TimberWolf Systems, Inc. release version 1.2.1 date 7/9/95.
Renamed sc_route to TWroute.  Renamed translate to TWtranslate.
Fixed floating point problem with outputting the position of
cells.  Previously, the start of the row would be output as
0.5 instead of 1 in the case that the first cell had odd width.
Converted the edit_*files scripts to Bourne shell script for
portability and more uniform execution across platforms.
Modified the twos script to exec the command to save process
resources.   In addition, twos now checks to see if we are
executing a script in the ./TimberWolf/bin directory.  This
fixes the problem of not finding edit_twfiles.  Expanded the
range of the linear assignment module to be able to handle
larger designs.  This will eliminate warning in the global
router.  The problem with multiple instance of the same
explicit feed cell name in the .pl7 file has been remedied.
The global router macro cell code has been optimized.  Now
the global router finds better routes in designs with macro
cells.   The macro cell feedthru assignment code has been
rewritten.  Previously, a pin mapping problem caused a crash
in the graph routing code.  Fixed problem in over_the_cell
mode where excessive feedthrus were added.  Fixed problem
with "cell does not have proper width..." message in the global
router.  Now only real problems will cause the message to be
output.  Added automatic scaling to the global router to allow
accurate output positions of submicron data.  Moved placement
of the graphics pause in the global router so that the user
can see the maximum density information.  Eliminated a
problem with the global router uttering "don't know how
to handle this case".  Fixed the problem with the license 
server's time verification routines.  Added more error messages
for license server startup procedure.  Now the parallel version
of TimberWolf uses 2 licenses instead of the # of processors
used.  The .blk file now allows alignment of the cell to the top,
center, or bottom of the row.  Now allow cells to properly switch 
orientation when using orientation_optimization.  Previously,
the code was overly conservative.  Fixed numerous problems
with the translation program TWtranslate.