sound rates in response to GBA timer adjustments instead of recalculating on every sample. git-svn-id: https://svn.code.sf.net/p/vbam/code/trunk@18 a31d4220-a93d-0410-bf67-fe4944624d44
optimized code for sound filtering git-svn-id: https://svn.code.sf.net/p/vbam/code/trunk@17 a31d4220-a93d-0410-bf67-fe4944624d44
git-svn-id: https://svn.code.sf.net/p/vbam/code/trunk@2 a31d4220-a93d-0410-bf67-fe4944624d44