global menu
extern _menu
menu:
    pop eax
    call .L1
.L1:
    pop eax
    add eax, .L3 - .L1
    cmp dword [eax], 0
    jne .L2
    mov [eax], esp
    jmp .L4

.L2:
    mov edi, [esp]
    mov esp, [eax]
    push edi
    jmp .L4

.L3:
    dq 0

.L4:
    push 0
    jmp _menu