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3055q3a - Score Name ECE 3055 Quiz III Wednesday September...

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Unformatted text preview: Score: Name: ECE 3055 Quiz III, Wednesday, September 18 The following sequence of MIPS instructions is clocked into the pipeline shown on page 472-476 of your textbook. Examine this figure carefully to see exactly where each signal is located (i.e. before or afier pipeline registers). At the end of Clock cycle 5, Indicate the resulting register values in hexadecimal in the spaces provided below. Assume all data memory locations contain the word address of the location, and that the address shown in any LW/SW instructions below is already a word address (not bytel). Assume that each register contains a value equal to the register number prior to execution of this code. List the value roduced b the hardware desi described in the text — even if the value is not used or saved. lw $2,1 wl‘s andi $7,$6,3 M sub $3,$5,$1 3 K Ci J sw $4,3 ECO '9. or $2,$6,$5 Etch Qua. E Instruction=0x AGO-1% 0003 EHCO3OOOLD Read Data 1 '03M ReadData2=Ox 0 O 0 QO 0 0 ft (00 0 00003) ALUResult=0x O Q Q00 0Q a dead" come. or 0 00 O3 ' X" :5 (DmMemerymaremomeL \O 00 ) Huts Me “‘73 [pt/Hank Write Register (Address) = 0x 0! 25' ' Write Data (input at register file after mux) = 0: O O 0 O E 2 O O ‘ ALU control (3-bits in binary) = I I O MemRead = O RegWrite = I ...
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