Dividing in Assembler x86

Question

My college gave me a exercise:

1. Create a new document in Jasmin

2. Use the AL-Register to to add 9 to 8.

3. Subtract 2.

Answer 1

This code works for only single digit numbers division.

.model small
.data
 msg1 db 'enter dividend:$'
 msg2 db 10,13,'enter divisor:$'
 result db 10,13,'result is:$'
 dividend db ?
 divisor db ?
.code
.startup
mov ax,@data
mov ds,ax
mov ah,9
lea dx,msg1
int 21h
mov ah,1
int 21h
sub al,30h
mov dividend ,al
mov ah,9
lea dx,msg2
int 21h
mov ah,1
int 21h
sub al,30h
mov divisor , al
mov al,dividend
mov bl,divisor
mov ah,0
div bl
mov ah,9
lea dx,result
int 21h
mov ah,2
add al,30h
mov dl,al
int 21h
mov ah,4ch
int 21h
end