Assuming that memory takes 4 cycles after MEMread to complete the read, how many clock cycles does it take to fetch and execute one MIPS addi instruction using: when (op()) {addi} Addi

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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Assuming that memory takes 4 cycles after MEMread to complete the read, how many clock cycles does it take to fetch and execute one MIPS addi instruction using:

when (op()) {addi} Addi


Start:
 PCout, MARin, MEMread, Yin
 CONST(4), ALUadd, Zin, UNTILmfc
 MDRout, IRin
 Zout, PCin, JUMPonop
 HALT /* Should end here on undecoded op */

Addi:
 SELrs, REGout, Yin
 IRimmedout, ALUadd, Zin
 Zout, SELrt, REGin, JUMP(Start)

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