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CprE 381 – Computer Organization andAssembly Level ProgrammingFall 2015Homework #7Assigned: Friday Oct 16Due: Friday Oct 23, MidnightNotes:•Do this week’s reading before you start on the homework.•Complete the assignment electronically and submit it on BlackBoard Learn.•Late homework is accepted within three days from the due date. Late penalty is10% per day.For the following questions, you have to show the procedure of conversion to get full credit.An answer without a procedure will receive a low partial credit.Questions 1-3 use the following single-cycle MIPS CPU design as the baseline. Itsupports R-format ALU,lw,sw,beq, andjinstructions.
1.  Extend the baseline to support thesltiinstruction. Check Appendix A for theinstruction format ofsltia. Itemize the changes to the datapath, the control unit, and the ALU control.Those may include any new connections, new datapath elements, revision of anexisting datapath element, new/extended control signal(s), and change to theinternal logic (truth table) of the control unit and/or the ALU control.If you wish, you may mark your change on the figure.Hint: You may print thefigure, hand-mark your changes, and then take a picture and insert it into the file..