Assembly Lang.

INCLUDE Irvine32.inc

.data

prompt1 BYTE "Please Enter Number: ", 0

val1 DWORD ?

.code

main proc

mov edx, offset prompt1

call WriteString

call readInt

mov val1, eax

call Crlf

push val1

call Factorial

call WriteDec

call crlf

invoke ExitProcess,0

main endp

Factorial PROC

push ebp

mov ebp,esp

mov eax,[ebp+8]

cmp eax,0

ja L1

mov eax, 1

jmp L2

L1: dec eax

push eax

call Factorial

returnFac:

mov ebx,[ebp+8]

mul ebx

L2: pop ebp

ret 4

Factorial ENDP

end main

- What will happen to the Factorial programs output when you try calculate 13! And why?

- How many bytes of stack space will be used by the Factorial subroutine when calculating 3!?