CS401 Assignment 1 Solution Fall 2021 - VU Answer

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CS401 ASSIGNMENT 1 SOLUTION FALL 2021 

Provide by VU Answer

Due Date: 9 Dec 2021

Total Marks: 20

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Question:

Write an assembly language program to swap the first four digits of your VUID with the last four digits leaving the middle one intact. For example, if the digits in your VUID are 1423 5 0986, then the VUID should be converted to 0986 5 1423.

Note: Make it sure to use the last 5 digits of your own VUID as name of the .asm file, otherwise zero marks will be awarded.

Requirements:

1. Assembly language program.

2. Screenshot of the NASM command (assembling the .asm file).

3. Screenshot of AFD debugger showing the final values in memory

Solution:

Step 1:

1. First apny code ko apni local drive ki kisi location mein rakhna h apni file ko save krty huwe uska name khud ki VU ID ky last 5 digit rakhni h

Example 56210.asm

Code Solution

[org 0x0100]

jmp start

num1: dw 1,4,2,3,5,6,2,1,0

start:

mov bx,0

mov ax,0

loop1:

mov ax,[num1+bx]

mov dx, [num1+bx+10]

mov [num1+bx+10],ax

mov [num1+bx],dx

add bx,2

cmp bx,8

 jne loop1

mov AX,4C00h

Step 2:

Screenshot of the NASM command (assembling the .asm file).

Solution:

Implementation in DosBox

Hint

Step 1 m code ko ap save krlien jo oper given h id change krky first 4 digit must change apni id ky.

num1: dw 1,4,2,3,5,6,2,1,0 

Ur code ko save krty huwe apni VU ID ky last 5 digit sy code save krna h remember its most important.

Screenshot:

Step 3:

3. Screenshot of AFD debugger showing the final values in memory.

Solution:

After entering command afd.com and enter you can see this.

Conclusion:

After this, you can enter the array in CMD> m2 ds:103

 

Easily see that my id first 4 digits in the screenshot

Before my Id swap is 1423 5 6210

After swapping its 6210 5 1423

For swapping in DOSBox entering press F2 jha apki id ky first 4 digit last 4 sy swap hujyga ur first per ajyein take screenshot

That is Final and Complete Solution

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