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For the below microprogrammed architecture, what is the ALU sequence of actions/micro instruction code: ALU(F2,F1,FO) required to implement the instruction SUB DO, D1,#1? Assume that CL1 =0 for Latch 1 and CL2 =1 for Latch 2 Note: The table below defines the effect of the ALU's function code. Bus A Bus B Guan Read- Write- Data out Main store TEn Guow Data in Euor The memory performs a read when Read = 1 and a write when Write - 1 Address Cun MAR F2 F1 FO Operatlon Cuen Guen MBR TEven G O Copy P to bus A 0|0 1 Copy a to bus A A=P IR A=Q Grc 1 Copy P+1 to bus A A =P +1 PC Goo 1 1 Copy Q +1 to bus A A =Q+1 DO 1 Copy P-1 to bus A A=P-1 Co Go D1 1 Copy a- 1 to bus A A =Q 1 1 Copy bus P+Q to bus A A =P+Q ALU P 1 Copy bus P Q to bus A A =PQ Latch 1 1 (P,O) Latch 2 Function select F2F1F0=111 F2F1F0=100 F2F1F0=101 O F2F1F0=010 1.

For the below microprogrammed architecture, what is the ALU sequence of actions/micro instruction code: ALU(F2,F1,FO) required to implement the instruction SUB DO, D1,#1? Assume that CL1 =0 for Latch 1 and CL2 =1 for Latch 2 Note: The table below defines the effect of the ALU's function code. Bus A Bus B Guan Read- Write- Data out Main store TEn Guow Data in Euor The memory performs a read when Read = 1 and a write when Write - 1 Address Cun MAR F2 F1 FO Operatlon Cuen Guen MBR TEven G O Copy P to bus A 0|0 1 Copy a to bus A A=P IR A=Q Grc 1 Copy P+1 to bus A A =P +1 PC Goo 1 1 Copy Q +1 to bus A A =Q+1 DO 1 Copy P-1 to bus A A=P-1 Co Go D1 1 Copy a- 1 to bus A A =Q 1 1 Copy bus P+Q to bus A A =P+Q ALU P 1 Copy bus P Q to bus A A =PQ Latch 1 1 (P,O) Latch 2 Function select F2F1F0=111 F2F1F0=100 F2F1F0=101 O F2F1F0=010 1.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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For the below microprogrammed architecture, what is the ALU sequence of actions/micro instruction code: ALU(F2,F1,F0) required to implement the instruction SUB DO, D1,#1? Assume that CL1 =0 for Latch 1 and CL2 =1 for Latch 2 Note: The table below defines the effect of the ALU's function code. Bus A Bus B Guen Read Write Data out Main store TE Guow wData in The memory performs a read when Read 1 TEus Address and a write when Write = 1 Cuan MAR Curn Gvern F2 F1 FO Operatlon MBR Copy P ta bus A A=P G. Gr IR 1 Copy Q to bus A A = Q Grc Copy P+1 to bus A A =P+1 PC 1 TE Gọo Cp 1 1 Copy Q+1 to bus A A = Q+1 DO 1 Copy P- 1 to bus A A =P -1 Co Got D1 1 Copy Q - 1 to bus A A =Q 1 TEO 1 1 Copy bus P +Q to bus A A =P+Q ALU P f(PO) A =P - Q Latch 1 1 Copy bus P Q to bus A t O Latch 2 Function select F, F, Fo F2F1F0=111 O F2F1F0=100 F2F1F0=101 O F2F1F0=010
Transcribed Image Text:For the below microprogrammed architecture, what is the ALU sequence of actions/micro instruction code: ALU(F2,F1,F0) required to implement the instruction SUB DO, D1,#1? Assume that CL1 =0 for Latch 1 and CL2 =1 for Latch 2 Note: The table below defines the effect of the ALU's function code. Bus A Bus B Guen Read Write Data out Main store TE Guow wData in The memory performs a read when Read 1 TEus Address and a write when Write = 1 Cuan MAR Curn Gvern F2 F1 FO Operatlon MBR Copy P ta bus A A=P G. Gr IR 1 Copy Q to bus A A = Q Grc Copy P+1 to bus A A =P+1 PC 1 TE Gọo Cp 1 1 Copy Q+1 to bus A A = Q+1 DO 1 Copy P- 1 to bus A A =P -1 Co Got D1 1 Copy Q - 1 to bus A A =Q 1 TEO 1 1 Copy bus P +Q to bus A A =P+Q ALU P f(PO) A =P - Q Latch 1 1 Copy bus P Q to bus A t O Latch 2 Function select F, F, Fo F2F1F0=111 O F2F1F0=100 F2F1F0=101 O F2F1F0=010
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