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Expansion of data

N Sidwell, Expansion of data. Patent. US6100905. August 2000. No electronic version available. External information

Abstract

A computer instruction is described which expands compressed font information to provide an expanded format suitable for driving a display for example. The expansion is carried out by identifying a bit string having at least one bit sequence, selecting each bit of the bit sequence and replicating each selected bit at a plurality of adjacent locations. This is carried out in a register store having a predetermined bit capacity addressable by a single address. The instruction is particularly useful for generating background or foreground font information for driving a display.

Bibtex entry.

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