please write the Y86 assembley for the following c code /* * C program to revers

Question

 please write the Y86 assembley for the following c code  /* 

  * C program to reverse a given integer number and check 

  * whether it is a palindrome. Display the given number 

  * with appropriate message 

  */ 

 #include <stdio.h> 

 void main() 

 { 

     int num, temp, remainder, reverse = 0; 

     printf("Enter an integer  "); 

     scanf("%d", &num); 

     /*  original number is stored at temp */ 

     temp = num; 

     while (num > 0) 

     { 

         remainder = num % 10; 

         reverse = reverse * 10 + remainder; 

         num /= 10; 

     } 

     printf("Given number is = %d ", temp); 

     printf("Its reverse is  = %d ", reverse); 

     if (temp == reverse) 

         printf("Number is a palindrome  "); 

     else 

         printf("Number is not a palindrome  "); 

 } 

Explanation / Answer

DATA SEGMENT
NUM1 DW 12321
NUM2 DW ?
ARRY DB 10 DUP (0)
TEMP DW ?
MSG1 DB 10,13,’STORED NUMBER IN MEMORY IS : $’
MSG2 DB 10,13,’REVERSE NUMBER IS : $’
MSG3 DB 10,13,’NUMBER IS A PALINDROME $’
MSG4 DB 10,13,’NUMBER IS NOT A PALINDROME $’
RES DB 10 DUP (‘$’)
DATA ENDS

DISPLAY MACRO MSG
MOV AH,9
LEA DX,MSG
INT 21H
ENDM
CODE SEGMENT
ASSUME CS:CODE,DS:DATA
START:
MOV AX,DATA
MOV DS,AX

DISPLAY MSG1

MOV AX,NUM1

LEA SI,RES
CALL HEX2DEC

LEA DX,RES
MOV AH,9
INT 21H

LEA SI,ARRY
MOV AX,NUM1

REVE:
MOV DX,0
MOV BX,10
DIV BX
MOV ARRY[SI],DL
MOV TEMP,AX
MOV AX,DX

INC SI
MOV AX,TEMP
CMP TEMP,0
JG REVE

LEA DI,ARRY
LAST:
INC DI
CMP ARRY[DI],0
JG LAST

DEC DI
MOV AL,ARRY[DI]
MOV AH,0
MOV NUM2,AX
MOV CX,10
CONV:
DEC DI
MOV AL,ARRY[DI]
MOV AH,0
MUL CX
ADD NUM2,AX

MOV AX,CX
MOV BX,10
MUL BX
MOV CX,AX

CMP ARRY[DI],0
JG CONV

DISPLAY MSG2

MOV AX,NUM2

LEA SI,RES
CALL HEX2DEC

LEA DX,RES
MOV AH,9
INT 21H

MOV AX,NUM1
CMP NUM2,AX
JE PALIN

DISPLAY MSG4
JMP FINISH
PALIN:
DISPLAY MSG3

FINISH: MOV AH,4CH
INT 21H
CODE ENDS

HEX2DEC PROC NEAR
MOV CX,0
MOV BX,10

LOOP1: MOV DX,0
DIV BX
ADD DL,30H
PUSH DX
INC CX
CMP AX,9
JG LOOP1

ADD AL,30H
MOV [SI],AL

LOOP2: POP AX
INC SI
MOV [SI],AL
LOOP LOOP2
RET
HEX2DEC ENDP

END START

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