K 10
svn:author
V 3
ian
K 8
svn:date
V 27
2015-01-18T20:47:21.274720Z
K 7
svn:log
V 270
Save the command-and-flags value into the shadow register when it is written.

This doesn't actually change any behavior, because it just allows a 16-bit
read of the command register to return the correct value, and nothing
actually does a 16-bit read of that register.

END