题目
题目

ELEC1601 (ND) ELEC9601 (ND) Essentials Quiz 2 - Requires Respondus LockDown Browser

简答题

In the AVR assembly language, what value is stored in register 18 after the following lines of code?  ldi r18, 11 ldi r19, 7 and r18, r19 lsl r18 dec r18 add r18, r19 ldi r18, 3 Write your answer in base 10.  

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标准答案
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思路分析
We start by reading the sequence of AVR instructions and tracking the value in r18 after each step. First, ldi r18, 11 loads 11 into r18, so r18 = 11. Next, ldi r19, 7 ......Login to view full explanation

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