Please answer the following based on these instructions; The below microarchitecture diagram has three independent control lines (Reg Dest, Reg Input, ALU Input) control individual multiplexers that were previously controlled together by a single control line named Mem This allows us to add a new instruction, ADDC, which stands for "Add Constant" ADDC Rs, const, Rt adds the contents of source register Rs to the two's complement constant value const, given by the instruction, and stores the sum in destination register Rt. For example, ADDC R2, 3, R4 stores into register R4 the result of adding the constant 3 to the contents of register R2; ADDC R0, -1, R2 stores 0x1111 into register R2 (because 0+-1=-1) a) Indicate the control line values the Control Unit should send for the new ADDC instruction. b) What values do registers R5 and R6 hold after the following program runs? R1 always holds 1; R5 and R6 are general purpose registers ADD R1, R1, R5 ADD R1, R5, R6 ADDC R6, 4, R5 HALT

Please answer the following based on these instructions; The below microarchitecture diagram has three independent control lines (Reg Dest, Reg Input, ALU Input) control individual multiplexers that were previously controlled together by a single control line named Mem This allows us to add a new instruction, ADDC, which stands for "Add Constant" ADDC Rs, const, Rt adds the contents of source register Rs to the two's complement constant value const, given by the instruction, and stores the sum in destination register Rt. For example, ADDC R2, 3, R4 stores into register R4 the result of adding the constant 3 to the contents of register R2; ADDC R0, -1, R2 stores 0x1111 into register R2 (because 0+-1=-1) a) Indicate the control line values the Control Unit should send for the new ADDC instruction. b) What values do registers R5 and R6 hold after the following program runs? R1 always holds 1; R5 and R6 are general purpose registers ADD R1, R1, R5 ADD R1, R5, R6 ADDC R6, 4, R5 HALT

Systems Architecture

7th Edition

ISBN:9781305080195

Author:Stephen D. Burd

Publisher:Stephen D. Burd

Chapter2: Introduction To Systems Architecture

Section: Chapter Questions

Problem 2VE: A(n) __________ is a storage location implemented in the CPU.

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