This is useful for delay loops. Non Circular Files stop at the end of the file. This is useful for sequencing and wavetable synthesis. The file position must be at the END of the file. Set and Move must trigger at the same time.
Position moves forward, adding a new value.
Circular File is ignored. At full speed, data is written at 176KB per ABox second. Be aware of your hard-drive space. This allows memory caching by the operating system. Andy J Turner.