control and status register

Computing Dictionary

Control and Status Register definition

hardware
(CSR) A register in most CPUs which stores additional information about the results of machine instructions, e.g. comparisons. It usually consists of several independent flags such as carry, overflow and zero. The CSR is chiefly used to determine the outcome of conditional branch instructions or other forms of conditional execution.
(1998-06-26)
The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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