MPI assignment

ABDULLAH KAMAL

FAIZAN ASHRAF

SALMAN KHAN

.model small

.data

a db 10,13,'ENTER NUMBER RANGING FROM 0 TO 65535

= $'

b db 10,13,'FOR BINARY PRESS 1 ,FOR OCTAL PRESS 2 ,

FOR HEXA DECIMAL PRESS 3 = $'

c db 10,13,'RESULT = $'

d dw ?

e dw ?

f db 10,13,'$'

g db 10,13,'INVALID INPUT THE PROGRAM WILL NOW

TERMINATE $'

h db 10

i db 'TO ENTER NEW NUMBER PRESS 1 ,PRESS ANY

OTHER KEY TO EXIT $'

.code

main proc

mov ax,@data

mov ds,ax

program: ; main program

mov ah,09h

lea dx,f

int 21h

mov ah,09h

lea dx,a

int 21h

mov bx,10

mov ah,01h

int 21h

mov ah,00h

sub al,30h

mov d,ax

loop1: ;take input

mov ah,01h

int 21h

mov ah,00h

cmp al,0dh ;loop will not break untill enter is

pressed.

jne loop2

jmp next

loop2:

sub ax,30h

mov e,ax

mov ax,d

mul bx

add ax,e

mov d,ax

jmp loop1

next:

mov ah,09h

lea dx,f

int 21h

mov ah,09h

lea dx,b

int 21h

mov ah,01h

int 21h

mov bh,00h

mov ah,00h

mov dx,0

mov cx,0

cmp al,31h ;this command will check the user input

for binary.

je binary

;this command will check the user input for

binary.

cmp al,32h

je octal

;this command will check the user input for

binary.

cmp al,33h

je hexadecimal

jmp invalid

binary:

mov ax,d

mov bx,02

jmp conversion

octal:

mov ax,d

mov bx,08

jmp conversion

hexadecimal:

mov ax,d

mov bx,16

jmp conversion

conversion:

div bx

push dx ;here number is pushed in the stack.

mov dx,0

inc cx

cmp ax,0 ;loop will not break untill ax equal to

zero.

jnz conversion

mov ah,09h

lea dx,f

int 21h

mov ah,09h

lea dx,c

int 21h

display:

pop dx ;here number poped from the stack.

cmp dl,h ;if number is greater than 9 then loop

will break.

jl dis

add dl,07

jmp dis

dis:

add dx,30h

mov ah,2

int 21h

loop display

jmp pend

invalid: ;will check that the selscted option is

valid or not.

mov ah,09h

lea dx,g

int 21h

pend: ;termination of program

mov ah,09h

lea dx,f

int 21h

mov ah,09h

lea dx,i

int 21h

mov ah,09h

lea dx,f

int 21h

mov ah,01h

int 21h

cmp al,31h

je program

mov ah,4ch

int 21h

main endp

end main