The VT100 code page is a

character encoding Character encoding is the process of assigning numbers to Graphics, graphical character (computing), characters, especially the written characters of Language, human language, allowing them to be Data storage, stored, Data communication, transmi ...

used to represent text on the

Classic Mac OS Mac OS (originally System Software; retronym: Classic Mac OS) is the series of operating systems developed for the Macintosh family of personal computers by Apple Computer from 1984 to 2001, starting with System 1 and ending with Mac OS 9. The ...

for compatibility with the

VT100 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 f ...

terminal. It encodes 256 characters, the first 128 of which are identical to

ASCII ASCII ( ), abbreviated from American Standard Code for Information Interchange, is a character encoding standard for electronic communication. ASCII codes represent text in computers, telecommunications equipment, and other devices. Because of ...

, with the remaining characters including mathematical symbols,

diacritic A diacritic (also diacritical mark, diacritical point, diacritical sign, or accent) is a glyph added to a letter or to a basic glyph. The term derives from the Ancient Greek (, "distinguishing"), from (, "to distinguish"). The word ''diacriti ...

s, and additional punctuation marks. It is suitable for

English English usually refers to: * English language * English people English may also refer to: Peoples, culture, and language * ''English'', an adjective for something of, from, or related to England ** English national ide ...

and several other Western languages. It is similar to

Mac OS Roman Mac OS Roman is a character encoding created by Apple Computer, Inc. for use by Macintosh computers. It is suitable for representing text in English and several other Western languages. Mac OS Roman encodes 256 characters, the first 128 of which ...

, but includes all characters in

ISO 8859-1 ISO/IEC 8859-1:1998, ''Information technology — 8-bit single-byte coded graphic character sets — Part 1: Latin alphabet No. 1'', is part of the ISO/IEC 8859 series of ASCII-based standard character encodings, first edition published in 1 ...

except for the currency sign (which was superseded by the euro sign), the no-break space, and the soft hyphen. It also includes all characters in

DEC Special Graphics DEC Special Graphics is a 7-bit character set developed by Digital Equipment Corporation. This was used very often to draw box-drawing characters, boxes on the VT100 video terminal and the many emulators, and used by bulletin board software. The IS ...

(code page 1090), except for the new line and no-break space controls. The VT100 encoding is only used on the VT100 font on the

, and is not an official Mac OS character encoding.

Codepage layout

The following table shows how characters are encoded in the VT100 character set. Each character is shown with its

Unicode Unicode, formally The Unicode Standard,The formal version reference is is an information technology Technical standard, standard for the consistent character encoding, encoding, representation, and handling of Character (computing), text expre ...

equivalent.

References

{{Character encoding Encodings