
A CPU Instruction Set Details

COPz cofun
Description:
A coprocessor operation is performed. The operation may specify and reference internal coprocessor registers, and may change the state of the coprocessor condition line, but does not modify state within the processor or the cache/memory system. Details of coprocessor operations are contained in Appendix B.
Exceptions:
Coprocessor unusable exception
Coprocessor interrupt or Floating-Point Exception (R4000 CP1 only)





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