Semigraphics

Known as: Semigraphical characters, Block graphics, Text semigraphics

Text-based semigraphics or pseudographics is a primitive method used in early text mode video hardware to emulate raster graphics without having to…

Papers overview

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1983

In the first chapter (listing 1.2) we saw how a small block or character may be generated by eight binary numbers. Such a block…

1980

The introduction of videotex services in several countries has spurred the search for the lowest cost user terminal which will…