1. a. What is the control sequence for execution of the instruction Add R1, R2 including...

  

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1. a. What is the control sequence for execution of the instruction Add R1, R2 including the instruction fetch phase? (Assume single bus architecture) 2. b. Table with microinstructions a. What is the control sequence for execution of the instruction Add 9 (R71), (R6),R1 including the instruction fetch phase? (Assume single bus architecture) b. Table with microinstructions Memory bus Select ALU control lines PC Address lines MAR MDR Data lines Constant 4 MUX Add A Sub XOR ALU N B Internal processor Carry-in bus Control signals Instruction decoder and control logic IR RO R(n-1) TEMP 1. a. What is the control sequence for execution of the instruction Add R1, R2 including the instruction fetch phase? (Assume single bus architecture) 2. b. Table with microinstructions a. What is the control sequence for execution of the instruction Add 9 (R71), (R6),R1 including the instruction fetch phase? (Assume single bus architecture) b. Table with microinstructions Memory bus Select ALU control lines PC Address lines MAR MDR Data lines Constant 4 MUX Add A Sub XOR ALU N B Internal processor Carry-in bus Control signals Instruction decoder and control logic IR RO R(n-1) TEMP

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PCout MARin Read Clear Y Carryin Add Zin PCout The Program Counter PC value 5 is sent to the system bus MARin The value from the system bus is loaded into the Memory Address Register MAR Read The memo... View the full answer