int __fastcall CmosWriteByte(int a1, int a2)
{
  int result; // eax
  int v5; // [esp+8h] [ebp-4h] BYREF

  v5 = 0;
  result = GetCmosService(&v5);
  if ( result >= 0 )
    return (*(int (__cdecl **)(int, int, int))(v5 + 8))(v5, a1, a2);
  return result;
}