Object space manager circuit for obtaining addresses of object headers
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United States of America Patent
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Oct 24, 2000
Grant Date -
N/A
app pub date -
Jan 4, 1994
filing date -
Jan 4, 1994
priority date (Note) -
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Abstract
The object space manager circuit is a device used in computer memory systems for determining the address of the first word of an object, given the address of any other word in the same object. It consists of a first-object-word encoding circuit, a memory circuit, and a first-object-word decoding circuit. The encoding circuit utilizes a hierarchical coding system to generate codes that relate the address of a first object word to any other object word. This particular coding system results in codes that are the same for particular ranges of object word addresses. The codes are stored in the memory circuit which permits the entry of a code at each address of a specified range of memory addresses to be accomplished simultaneously. The decoding circuit utilizes an input object-word address to retrieve the associated codes from the memory and then translates these codes into the address of the first object word.
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