Find a Character is Vowel or Not in Assembly.

org 100h

.model small

.stack 100h

.data

    input db ?

    yes db "Yes it is a vowel$"

    no db "No it is not a vowel$"

   

.code

    main proc

       

        mov dx,@data

        mov ds,dx

           

        ;input

        mov ah,7

        int 21h

        mov input,al

       

        cmp input,"a"

        je vowel

       

        cmp input,"e"

        je vowel

       

        cmp input,"i"

        je vowel

       

        cmp input,"o"

        je vowel

       

        cmp input,"u"

        je vowel

             

        jmp consonant

             

vowel:

     

      lea dx,yes

      mov ah,9

      int 21h

      jmp exit  

     

consonant:

   

      lea dx,no

      mov ah,9

      int 21h

      jmp exit

           

exit:

   

      mov ah,4ch

      int 21h

   

    endp

    end main