.. _hw_mem_map:

Homework - x86 Assembly Language
===============================================

Decompile the following assembly language code to the original C code.
You may to draw a memory map as an aid.

::

    .sect .text; .sect .rom; .sect .data; .sect .bss
    .extern _main
    .sect .text
    _main:
    push ebp
    mov ebp,esp
    push 3
    call _f
    pop ecx
    push eax
    push I_1
    call _printf
    pop ecx
    pop ecx
    xor eax,eax
    leave
    ret
    .sect .rom
    I_1:
    .extern _f
    .data4	680997 # ASCII for "%d\n"
    .sect .text
    _f:
    push ebp
    mov ebp,esp
    push esi
    cmp 8(ebp),1
    jg I2_4
    mov esi,1
    jmp I2_5
    I2_4:
    mov edx,8(ebp)
    dec edx
    push edx
    call _f
    pop ecx
    mov edx,8(ebp)
    sub edx,2
    push eax
    push edx
    call _f
    pop ecx
    pop esi
    add esi,eax
    I2_5:
    mov eax,esi
    pop esi
    leave
    ret