push    ebx edi esi
  mov     esi,[radix]
  lea     edi,[temp_buffer+32]
  mov     ebx,itoa.digits
  cmp     esi,16
  ja      .error
  std
  xor     al,al
  stosb
  mov     eax,[number]
  cmp     [signed],TRUE
  jnz     @F
  test    eax,80000000h
  jz      @F
  neg     eax