wimpslot -min 50k -max 8000k
IconSprites <Obey$Dir>.!Sprites
dir <obey$dir>
| set tetopts -fshapes4 -x23 -y45
|                file   grid size
| tet defaults to tetris rather than pentis
|tet -fshapes
tet -fbitz
|
| Shapes files (ascii file)
| 1	name (6 chars or less)
| 2 x size
| 3 y size
| 4 number of shapes
|   then for each shape
| 1 probability weight
| 2 x size
| 3 y size
|   then a line for each y, mapping out the colours (a-l) space or . is blank.
|   each line must be space padded to the correct length.
