semigraphics

Also known as text semigraphics, pseudographics, block graphics, mosaic graphics, semi-graphics, pseudo-graphics

thumb|Image rendered using IBM Monochrome Display Adapter|MDA block graphics thumb|Color image rendered using World System Teletext|Teletext semigraphic characters

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Image: Image rendered in MDA text mode using semigraphic blocks.png

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Commons category: Semigraphic characters

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~12 min read

Article

6 sections

Contents

{{anchor|Squot|Sextant|Quadrant}}Block graphics
Examples of the use of block graphics
Semigraphical characters
Systems that relied on semigraphical characters
See also
References

thumb|Image rendered using IBM Monochrome Display Adapter|MDA block graphics thumb|Color image rendered using World System Teletext|Teletext semigraphic characters

Text-based semigraphics, pseudographics, or character graphics is a primitive method used in early text mode video hardware to emulate raster graphics without having to implement the logic for such a display mode.