This command performs no operation (in other words, it does not do anything). Nop is a sequence of eight bytes of 0. It basically is a filler command which takes up space but does not affect the contents of any register or other command sequences. This command is useful to replace existing commands without altering the command position number which may be referred to by other commands in the PGC.

DVD Command	Hex Encoding
Nop	00 00 00 00 00 00 00 00