The Gateway to Computer Science Excellence
0 votes
25 views
Consider a hypothetical processor with an instruction of type LDR R1, [R2, #4], which during execution the load value at the memory location pointed to by the effective address. Effective address of the memory location is obtained by the addition of 4 and the contents of R2. Then increment R2 by 4. Which of the following best reflects the addressing mode implemented by this instruction for the operand in memory?

1

Post-indexing

2

auto-indexing

3

Pre-indexed addressing with auto-indexing

4

Post-indexed addressing with auto-indexing
in CO and Architecture by (445 points) | 25 views
0
Option 3
0
yes but why ??? as increment is done after adding the value in register
0
What does it mean by auto indexing here ?? Does it mean auto increment??

Please log in or register to answer this question.

Quick search syntax
tags tag:apple
author user:martin
title title:apple
content content:apple
exclude -tag:apple
force match +apple
views views:100
score score:10
answers answers:2
is accepted isaccepted:true
is closed isclosed:true
50,650 questions
56,192 answers
193,987 comments
94,852 users