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ORI
31
26 25
ORI
0 0 1 1 0 1
6
Format:
ORI rt, rs, immediate
Description:
The 16-bit immediate is zero-extended and combined with the contents of general register rs in a bit-wise logical
OR operation. The result is placed into general register rt .
Operation:
GPR [rt] ← GPR [rs]
32
T:
GPR [rt] ← GPR [rs]
64
T:
Exceptions:
None
APPENDIX A MIPS III INSTRUCTION SET DETAILS
Or Immediate
21 20
16 15
rs
rt
5
5
|| (immediate or GPR [rs]
31...16
|| (immediate or GPR [rs]
63...16
Preliminary User's Manual S15543EJ1V0UM
immediate
16
)
15...0
)
15...0
ORI
0
537
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