More work. Audio driver works enough to play music now.

PortabilityLayer/QDManager.h

@@ -0,0 +1,25 @@
+#pragma once
+
+struct ColorTable;
+struct CGraf;
+struct GDevice;
+struct Rect;
+
+namespace PortabilityLayer
+{
+	class QDPort;
+	struct QDState;
+
+	class QDManager
+	{
+	public:
+		virtual void Init() = 0;
+		virtual void GetPort(QDPort **gw, GDevice ***gdHandle) = 0;
+		virtual void SetPort(QDPort *gw, GDevice **gdHandle) = 0;
+		virtual int NewGWorld(CGraf **gw, int depth, const Rect &bounds, ColorTable **colorTable, GDevice **device, int flags) = 0;
+
+		virtual QDState *GetState() = 0;
+
+		static QDManager *GetInstance();
+	};
+}