What Are The Contents Of The A Register After The Execution Of This Instruction C1 00 02

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Automobile Linguistic communication Instructions

• Thread starter csgirl504
• Get-go date Oct 31, 2011

Homework Argument

(the language is Pep/eight)

Given the following state of memory (in hexadecimal) match the problem to the solution shown:

0001 A2
0002 11
0003 00
0004 FF

What are the contents of the A register subsequently the execution of this instruction?

C1 00 01

I know that the answer is A2 11

But I take NO idea how to go there. I tried reading the book, just none of it makes sense. My teacher gave the answer to this, but she never explained how to get information technology.

I know to write out C1 00 01 as

1100 0001 0000 0000 0000 0001

But I have admittedly no clue how you get A2 xi from that.

Please explain! I am and so confused.

Answers and Replies

Homework Statement

Given the following state of retentivity (in hexadecimal) friction match the problem to the solution shown:

0001 A2
0002 11
0003 00
0004 FF

What are the contents of the A annals subsequently the execution of this education?

C1 00 01

I know that the reply is A2 xi

But nosotros have no fashion of knowing this, since you haven't given us all the information that was presented to you.

What I encounter looks like it might exist the contents of memory locations 1 through iv, following my a automobile linguistic communication education. I'm guessing that C1 is an op lawmaking for something, and the operands are memory locations 1 and 2.

If you want usa to aid you decipher this, you need to give u.s.a. all of the data of this problem, otherwise we're but as lost as yous are.

But I accept NO thought how to get there. I tried reading the book, but none of it makes sense. My teacher gave the answer to this, but she never explained how to get information technology.

I know to write out C1 00 01 equally

1100 0001 0000 0000 0000 0001

Merely I accept absolutely no clue how you get A2 eleven from that.

Please explicate! I am then confused.

Distressing,

I forgot to say that the language is Pep/8 (virtual figurer). Non sure if that tells you anything, simply that is the whole trouble.

I am given 5 answer choices:

a. A2 11
b. A2 12
c. 00 02
d. 11 00
e. 00 FF

And I know the answer is A. That'south all the data I take. The problem comes from my textbook, at the end of a chapter on Machine Language, specifically focusing on Pep/8.

Pitiful for the confusion! I think I figured it out. I'm non sure why I was having so much difficulty.

Sorry,

I forgot to say that the language is Pep/eight (virtual calculator). Non sure if that tells you anything, merely that is the whole problem.

I am given five respond choices:

a. A2 11
b. A2 12
c. 00 02
d. xi 00
e. 00 FF

And I know the answer is A. That's all the data I take. The trouble comes from my textbook, at the end of a chapter on Automobile Language, specifically focusing on Pep/8.

I know that you have already figured this out, but for future reference, if y'all have whatsoever other questions involving this linguistic communication, exist sure to include data about the op codes. For this problem, at that place must be some information in the same affiliate or in the appendix, explaining what op codes such every bit C1 mean.

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What Are The Contents Of The A Register After The Execution Of This Instruction C1 00 02,

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