code which are relevant and need to be included. Current state
is that hierarchical extresist "basically works" but entry and
exit points through the hierarchy are not being examined, so
results are currently based on port positions and not actual
connections. Also, proper distribution of coupling caps has not
yet been worked on.
Rebased, fixing merge conflict.
device extraction working, and also resolved an unrelated error
in "getnode" and another unrelated error reading "resist" values
from the tech file "extract" section.
involving searches on split tile areas, including one very
important check for interaction between split tiles during
hierarchical extraction. There is still something wrong in
the hierarchical extraction, but it could be the last remaining
issue.
the extraction, especially for routines like ExtFindNeighbors where
it was previously not handled at all. A new method was introduced
in which split tiles with neither side TT_SPACE will get an extra
allocated structure that contains pointers to two regions representing
the nodes on the tile's left and right sides, independently. The fix
(as yet not fully tested) should resolve problems with extracting the
sky130 I/O cells, which contain a FET with 45 degree angles on the
gate, where a split tile is divided between the gate and the source or
drain, and therefore represents two different nodes. Also, there were
extraction errors related to incorrect handling of split tiles having
only one node, where a split tile became connected to the wrong node.
especially around the extraction code. Extraction is now
more or less working, although the original known issues
around areas where split tiles contain two regions has not
yet been addressed.
and forcing it to be passed as an argument to all the callback
functions for the search routines that require it. Magic now
compiles and runs with the new code, but there are a number of
known issues that need to be fixed up. Committing now so that
I can rebase on the last update to the master branch.
called the undo record generation twice when transforming (move,
copy, etc.) cell instances. This would cause the "undo" command
to regenerate the old instance position in the bplane records,
generally causing trouble down the road (did not encounter any
fatal errors, but it can't be good).
This correction allows a full path to be passed for the cellname
and will (correctly) break the path into cell name and path
components (previously was naming the cell with the full path).
To avoid name conflicts, the cell name gets modified if the path
cannot be resolved against an existing cell of the same name.
development had been halted since it was first created back in April.
Version 8.2 is now the official development version, with the first
development push to create a Cairo graphics interface.
R. Timothy Edwards
Sai Charan Lanka