We found the following information concerning Creative Solutions' Compression,
Expression and Rotation Board.
"A NuBus board that provides compression, expansion and rotation on image data.
"The Compression/Expansion/Rotation board performs all of the above functions
on image data. The board features: compression or expansion throughput in
excess of 16 million pixel elements per second; ROM with standard half duplex
Macintosh device drivers that are installed automatically at startup; CCITT
input driver reads data to a supplied buffer and returns the actual count read;
conversion modes set via control calls to either input or output drivers; and
accelerated hardware rotation of 32 by 32 pixel tiles."
For more vendor information, search under "Creative Solutions."