Factorial Assembly Code | Factorial Program in Assembly Language | Assembly Language Program to Find Factorial of a Number

Factorial Assembly Code | Factorial Program in Assembly Language | Assembly Language Program to Find Factorial of a Number

21:16

[org 0x0100]

jmp main

factorial:

   push bp

   mov bp , sp

   push ax

   push dx

   cmp word [bp+4] , 1

   je exit

  

   sub sp , 2

   mov ax , [bp+4]

   dec ax

   push ax

   call factorial

   pop ax

   mov dx , 0

   mul word [bp+4]

   mov [bp+6] , ax

   jmp exit2

  

   exit:

      mov word [bp+6] , 1

     

   exit2:

      pop dx

      pop ax

      pop bp

      ret 2

     

main:

   sub sp , 2

   push 7

   call factorial

   pop ax

  

   mov ax , 0x4c00

   int 0x21