Dec | Hex | Oct | Binary | Char | Description |
---|---|---|---|---|---|
0000 | 0000 | 0000 | 00000000 | NUL | Null Character |
0001 | 0001 | 0001 | 00000001 | SOH | Start of Header |
0002 | 0002 | 0002 | 00000010 | STX | Start of Text |
0003 | 0003 | 0003 | 00000011 | ETX | End of Text |
0004 | 0004 | 0004 | 00000100 | EOT | End of Transmission |
0005 | 0005 | 0005 | 00000101 | ENQ | Enquiry |
0006 | 0006 | 0006 | 00000110 | ACK | Acknowledgement |
0007 | 0007 | 0007 | 00000111 | BEL | Bell |
0008 | 0008 | 0010 | 00001000 | BS | Backspace |
0009 | 0009 | 0011 | 00001001 | HT | Horizontal Tab |
0010 | 000A | 0012 | 00001010 | LF | Line Feed |
0011 | 000B | 0013 | 00001011 | VT | Vertical Tab |
0012 | 000C | 0014 | 00001100 | FF | Form Feed |
0013 | 000D | 0015 | 00001101 | CR | Cariage Return |
0014 | 000E | 0016 | 00001110 | SO | Shift Out |
0015 | 000F | 0017 | 00001111 | SI | Shift In |
0016 | 0010 | 0020 | 00010000 | DLE | Data Link Escape |
0017 | 0011 | 0021 | 00010001 | DC1 | Device Control 1 (XON) |
0018 | 0012 | 0022 | 00010010 | DC2 | Device Control 2 |
0019 | 0013 | 0023 | 00010011 | DC3 | Device Control 3 (XOFF) |
0020 | 0014 | 0024 | 00010100 | DC4 | Device Control 4 |
0021 | 0015 | 0025 | 00010101 | NAK | Negative Acknowledgement |
0022 | 0016 | 0026 | 00010110 | SYN | Synchronous Idle |
0023 | 0017 | 0027 | 00010111 | ETB | End of Trans. Block |
0024 | 0018 | 0030 | 00011000 | CAN | Cancel |
0025 | 0019 | 0031 | 00011001 | EM | End of Medium |
0026 | 001A | 0032 | 00011010 | SUB | Substitute |
0027 | 001B | 0033 | 00011011 | ESC | Escape |
0028 | 001C | 0034 | 00011100 | FS | File Separator |
0029 | 001D | 0035 | 00011101 | GS | Group Separator |
0030 | 001E | 0036 | 00011110 | RS | Request to Send / Rec Sep |
0031 | 001F | 0037 | 00011111 | US | Unit Separator |
0032 | 0020 | 0040 | 00100000 | SP | Space |
0033 | 0021 | 0041 | 00100001 | ! | |
0034 | 0022 | 0042 | 00100010 | " | |
0035 | 0023 | 0043 | 00100011 | # | |
0036 | 0024 | 0044 | 00100100 | $ | |
0037 | 0025 | 0045 | 00100101 | % | |
0038 | 0026 | 0046 | 00100110 | & | |
0039 | 0027 | 0047 | 00100111 | ' | |
0040 | 0028 | 0050 | 00101000 | ( | |
0041 | 0029 | 0051 | 00101001 | ) | |
0042 | 002A | 0052 | 00101010 | * | |
0043 | 002B | 0053 | 00101011 | + | |
0044 | 002C | 0054 | 00101100 | , | |
0045 | 002D | 0055 | 00101101 | - | |
0046 | 002E | 0056 | 00101110 | . | |
0047 | 002F | 0057 | 00101111 | / | |
0048 | 0030 | 0060 | 00110000 | 0 | |
0049 | 0031 | 0061 | 00110001 | 1 | |
0050 | 0032 | 0062 | 00110010 | 2 | |
0051 | 0033 | 0063 | 00110011 | 3 | |
0052 | 0034 | 0064 | 00110100 | 4 | |
0053 | 0035 | 0065 | 00110101 | 5 | |
0054 | 0036 | 0066 | 00110110 | 6 | |
0055 | 0037 | 0067 | 00110111 | 7 | |
0056 | 0038 | 0070 | 00111000 | 8 | |
0057 | 0039 | 0071 | 00111001 | 9 | |
0058 | 003A | 0072 | 00111010 | : | |
0059 | 003B | 0073 | 00111011 | ; | |
0060 | 003C | 0074 | 00111100 | < | |
0061 | 003D | 0075 | 00111101 | = | |
0062 | 003E | 0076 | 00111110 | > | |
0063 | 003F | 0077 | 00111111 | ? | |
0064 | 0040 | 0100 | 01000000 | @ | |
0065 | 0041 | 0101 | 01000001 | A | |
0066 | 0042 | 0102 | 01000010 | B | |
0067 | 0043 | 0103 | 01000011 | C | |
0068 | 0044 | 0104 | 01000100 | D | |
0069 | 0045 | 0105 | 01000101 | E | |
0070 | 0046 | 0106 | 01000110 | F | |
0071 | 0047 | 0107 | 01000111 | G | |
0072 | 0048 | 0110 | 01001000 | H | |
0073 | 0049 | 0111 | 01001001 | I | |
0074 | 004A | 0112 | 01001010 | J | |
0075 | 004B | 0113 | 01001011 | K | |
0076 | 004C | 0114 | 01001100 | L | |
0077 | 004D | 0115 | 01001101 | M | |
0078 | 004E | 0116 | 01001110 | N | |
0079 | 004F | 0117 | 01001111 | O | |
0080 | 0050 | 0120 | 01010000 | P | |
0081 | 0051 | 0121 | 01010001 | Q | |
0082 | 0052 | 0122 | 01010010 | R | |
