G - Physics – 06 – F
Patent
G - Physics
06
F
G06F 13/14 (2006.01) G06F 9/30 (2006.01) G06F 9/302 (2006.01) G06F 9/315 (2006.01) G06F 9/34 (2006.01)
Patent
CA 2266259
It is an object of the invention to provide a variable length register device which can be used not only for assigning an address of a memory but also as a general register. A memory outputs an instruction to gain access to a variable length register. A decoder decodes the instruction supplied from the memory and composes discriminators for assigning the variable length register and used areas therein. The first selectors read data stored in the used areas, which are assigned in the specified variable length register, in accordance with the discriminators composed in the decoder, and coordinates the areas storing the data therein. An arithmetic logical unit carried out operations based on the data read from the first selectors . The second selector reads the data outputted from the arithmetic logical unit, and stores them in the variable length register coordinating the used areas.
Ashihara Koji
Shimura Naoki
Uno Kousuke
Corporation Nec
Smart & Biggar
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