A graphics language originally from Digital that superseded ReGIS. ReGIS to SIXEL conversion programs were available, and converters from ReGIS and SIXEL to TIFF, PostScript and other formats are also widely used.
"SIXEL." YourDictionary, n.d. Web. 17 August 2018. <http://www.yourdictionary.com/sixel>.
SIXEL. (n.d.). Retrieved August 17th, 2018, from http://www.yourdictionary.com/sixel