: Indicates end of program
==== <code>ENT‹tone envelope number›[,‹tone env. section›][,‹tone env. section›][,‹tone env. section›][,‹tone env. section›][,‹tone env. section›]</code> ====
:The ENT command define the TONE shape of a sound which means manipulating the frequency in a certain range.
:The command could looks like: