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![]() GenChr.cmd - Generate an ASCII/Unicode character. ![]() “Why shouldn’t we give our teachers a license to obtain software, all software, any software, for nothing? Does anyone demand a licensing fee, each time a child is taught the alphabet?” ~ William Gibson Related:Ĭonvert between Binary, Decimal, Hex and Base 36. You may notice that these Ctrl Key shortcuts match the 3rd column of ASCII codes in the table. These keys work under most operating systems, but under Windows Ctrl+M will enter or exit 'Mark Mode' rather than produce the expected CR/Carriage Return. Ctrl+H will backspace over the last character typed. The control codes from 1 to 31 are not normally visible, so on Windows when entered using an ALT+ No., they will be auto-replaced with the Alt characters shown in the first table above.Ĭontrol codes can be also entered using an Esc or Ctrl key combination, e.g. In xterm you can send key combinations using the hex value, so to send Esc: \x1B Or press ALT + on the numeric keypad 1, then release ALT to get ASCII code 1 which displays as ☺ (actually Unicode U+263A). press ALT + on the numeric keypad 9+3, then release ALT to produce a ' ]' which is ASCII code 93. In Windows, hold down the ALT key, and type the code:Į.g. So, for example, Ctrl-SPACE, and Ctrl-` all mean the same thing: NUL. The Control key clears the top 3 binary bits of whatever character you type, mapping the bottom five bits to the 0.31 range. Some Extended ASCII codes from 128 - 256 are no longer in use because the original code pages varied by country/locale.īelow are the modern Unicode equivalents for the most common (Code 2/ANSI) characters: Dec Linux and MacOS LF Line Ending is Chr(10) - very early versions of Mac OSX did use CR/Chr(13) Extended ASCII/ANSI Windows CR+LF Line Ending is Chr(13) followed by Chr(10) - in PowerShell `r`n. Adding 32 (or flipping the sixth bit) will convert an upper case letter to lower case. ASCII is a character encoding standard used to store characters and basic punctuation as numeric values.ĪSCII codes from 0 - 127 are identical to Unicode.
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