PROGRAM TO PERFORM ARITHMETIC OPERATIONS(ADD,SUB,DIV)

mmicroprocessor.blogspot.com

.model small

.data

opr1 db 11h

opr2 db 11h

sum db 2 dup(0)

subt db 2 dup(0)

div1 db 2 dup(0)

div2 db 2 dup(0)

m1 db " sum is : $"

m2 db 0Dh,0Ah," difference is : $"

m3 db 0Dh,0Ah," division is : $"

.code

.startup

mov dx,offset m1

mov ah,09h

int 21h

mov al,opr1

mov bl,opr2

add al,bl

mov sum,al

mov al,sum

CALL P1

mov dx,offset m2

mov ah,09h

int 21h

mov al,opr1

sub al,bl

mov subt,al

mov al,subt

CALL P1

mov dx,offset m3

mov ah,09h

int 21h

mov al,opr1

cbw

div bl

mov div1,al

mov DIV2,ah

mov al,DIV2

CALL P1

MOV AL,DIV1

CALL P1

mov ah,4ch

int 21h

P1 PROC NEAR

mov dl,al

mov bh,al

and dl,0f0h

mov cl,4

ror dl,cl

add dl,30h

cmp dl,'9'

jbe a0

add dl,7h

a0:

mov ah,02h

int 21h

mov dl,bh

and dl,0fh

add dl,30h

cmp dl,'9'

jbe a1

add dl,7h

a1:

mov ah,02h

int 21h

RET

P1 ENDP

end

Output:

sum is : 22

 difference is : 00

 division is : 0001