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Scancodes on IBM PC compatible computer keyboards are sets of 1 to 3 bytes which are sent by the keyboard. Most character keys have a single byte scancode; keys that perform special functions have 2-byte or 3-byte scancodes, usually beginning with the byte (in hexadecimal) E0, E1, or E2.
This page lists codes for keyboard characters, the computer code values for common characters, such as the Unicode or HTML entity codes (see below: Table of HTML values"). There are also key chord combinations, such as keying an en dash ('–') by holding ALT+0150 on the numeric keypad of MS Windows computers. The HTML codes can be used where a ...
The BIOS keyboard driver produced Backspace when the backspace key was typed and NUL with scan code 0x53 when the delete key was typed. [8] In Windows the delete key maps to VK_DELETE (0x2E). [9] EGA/VGA fonts, as fonts used by Win32 console, usually have the "house" symbol ⌂ at 127 (0x7F) code point, see Code page 437 for details.
It’s easy to make any accent or symbol on a Windows keyboard once you’ve got the hang of alt key codes. If you’re using a desktop, your keyboard probably has a number pad off to the right ...
COMMAND. ACTION. CTRL + End. Scroll to the bottom. CTRL + Home. Scroll to the top. CTRL + A. Select all of the text in the line you’re on. Page Down. Move the cursor down a page
The standard encoding of the keyboard that offers the INT 16 h is a US keyboard. To adapt the coding of the INT 16h to another type of keyboard (for example, an international keyboard), the code must analyze the scan-code of the key pressed, and then perform suitable interpreting.
the presence and placement of one or two Alt keys, an AltGr key or Option key, a backspace or delete key, a control key or command key, a compose key, an Esc key, and OS-specific keys like the Windows key. The physical keyboard is of the basic ISO, ANSI, or JIS type; pressing a key sends a scan code to the operating-system or other software ...
When a key is pressed, released or held down, the keyboard sends a packet of information known as a scan code to the computer. [13] The protocol used to transmit these scan codes is a bidirectional serial communication, based on four wires: Vcc (5 volts), ground, data and clock. [13] Clock and data signals are identically generated.