'Filter logo banner from invocations of asm.exe.'

def ExecAsmWrapper(self, arch, *args):

    env = self._GetEnv(arch)
    popen = subprocess.Popen(args, shell=True, env=env, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
    (out, _) = popen.communicate()
    for line in out.splitlines():
        if ((not line.startswith('Copyright    (C)    Microsoft    Corporation')) and (not line.startswith('Microsoft    (R)    Macro    Assembler')) and (not line.startswith('    Assembling:    ')) and line):
            print line
    return popen.returncode
