DEC Special Graphics
is a 7-bit
character set developed by
Digital Equipment Corporation. This was used very often to draw
boxes
A box (plural: boxes) is a container used for the storage or transportation of its contents. Most boxes have flat, parallel, rectangular sides. Boxes can be very small (like a matchbox) or very large (like a shipping box for furniture), and can ...
on the
VT100 video terminal and the many emulators, and used by bulletin board software. The
designation escape sequence (
hexadecimal
In mathematics and computing, the hexadecimal (also base-16 or simply hex) numeral system is a positional numeral system that represents numbers using a radix (base) of 16. Unlike the decimal system representing numbers using 10 symbols, hexa ...
) switched the codes for lower-case ASCII letters to draw this set, and the sequence (hexadecimal ) switched back.
calls it Code page 1090.
Character set
See also
*
DEC Multinational Character Set (MCS)
*
DEC National Replacement Character Set
The National Replacement Character Set (NRCS) was a feature supported by later models of Digital's (DEC) computer terminal systems, starting with the VT200 series in 1983. NRCS allowed individual characters from one character set to be replaced b ...
(NRCS)
*
DEC Technical Character Set
*
DEC VT100
*
Box-drawing character
Footnotes
References
{{character encoding
Character sets
Digital Equipment Corporation