AMOSi:Set Wave
an example can be found on AMOSPro_Examples:Examples/H-7/Help_76.AMOS
Selects a WAVEform for your sound. Waves 0 and 1 are permanently set up. So start new wave numbers from 2 upwards. You can then set the shape of the waveform from a list of 256 sample values in shape$.
Set Wave number,shape$