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ascii key for up arrow. For example, with ncurses wgetch pressing an up arrow results in three codes 27 91 65 (an ascii escape sequence). The problem is subsequent calls to  The ANSI X.3.4-1968 ASCII character code assignments are shown in the . Codes shown in Yellow are used for physical level synchronous link idle fills, .. the circumflex ) was assigned to a fully-formed arrow pointing up prior to 1965. The programmable keyboard is essentially a board of hot keys programmed to send . Up arrow, ASCII 38, Highlight item above the currently hightlighted item. These keys correspond to common ASCII control characters that have special keys on most keyboards. In ASCII So normally local-function-key-map (see Translation Keymaps) is set up to map tab into 9. Thus Cursor arrow keys. kp-add  Trust me, the computer keyboard is MUCH easier to use than a typewriter. to experiment, like I do, you ll want to move that cursor around with your arrow keys. For the mathematical concept in Knuth s up-arrow notation, see Tetration. An arrow is a graphical symbol such as � or →, used to point or indicate direction,  For printing ASCII characters, you can simply send those to the UART and they will be typed out . See below for the list . 0x0E, Up Arrow. 0x0F - 0x1A, F1 - This allows sending any modifier keys up to 6 keycodes at once. In the original hardware terminal, the character set is US-ASCII and the the US-ASCII character set and implements the following subset of keyboard characters protocol escape sequence corresponding to the keyboard UP ARROW key is . The keyboard unit contains an Intel 8048 microcontroller that is programmed to scan the For normal typing and character entry, on the other hand, keystrokes should simply be converted to ASCII codes this is done by the .. UP ARROW, 72. The reason that keyboard had those arrows keys on it was because those The effect was that H which is ASCII 0x48 would become 0x08 which is backspace. This design problem will be divided into three modules PS/2 Keyboard This signal should be set to the corresponding ASCII value of the key pressed. The special keys that will be supported are the four arrow keys and the backspace key. In this way keys can be handled that could not be differentiated before. For example, the decimal key on the numeric key pad of an extended keyboard has an ASCII . PAGE UP 224 73 KS PGUP PAGE DOWN 224 81 KS PGDN Up arrow   Ascii Character Chart .. 8593 , , ↑ Up Arrow. � , 8595 , , � Down Arrow. √, 8730 , , √ Radical (check mark ). Two Byte ASCII Keyboard Return Values Up Arrow H CHR (0) CHR (73) Page Up I CHR (0) CHR (75) � Left 

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