jc | Asterisk |
| 43 | + | kc | Plus sign |
| 44 | , | lc | Comma |
| 45 | - | mc | Minus sign (hyphen) |
| 46 | . | nc | Decimal point (period) |
| 47 | / | oc | Slash |
| 48 | 0 | pc | Zero |
| 49 | 1 | qc | One |
| 50 | 2 | rc | Two |
| 51 | 3 | sc | Three |
| 52 | 4 | tc | Four |
| 53 | 5 | uc | Five |
| 54 | 6 | vc | Six |
| 55 | 7 | wc | Seven |
| 56 | 8 | xc | Eight |
| 57 | 9 | yc | Nine |
| 58 | : | zc | Colon |
| 59 | ; | {c | Semicolon |
| 60 | < | |c | Less than
|
| 61 | = | }c | Equals sign |
| 62 | > | ~c | Greater than |
| 63 | ? | DELc | Question mark |
| 64 | @ | | Commercial at |
| 65 | A | | Uppercase A |
| 66 | B | | Uppercase B |
| 67 | C | | Uppercase C |
| 68 | D | | Uppercase D |
| 69 | E | | Uppercase E |
| 70 | F | | Uppercase F |
| 71 | G | | Uppercase G |
| 72 | H | | Uppercase H |
| 73 | I | | Uppercase I |
| 74 | J | | Uppercase J |
| 75 | K | | Uppercase K |
| 76 | L | | Uppercase L |
| 77 | M | | Uppercase M |
| 78 | N | | Uppercase N |
| 79 | O | | Uppercase O |
| 80 | P | | Uppercase P |
| 81 | Q | | Uppercase Q |
| 82 | R | | Uppercase R |
| 83 | S | | Uppercase S |
| 84 | T | | Uppercase T |
| 85 | U | | Uppercase U |
| 86 | V | | Uppercase V |
| 87 | W | | Uppercase W |
| 88 | X | | Uppercase X |
| 89 | Y | | Uppercase Y |
| 90 | Z | | Uppercase Z
|
| 91 | [ | | Opening bracket |
| 92 | \ | | Reverse slant |
| 93 | ] | | Closing bracket |
| 94 | ^ | | Circumflex |
| 95 | _ | | Underscore |
| 96 | ` | | Grave accent |
| 97 | a | | Lowercase a |
| 98 | b | | Lowercase b |
| 99 | c | | Lowercase c |
| 100 | d | | Lowercase d |
| 101 | e | | Lowercase e |
| 102 | f | | Lowercase f |
| 103 | g | | Lowercase g |
| 104 | h | | Lowercase h |
| 105 | i | | Lowercase i |
| 106 | j | | Lowercase j |
| 107 | k | | Lowercase k |
| 108 | l | | Lowercase l |
| 109 | m | | Lowercase m |
| 110 | n | | Lowercase n |
| 111 | o | | Lowercase o |
| 112 | p | | Lowercase p |
| 113 | q | | Lowercase q |
| 114 | r | | Lowercase r |
| 115 | s | | Lowercase s |
| 116 | t | | Lowercase t |
| 117 | u | | Lowercase u |
| 118 | v | | Lowercase v |
| 119 | w | | Lowercase w |
| 120 | x | | Lowercase x |
| 121 | y | | Lowercase y |
| 122 | z | | Lowercase z |
| 123 | { | | Left brace |
| 124 | | | | Vertical line |
| 125 | } | | Right brace |
| 126 | ~ | | Tilde |
| 127 | DEL | | Delete
|
