div idiv

div:
   div ebx     ;     eax = edx:eax  /  ebx  .   remainder will be put in edx


example:
   mov edx, 0
   mov eax, 0xd
   mov ebx, 5
   div ebx
   ;; result:   eax=2,  edx=3

#somehow my immunity debugger not accept 'div 0x75' instruction

idiv:
   signed version of div