Assembly Language Project : Simple Calculator

#btsshorts #btsvideos #assemblylanguage #assembly

[progressivelearning]

org 100h

; add your code here
.model small
.data
.code

jmp start ; jump over data declaration
msg0: db , 0dh,0ah, " ___> Simple calculator <___", 0dh,0ah,'$'


msg: db 0dh, 0ah, "1-Add", 0dh, 0ah, "2-Multiply", 0dh, 0ah, "3-Subtract", 0dh, 0ah, "4-Divide", 0Dh, 0Ah, '$'
msg1: db 0dh, 0ah, "Enter a number between 1, 4 if you want any calculation ::", 0Dh, 0Ah, '$'
msg2: db 0dh, 0ah, "Enter First No : $"
msg3: db 0dh, 0ah, "Enter Second No : $"
msg4: db 0dh, 0ah, "Choice Error....please Enter any key which is in rang (1-4)", 0Dh, 0Ah, " $"
msg5: db 0dh, 0ah, "Result : $"
msg6: db 0dh, 0ah, 'thank you for using the calculator! press any key... ', 0Dh, 0Ah, '$'

start: mov ah, 9
mov dx, offset msg0
int 21h



mov ah, 9
mov dx, offset msg
int 21h

mov ah, 9
mov dx, offset msg1
int 21h

mov ah, 0
int 16h
cmp al, 31h
je Addition
cmp al, 32h ;
je Multiply
cmp al, 33h
je Subtract
cmp al, 34h
je Divide
mov ah, 09h
mov dx, offset msg4
int 21h
mov ah, 0
int 16h
jmp start


Addition: mov ah, 09h
mov dx, offset msg2
int 21h
mov cx, 0
call InputNo
push dx
mov ah, 9
mov dx, offset msg3
int 21h
mov cx, 0
call InputNo
pop bx
add dx, bx
push dx
mov ah, 9
mov dx, offset msg5
int 21h
mov cx, 10000
pop dx
call View
jmp exit

InputNo: mov ah, 0
int 16h
mov dx, 0
mov bx, 1
cmp al, 0dh
je FormNo
sub ax, 30h
call ViewNo
mov ah, 0
push ax
inc cx
jmp InputNo

FormNo: pop ax
push dx
mul bx
pop dx
add dx, ax
mov ax, bx
mov bx, 10
push dx
mul bx
pop dx
mov bx, ax
dec cx
cmp cx, 0
jne FormNo
ret




View: mov ax, dx
mov dx, 0
div cx
call ViewNo
mov bx, dx
mov dx, 0
mov ax, cx
mov cx, 10
div cx
mov dx, bx
mov cx, ax
cmp ax, 0
jne View
ret


ViewNo: push ax
push dx
mov dx, ax
add dl, 30h
mov ah, 2
int 21h
pop dx
pop ax
ret


exit: mov dx, offset msg6
mov ah, 09h
int 21h


mov ah, 0
int 16h

ret


Multiply: mov ah, 09h
mov dx, offset msg2
int 21h
mov cx, 0
call InputNo
push dx
mov ah, 9
mov dx, offset msg3
int 21h
mov cx, 0
call InputNo
pop bx
mov ax, dx
mul bx
mov dx, ax
push dx
mov ah, 9
mov dx, offset msg5
int 21h
mov cx, 10000
pop dx
call View
jmp exit


Subtract: mov ah, 09h
mov dx, offset msg2
int 21h
mov cx, 0
call InputNo
push dx
mov ah, 9
mov dx, offset msg3
int 21h
mov cx, 0
call InputNo
pop bx
sub bx, dx
mov dx, bx
push dx
mov ah, 9
mov dx, offset msg5
int 21h
mov cx, 10000
pop dx
call View
jmp exit


Divide: mov ah, 09h
mov dx, offset msg2
int 21h
mov cx, 0
call InputNo
push dx
mov ah, 9
mov dx, offset msg3
int 21h
mov cx, 0
call InputNo
pop bx
mov ax, bx
mov cx, dx
mov dx, 0
mov bx, 0
div cx
mov bx, dx
mov dx, ax
push bx
push dx
mov ah, 9
mov dx, offset msg5
int 21h
mov cx, 10000
pop dx
call View
pop bx
cmp bx, 0
je exit
jmp exit




ret

[farhadrashid]

Excellent work. Could you please provide a detailed explanation of how to implement file handling to store the calculated result in a new text file named 'result.txt'?

[aniketchauhan]

What software are you using to run this code