Logo 
Search:

Assembly Language Articles

Submit Article
Home » Articles » Assembly Language » Homework HelpRSS Feeds

Program to convert Hexadecimal number to Binary number

Posted By: Rose Hughes     Category: Assembly Language     Views: 7469

Write a Program to convert Hexadecimal number to Binary number.

Code for Program to convert Hexadecimal number to Binary number in Assembly Language

prnstr macro msg
        mov ah, 09h
        lea dx, msg
        int 21h
        endm

data segment
        hex db 5
            db 0
            db 5 dup(0)
        ans db 17 dup(' ')
        buf1 db "Enter the hexadecimal nmber : $"
        buf2 db 0ah, "The equivalent binary value is : $"
        buf3 db 0dh, 0ah, "Invalid hexadecimal value...$"
        multiplier db 10h
data ends

code segment
        assume cs:code, ds:data
start :
        mov ax, data
        mov ds, ax
        mov es, ax

        prnstr buf1

        mov ah, 0ah
        lea dx, hex
        int 21h

        mov si, offset hex + 2
        mov cx, 0000h
        mov cl, byte ptr [si-1]
subtract :
        mov al, byte ptr [si]
        cmp al, 41h
        jb numb
        cmp al, 47h
    jb cont1
        prnstr buf3
        jmp stop
cont1 :
        sub al, 41h
        add al, 0ah
        jmp cont2
numb :
        cmp al, 30h
        jnb cont3
        prnstr buf3
        jmp stop
cont3 :
        cmp al, 3ah
        jb cont4
        prnstr buf3
        jmp stop
cont4:
        sub al, 30h
cont2 :
        mov byte ptr [si], al
        inc si
        loop subtract

        mov ax, 0000h
        mov si, offset hex + 2
        mov cl, byte ptr [si-1]
loop1 :
        mul multiplier
        mov bl, byte ptr [si]
        mov bh, 00h
        add ax, bx
        inc si
        loop loop1

        mov bx, ax
        mov ax, 8000h
        mov di, offset ans
        mov dx, 0000h
next1 :
        mov cx, 0000h
next2 :
        cmp bx, ax
        jb cont
        sub bx, ax
        inc cx
        jmp next2
cont :
        add cx, 30h
        mov byte ptr [di], cl
        inc di
        mov cx, 0002h
        div cx
        cmp ax, 0000h
        jnz next1

        mov byte ptr [di], '$'
        prnstr buf2
        prnstr ans
stop :
        mov ax, 4c00h
        int 21h
code ends
        end start
  
Share: 


Didn't find what you were looking for? Find more on Program to convert Hexadecimal number to Binary number Or get search suggestion and latest updates.

Rose Hughes
Rose Hughes author of Program to convert Hexadecimal number to Binary number is from London, United Kingdom.
 
View All Articles

 
Please enter your Comment

  • Comment should be atleast 30 Characters.
  • Please put code inside [Code] your code [/Code].

 
No Comment Found, Be the First to post comment!