an example can be found on AMOSPro_Examples:Examples/H-3/Help_35.AMOS
SAVEs the current screen as an IFF picture on your disc.
Save Iff "filename"
A compression code can be used as an option for compacting the screen before it is saved. This code is set to zero to save the screen as it is, or set to 1 to use the standard file compression system for saving memory.
Save Iff "filename",compressioncode