Now uses UNIT_VBLANK for timer unit on non-OS4 systems to reduce the overhead.
Now uses UNIT_VBLANK for timer unit on non-OS4 systems to reduce the overhead.

jens-maus/amissl,jens-maus/amissl,jens-maus/amissl,jens-maus/amissl,jens-maus/amissl,jens-maus/amissl