NEC Network Controller uPD98502 - Manual (Page 528)

APPENDIX A MIPS III INSTRUCTION SET DETAILS
528 Preliminary User’s Manual S15543EJ1V0UM
MFHI
Move From HI
MFHI
0
0 0 0 0 0 0 0 0 0 0
SPECIAL
0 0 0 0 0 0
31 26 25 11 10 16 15 0
6 10 5 6
rd
0
0 0 0 0 0
MFHI
0 1 0 0 0 0
5
6 5
Format:
MFHI rd
Description:
The contents of special register HI are loaded into general register rd.
To ensure proper operation in the event of interruptions, the two instructions which follow a MFHI instruction may
not be any of the instructions which modify the HI register: MULT, MULTU, DIV, DIVU, MTHI, DMULT, DMULTU,
DDIV, DDIVU.
Operation:
32, 64 T: GPR [rd]
← HI
Exceptions:
None