an example can be found on AMOSPro_Tutorial:Tutorials/Collision_Detection.AMOS
Looks for collisions between several sprites. These sprites MUST have been previously initialised with the MAKE MASK option.
If another sprite has collided with your source object, you'll get a value of -1. Otherwise the result will be zero.
There's also a more selective version of this function.
c=Sprite Col(source,first TO last)
Only checks for collisions between the source object and sprites from first to last. (See COL,MAKE MASK)