DEC Special Graphics is a 7-bit character set developed by Digital Equipment Corporation. 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 (hexadecimal ) switches the codes for lower-case ASCII letters to draw this set, and the sequence (hexadecimal ) switches back. Alternatively, the sequence (hexadecimal ) can be used to set the G1 character set to Special Graphics, and then the single character (hexadecimal ) can be used to switch to Special Graphics and character (hexadecimal ) to switch back to ASCII.
IBM calls this character set Code page 1090.
Character set
See also Box-drawing character DEC Multinational Character Set (MCS) DEC National Replacement Character Set (NRCS) DEC Technical Character Set DEC VT100
Footnotes
References
External links Video of real VT100 and animation made with DEC Special Graphics