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design and write an assembly language program for the MARIE processor that inputs, transforms, stores, and then outputs a sequence of characters from the set A-Z;

You are to design, write, test, and debug a MARIE assembly language program that inputs a

sequence of characters from the set A-Z (capital letters only), stores each character in

memory after it is transformed by the trivial ROT13 cipher, and then, after character input

completes, outputs the transformed characters.

A template source code file ([login to view URL]) is provided with this assignment. Edit this

file to create a program that meets the program specifications. Note that the template

includes instructions to initialize some working values that your program can use. The

template also defines memory locations. You may add data memory locations. The program

can be designed without additional data locations, but it may be necessary to do so for your

design.

For full credit, your solution must perform the functions and satisfy the requirements

specified below.

a) The first instruction of the program must be placed at location (address) 0x100 (100

hexadecimal) in MARIE’s memory. This is accomplished by following the program

template that is provided.

b) The constant data values (One, ChA, ChZ, ChPer, Val13, Start) should not be

changed by the program. The program can load from these memory locations, but

should not store to them.

c) Transformed input characters must be stored in successive memory locations beginning

at location 0x200 (200 hexadecimal) as indicated in the program template. The

program should store all transformed input characters before any characters are

output.

d) The program should always initialize the values for Ptr in the working data memory

and not rely on the values for these locations that are defined in the assembly source

file. This initialization is done by the provided template file.

e) The program should work for any inputs ‘A’ through ‘Z’ and ‘.’ (a period terminates

input). In the interest of keeping the program simple, the program does not need to

validate inputs.

f) When transformed characters are stored and when transformed characters are output,

the program must use a loop and indirect addressing to access the values in the array

of words. Note that variable Ptr is initialized in the template code and should be

used in the loop. You may also define a Count variable to count the number of

characters, but there are also correct designs that do not require a Count variable.

g) The program should operate as follows.

Input Phase:

1. A character (A-Z or ‘.’) is input. MarieSim allows the user to input a single

character that is read into the accumulator (AC) with an Input instruction.

2. If character ‘.’ (period) is input, then the input phase ends and the output

phase begins (step 5 below). (The period may be stored in memory to mark the

3.

end of the characters or the characters can be counted to determine how many

transformed characters to output during the output phase.)

4. The character that is input is transformed using the trivial ROT13 cipher (see

Section 5.1).

5. The transformed character is stored in the next location in the block of

memory beginning at location Start. (Variable Ptr must be updated and

indirect memory addressing must be used.)

Output Phase:

6. All transformed characters are output, beginning with the first character that

was transformed. The ‘.’ character is not to be output. (This will require a

loop using variable Ptr and indirect addressing. Note that the number of

characters to output will vary and the program must know when to stop the

output by relying on a ‘.’ or other special character in memory, counting the

number of input characters during the input phase, or some other method.)

7. After all characters are output, the program halts by executing the HALT

Instruction.

Keahlian: Perakitan, Perakit x86/x64

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gaurav34909

I am an experienced assembly programmer. I have done this program and others before, for some other students already. 100% result assured. Mail gurukulcmc at gmail Relevant Skills and Experience I am not able to post Lebih banyak

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shentiakov

hi, I am interested in your project. I can provide you with the marie assembler program as well as the report with explanations.

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benmarbihamza

hi sir, I am interested in your project. i'm good in assembly language and i use the marie assembler program as well see url [login to view URL] when i complete your project you can check Lebih banyak

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