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[[Larry Cuba]]'s ''Star Wars'' work is based on semi-automated filming of a GRASS system running on a [[Vector General 3D]] terminal. The VG3D had internal hardware that performed basic transformations - scaling, rotation, etc. - in realtime without interacting with the computer. It is only during the times when new scenery is being presented that the much slower communications with the GRASS language takes place. This can be seen in the sequence, as the initial sections of the film show the [[Death Star]] being rotated and scaled very rapidly, while the later sections simulating flight down the trench requires new scenery to be paged in from GRASS "trees". These can be seen appearing in groups.
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In 1977, DeFanti was introduced to Jeff Frederiksen, a chip designer working at [[Dave Nutting Associates]]. Nutting had been contracted by Midway, the videogame division of Bally, to create a standardized [[video display unit|graphics driver chip]]. They intended to use it in most of their future arcade games, as well as a [[video game console]] they were working on which would later turn into the [[Astrocade]]. Midway was quite interested in seeing the GRASS language running on their system, and contracted DeFanti to port it to the platform. A number of people at the Habitat, as well as some from Nutting, worked on the project, which they referred to as the '''Z Box'''. GRASS3 running on it became '''
The Z-Box was a [[raster graphics]] machine, unlike the original GRASS systems, so while most of the GRASS3 style was maintained in
===GRASS RT/1===
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