Question

.MODEL SMALL
.STACK 100H
.DATA
msg DB 0AH,0DH,'=>is palindrome','$'
.CODE
MAIN PROC
mov ah, 2h
mov dl,'?'
int 21h
xor cx, cx
mov ah, 1h
int 21h
call palindrome
exit:
mov ah, 4ch
int 21h
MAIN ENDP

palindrome proc
while_:
cmp al, 0dh
je end_while
push ax
inc cx
int 21h
jmp while_
end_while:
mov ah, 2h
mov dl, 0dh
int 21h
mov dl, 0ah
int 21h
jcxz exit
top:
pop dx
int 21h
loop top
ret
palindrome ENDP

END MAIN

Answer 1

everything is working well but the problem i m encountering here is that my program isnt telling that whether the given string is a palindrome ???? plz help me with this

Answer 2

the problem is that it should compare the reverse string in the output with the given one and if it is the same it should tell that the given string is palindrome

Answer 3

@asnaseer bro can you help me on this one i've asked this one an hour ago but no one is helping plz help me ....

Answer 4

sorry - but I don't know anything about assembler :(

Answer 5

oh ok no problem but can you refer someone who can help ???

Answer 6

I'm sure I even know anyone who knows assembler - apart from you of course :)

Answer 7

*I'm NOT sure...

Answer 8

lol :P

Answer 9

may be this l help


DATA SEGMENT
X DW 0FFFFH
MSG1 DB 10,13,'NUMBER IS PALINDROME$'
MSG2 DB 10,13,'NUMBER IS NOT PALINDROME$'
DATA ENDS
CODE SEGMENT
ASSUME CS:CODE,DS:DATA
START: MOV AX,DATA
MOV DS,AX
MOV AX,X
MOV CL,10H
UP: ROR AX,1
RCL DX,1
LOOP UP
CMP AX,DX
JNZ DOWN
LEA DX,MSG1
MOV AH,09H
INT 21H
JMP EXIT
DOWN: LEA DX,MSG2
MOV AH,09H
INT 21H
EXIT:MOV AH,4CH
INT 21H
CODE ENDS
END START
Output: Number is Palindrome
;Load the Data to AX.
;Move the Data AX to DS.
;Move DW to AX.
;Initialize the counter 10.
;Rotate right one time.
;Rotate left with carry one time.
;Loop the process.
;Compare AX and DX.
;If no zero go to DOWN label.
;Declare as a PALINDROME.
;Jump to EXIT label.
; Declare as not a PALINDROME
-

Answer 10

ok thank you very much i m your fan :) ty ty ty infinity

Answer 11

but still my problem is there i've to take data from user

Answer 12

lol i dont remember things properly sorry :P