AMOSi:Hot Spot
an example can be found on AMOSPro_Tutorial:Tutorials/Hardware_Sprites.AMOS
Positions the reference point for all coordinate calculations.
Hot Spot image,x,y
Automatically adds x and y to the sprite coordinates before use.
Hot Spot image,p
p moves the hotspot to one of of 9 pre-set positions
$00 $10 $20
$01 $11 $21 $02 $21 $22