dump command line parameter

Signed-off-by: Tony Nie <caicai0119@gmail.com>
dump command line parameter length

Signed-off-by: Tony Nie <caicai0119@gmail.com>
transfer ascii to binary

Signed-off-by: Tony Nie <caicai0119@gmail.com>
implement multiplication

Signed-off-by: Tony Nie <caicai0119@gmail.com>