Write an assembly language to determine whether a number is odd or even.

Experiment Name: Write an assembly language to determine whether a number is odd or even.

Objective:

(i) To know about several command in the Assembly language.

(ii) Input a Character.

(iii) Output a Character.

Source Code:

.model small

print macro msg

          lea dx,msg

                   mov ah,09h

                   int 21h

endm          ;end of macro

.data

msg1db0dh,0ah, ‘Enter the number:$’

msg2 db0dh,0ah, ‘It is an even number. $’

msg3 db 0dh,0ah, ‘It is an odd number. $’

.code

main proc

          mov ax,@data

          mov ds,ax

          print msg1

          mov ah,01h

          int 21h

          sub al,30h

          mov bl,02

          div bl

          cmp ah,00

          jz s2

          print msg3

          jmp l4

         

          s2:

                   print msg2

          l4:

                   mov ah,4ch

                   int 21h

main endp

end main

Input/output:

          Enter the number:3

          It is an odd number.

          Enter the number:4

          It is an even number.