K 10 svn:author V 6 adrian K 8 svn:date V 27 2012-08-15T07:10:10.594700Z K 7 svn:log V 286 Extend the sample mask from 32 bits to 64 bits. This is required to support > MCS15 as more than 32 bit rate entries are suddenly available. This is quite messy - instead of doing typecasts at each mask operation, this should be migrated to use a macro and have that do the typecast. END