TESTS!

fake_iso
---------
FS_Init should load tweak music file
Consider making it less slow? (probably doesn't matter)
FS_LoadMusic
FS_LoadSoundBank.


iso_cd
-------
work out timing constant
FS_LoadSoundBank magic constants
FS_LoadMusic magic constants

dma
------
DMA_SendToSPUAndSync

iso
-----
InitISOFS - DMA_SendToSPUAndSync
          - STRThread
          - PLAYThread
Move VagDirEntry to somewhere else
magic numbers
more ISOThread message Ids
Handle Sound Stuff
VagCommand field names.
ProcessVAGData
StopVAG
PauseVAG
CalculateVAGVolumes
UnpauseVAG
SetVAGVol
GetPlayPos
UpdatePlayPos
CheckVAGStreamProgress
GetVAGStreamPos
VAG_MarkLoopStart
VAG_MarkLoopEnd
VAG_MarkNonloopStart
VAG_MarkNonloopEnd

stream
---------
the whole thing.