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Assume that we would like to replace the ISZ instruction in the Basic Computer with a new instruction called DSN (Decrement memory and Skip if Negative). The opcode remains the same (110). The RTL description of the DSN instruction is the following: M[AR] M[AR] - 1, if (M[AR] - 1 < 0) then PC PC+1 Complete the sequence below of micro-operations that are necessary to implement this new instruction starting from T DeTA: M[AR] DsTs: TR AC

Assume that we would like to replace the ISZ instruction in the Basic Computer with a new instruction called DSN (Decrement memory and Skip if Negative). The opcode remains the same (110). The RTL description of the DSN instruction is the following: M[AR] M[AR] - 1, if (M[AR] - 1 < 0) then PC PC+1 Complete the sequence below of micro-operations that are necessary to implement this new instruction starting from T DeTA: M[AR] DsTs: TR AC

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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4 Assume that we would like to replace the ISZ instruction in the Basic Computer with a new instruction called DSN (Decrement memory and Skip if Negative). The opcode remains the same (110). The RTL description of the DSN instruction is the following: out of M[AR] M[AR] – 1, if (M[AR] – 1 < 0) then PC + PC+1 question Complete the sequence below of micro-operations that are necessary to implement this new instruction starting from T. DETA: + M[AR] DET5: TR AC De T6: AC 0000 DET7 : AC + AC DR + If AC (15)= then PC PC+1 DeTe : AC DoTo : M[AR] D;T10: AC
Transcribed Image Text:4 Assume that we would like to replace the ISZ instruction in the Basic Computer with a new instruction called DSN (Decrement memory and Skip if Negative). The opcode remains the same (110). The RTL description of the DSN instruction is the following: out of M[AR] M[AR] – 1, if (M[AR] – 1 < 0) then PC + PC+1 question Complete the sequence below of micro-operations that are necessary to implement this new instruction starting from T. DETA: + M[AR] DET5: TR AC De T6: AC 0000 DET7 : AC + AC DR + If AC (15)= then PC PC+1 DeTe : AC DoTo : M[AR] D;T10: AC
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