Appendix A
A-50 MIPS R4000 Microprocessor User's Manual
Format:
CTCz rt, rd
Description:
The contents of general register rt are loaded into control register rd of
coprocessor unit z.
This instruction is not valid for CP0.
Operation:
Exceptions:
Coprocessor unusable
*See “CPU Instruction Opcode Bit Encoding” at the end of Appendix A.
CTCz
11
Move Control to Coprocessor
31 2526 2021 1516
COPz CT rt
655
rd
0
5
11 10 0
0 1 0 0 x x * 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0
CTCz
32,64 T: data ← GPR[rt]
T + 1: CCR[z,rd] ← data
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