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The DEC VT100 video display terminal. The first popular video terminal to support these sequences was the Digital VT100 , introduced in 1978. [ 2 ] This model was very successful in the market, which sparked a variety of VT100 clones, among the earliest and most popular of which was the much more affordable Zenith Z-19 in 1979. [ 3 ]
The VT100 is a video terminal, introduced in August 1978 by Digital Equipment Corporation (DEC). It was one of the first terminals to support ANSI escape codes for cursor control and other tasks, and added a number of extended codes for special features like controlling the status lights on the keyboard.
This was used very often to draw boxes on the VT100 video terminal and the many emulators, and used by bulletin board software. The designation escape sequence ESC ( 0 (hexadecimal 1B 28 30) switched the codes for lower-case ASCII letters to draw this set, and the sequence ESC ( B (hexadecimal 1B 28 42) switched back. [2] IBM calls it Code page ...
3.1.2 Terminal identifier codes. 3.1.3 Copier codes. ... VT100: The VT50 is a CRT ... These systems used a VT52-based screen driver in an era when ANSI escape codes ...
The VT100 code page is a character encoding used to represent text on the Classic Mac OS for compatibility with the VT100 terminal. It encodes 256 characters, the first 128 of which are identical to ASCII , with the remaining characters including mathematical symbols, diacritics , and additional punctuation marks.
On many Unix systems and early dial-up bulletin board systems the only common standard for box-drawing characters was the VT100 alternate character set (see also: DEC Special Graphics). The escape sequence Esc ( 0 switched the codes for lower-case ASCII letters to draw this set, and the sequence Esc ( B switched back:
A terminal emulator, ... VT100 or ANSI escape sequences. Emulators ... such as the standards for ANSI escape codes.
The escape codes sent to the terminal perform various functions that a CRT terminal (and software terminal emulators) is capable of, but that a teletypewriter is not; such as moving the terminal's cursor to positions on the screen, clearing and scrolling all or parts of the screen, turning on and off attached printer devices, programming ...