Question

Pad 1:58 PM * 51% --|- Objectives. Learn how to enhance the datapath and control for both the single cycle and multicycle implementa- tions of a simple ALU Below is table that indicates which control lines are set for each type of instruction for the single- cycle implementation shown in Figure 4.24 of your textbook, which is also shown on the following page. Indi- cate the setting for each control line to support the addiu instruction, which should not require any modi- fications to the datapath. Use an X if the value for the control line does not matter (30 points) Reg ALU Memto Reg MemMem Dst SreReg Write ReadWrite ALU ALU Branch Jump Op Op R-format addiu Modify the datapath and control for the single-cycle implementation shown on the following page to add the instruction jr (jump register). You should also indicate each of the appropriate settings for the control lines to support the jr instruction in the table above. You can assume that the opcode field uniquely identi- fies the jr instruction. (40 points)

Answer 1

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