ARM PROCESSOR
ARCHITECTURE OF 8085
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the two instructions sets the condition flag upon execution?i) ADDS R0, R1, R2ii) ADD R0, R1, R2
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i
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ii
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Both i and ii
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Insufficient data
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Explanation:
Detailed explanation-1: -Explanation: The MLA instruction is used perform addition and multiplication together.
Detailed explanation-2: -Z, bit [30] Zero condition flag. Set to 1 if the result of the last flag-setting instruction was zero, and to 0 otherwise. A result of zero often indicates an equal result from a comparison.
Detailed explanation-3: -Instruction execution can be divided into small steps in different ways. One can divide it into two stages: instruction fetch and instruction execution (as e.g. in the Intel 8086).
Detailed explanation-4: -Explanation: First, the instructions are fetched and decoded and then they’re executed and stored.
There is 1 question to complete.