1 files changed, 69 insertions, 0 deletions
diff --git a/SrcShared/Hardware/EmCPU.h b/SrcShared/Hardware/EmCPU.h
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+/* -*- mode: C++; tab-width: 4 -*- */
+/* ===================================================================== *\
+	Copyright (c) 1998-2001 Palm, Inc. or its subsidiaries.
+	All rights reserved.
+
+	This file is part of the Palm OS Emulator.
+
+	This program is free software; you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation; either version 2 of the License, or
+	(at your option) any later version.
+\* ===================================================================== */
+
+#ifndef EmCPU_h
+#define EmCPU_h
+
+class EmSession;
+class SessionFile;
+
+class EmCPU;
+extern EmCPU*	gCPU;
+
+class EmCPU
+{
+	public:
+		// -----------------------------------------------------------------------------
+		// constructor / destructor
+		// -----------------------------------------------------------------------------
+
+								EmCPU 				(EmSession*);
+		virtual 				~EmCPU				(void);
+
+		// -----------------------------------------------------------------------------
+		// public methods
+		// -----------------------------------------------------------------------------
+
+		// Standard sub-system methods:
+		//		Reset:	Resets the state.  Called on hardware resets or on
+		//				calls to SysReset.  Also called from constructor.
+		//		Save:	Saves the state to the given file.
+		//		Load:	Loads the state from the given file.  Can assume that
+		//				Reset has been called first.
+
+		virtual void 			Reset				(Bool hardwareReset);
+		virtual void 			Save				(SessionFile&);
+		virtual void 			Load				(SessionFile&);
+
+		// Execute the main CPU loop until asked to stop.
+
+		virtual void 			Execute 			(void) = 0;
+		virtual void 			CheckAfterCycle		(void) = 0;
+
+		// Low-level access to CPU state.
+
+		virtual emuptr			GetPC				(void) = 0;
+		virtual emuptr			GetSP				(void) = 0;
+		virtual uint32			GetRegister			(int) = 0;
+
+		virtual void			SetPC				(emuptr) = 0;
+		virtual void			SetSP				(emuptr) = 0;
+		virtual void			SetRegister			(int, uint32) = 0;
+
+		virtual Bool			Stopped				(void) = 0;
+
+	protected:
+		EmSession*				fSession;
+};
+
+#endif /* EmCPU_h */