0083 | 0053 | 0123 | 01010011 | S | |
0084 | 0054 | 0124 | 01010100 | T | |
0085 | 0055 | 0125 | 01010101 | U | |
0086 | 0056 | 0126 | 01010110 | V | |
0087 | 0057 | 0127 | 01010111 | W | |
0088 | 0058 | 0130 | 01011000 | X | |
0089 | 0059 | 0131 | 01011001 | Y | |
0090 | 005A | 0132 | 01011010 | Z | |
0091 | 005B | 0133 | 01011011 | [ | |
0092 | 005C | 0134 | 01011100 | \ | |
0093 | 005D | 0135 | 01011101 | ] | |
0094 | 005E | 0136 | 01011110 | ^ | |
0095 | 005F | 0137 | 01011111 | _ | |
0096 | 0060 | 0140 | 01100000 | ` | |
0097 | 0061 | 0141 | 01100001 | a | |
0098 | 0062 | 0142 | 01100010 | b | |
0099 | 0063 | 0143 | 01100011 | c | |
0100 | 0064 | 0144 | 01100100 | d | |
0101 | 0065 | 0145 | 01100101 | e | |
0102 | 0066 | 0146 | 01100110 | f | |
0103 | 0067 | 0147 | 01100111 | g | |
0104 | 0068 | 0150 | 01101000 | h | |
0105 | 0069 | 0151 | 01101001 | i | |
0106 | 006A | 0152 | 01101010 | j | |
0107 | 006B | 0153 | 01101011 | k | |
0108 | 006C | 0154 | 01101100 | l | |
0109 | 006D | 0155 | 01101101 | m | |
0110 | 006E | 0156 | 01101110 | n | |
0111 | 006F | 0157 | 01101111 | o | |
0112 | 0070 | 0160 | 01110000 | p | |
0113 | 0071 | 0161 | 01110001 | q | |
0114 | 0072 | 0162 | 01110010 | r | |
0115 | 0073 | 0163 | 01110011 | s | |
0116 | 0074 | 0164 | 01110100 | t | |
0117 | 0075 | 0165 | 01110101 | u | |
0118 | 0076 | 0166 | 01110110 | v | |
0119 | 0077 | 0167 | 01110111 | w | |
0120 | 0078 | 0170 | 01111000 | x | |
0121 | 0079 | 0171 | 01111001 | y | |
0122 | 007A | 0172 | 01111010 | z | |
0123 | 007B | 0173 | 01111011 | { | |
0124 | 007C | 0174 | 01111100 | ||
0125 | 007D | 0175 | 01111101 | } | |
0126 | 007E | 0176 | 01111110 | ~ | |
0127 | 007F | 0177 | 01111111 | DEL | Delete |
Last active
August 29, 2015 14:05
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<?php | |
// 0 to 32 are invisible characters | |
// Here are some hardcoded value names for them | |
$values = [ | |
['NUL' => 'Null Character'], | |
['SOH' => 'Start of Header'], | |
['STX' => 'Start of Text'], | |
['ETX' => 'End of Text'], | |
['EOT' => 'End of Transmission'], | |
['ENQ' => 'Enquiry'], | |
['ACK' => 'Acknowledgement'], | |
['BEL' => 'Bell'], | |
['BS' => 'Backspace'], | |
['HT' => 'Horizontal Tab'], | |
['LF' => 'Line Feed'], | |
['VT' => 'Vertical Tab'], | |
['FF' => 'Form Feed'], | |
['CR' => 'Cariage Return'], | |
['SO' => 'Shift Out'], | |
['SI' => 'Shift In'], | |
['DLE' => 'Data Link Escape'], | |
['DC1' => 'Device Control 1 (XON)'], | |
['DC2' => 'Device Control 2'], | |
['DC3' => 'Device Control 3 (XOFF)'], | |
['DC4' => 'Device Control 4'], | |
['NAK' => 'Negative Acknowledgement'], | |
['SYN' => 'Synchronous Idle'], | |
['ETB' => 'End of Trans. Block'], | |
['CAN' => 'Cancel'], | |
['EM' => 'End of Medium'], | |
['SUB' => 'Substitute'], | |
['ESC' => 'Escape'], | |
['FS' => 'File Separator'], | |
['GS' => 'Group Separator'], | |
['RS' => 'Request to Send / Rec Sep'], | |
['US' => 'Unit Separator'], | |
['SP' => 'Space'], | |
// Extras that need explanation | |
124 => ['|' => 'Pipe'], | |
127 => ['DEL' => 'Delete'] | |
]; | |
echo '| Dec | Hex | Oct | Binary | Char | Description |' . "\n"; | |
echo '|------|------|------|----------|-------|----------------------------------|' . "\n"; | |
for ($i = 0; $i < 128; $i++) { | |
$char = chr($i); | |
$description = ''; | |
if (isset($values[$i])) { | |
$data = $values[$i]; | |
$char = key($data); | |
$description = current($data); | |
} | |
printf("| %04d | %s | %04d | %08d | %s | %s |\n", | |
$i, | |
str_pad(strtoupper(dechex($i)), 4, '0', STR_PAD_LEFT), | |
decoct($i), | |
decbin($i), | |
str_pad($char, 5, ' ', STR_PAD_BOTH), | |
str_pad($description, 32) | |
); | |
} |
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