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Exercise 1- Modify the single-cycle MIPS processor to implement one of the following instructions. Sec Appendix B for a definition of the instructions. Mark up a copy to indicate the changes to the datapath. Name any new control signals. Mark up a copy of Table to show the changes to the main decoder. Describe any other changes that are required.
(a) sll
(b) lui
(c) slti
(d) blez
Table- Main decoder truth table to mark up with changes
Instruction
Opcodc
RcgWrite
RegDst
ALUSrc
Branch
Mem\Vrite
McmtoRcg
ALUOp
It-type
000000
1
0
10
1w
100011
00
SW
101011
X
I
tie,3
000100
01
Exercise 2- Repeat Exercise 1 for the following MIPS instructions.
(a) jal
(b lh
(c) jr
(d) srl
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