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(c) Below is an assembly language instruction for a subtraction operation. LDI R20, 0x78 LDI R21, 0x0A SUB R20, R21 (1) Fill in Table Q.1(a) with the value in register R20 after execution of the instructions have completed. Show the working steps. R20 Table Q.1(a): R20 Register Dr Do D₁ D D D D. De (ii) Determine the value of the H, N and Z flags after execution of the instructions have completed. The initial value of each flag is '0'.

(c) Below is an assembly language instruction for a subtraction operation. LDI R20, 0x78 LDI R21, 0x0A SUB R20, R21 (1) Fill in Table Q.1(a) with the value in register R20 after execution of the instructions have completed. Show the working steps. R20 Table Q.1(a): R20 Register Dr Do D₁ D D D D. De (ii) Determine the value of the H, N and Z flags after execution of the instructions have completed. The initial value of each flag is '0'.

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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(c) Below is an assembly language instruction for a subtraction operation. R20, 0x78 LDI LDI R21. 0x0A SUB R20, R21 (1) Fill in Table Q.1(a) with the value in register R20 after execution of the instructions have completed. Show the working steps. R20 Table Q.1(a): R20 Register D D D₁ D₁ D₂ D₂ D₁ D₂ (ii) Determine the value of the H, N and Z flags after execution of the instructions have completed. The initial value of each flag is '0'.
Transcribed Image Text:(c) Below is an assembly language instruction for a subtraction operation. R20, 0x78 LDI LDI R21. 0x0A SUB R20, R21 (1) Fill in Table Q.1(a) with the value in register R20 after execution of the instructions have completed. Show the working steps. R20 Table Q.1(a): R20 Register D D D₁ D₁ D₂ D₂ D₁ D₂ (ii) Determine the value of the H, N and Z flags after execution of the instructions have completed. The initial value of each flag is '0'.
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