DSP comments & minor reorganization (moved all DSP state into the g_dsp struct). No functionality change.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4813 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Core/DSPCore/Src/DSPIntExtOps.h

@@ -63,6 +63,7 @@ void nop(const UDSPInstruction& opc);
 } // end namespace Ext
 } // end namespace DSPinterpeter
 
+// Needs comments.
 inline void writeToBackLog(int i, int idx, u16 value)
 {
 	writeBackLog[i] = value;