functions for register pretty-printing.
Implement "top bit of SCBID is valid bit" qoutfifo delivery scheme.
"the the" -> "the".
Remove old and never used tag collision chain handling in the
sequencer. Tag collisions are never allowed to get as far as
on the controller.
Simplify busy target table handling routines.
Update comments to reflect reality.
Add support for catching more protocol violations.
Correct a bug in data fifo handling in mixed packetized and
non-packetized environments. SG_STATE must be cleared even
if an SG fetch is not in progress at the time of FIFO shutdown
or we may confuse the non-packetized transaction idle-loop.
e69206fb17