New soft:

              ---------
             |  helix  |             --------
 STR, SVX -> | genmask | -> BTRI -> | maskdb | -> SITR
  |          | gencode |            | padsim |
  |           ---------              --------
  |              ^                     ^
  |              |                     |
  |            padgeom                 |
  |                                    |
-----------------------------------------------------
  |                                    |
  |                                    |
 ------            ------    BRPX    BRPE
 BSGEOM -> BRST -> BSDIGI -> BRSX -> BRSE
 ------            ------
  |                 |
 BGAS              BGAS
 CGDB              BDSS