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/* -*- mode: C++; tab-width: 4 -*- */
/* ===================================================================== *\
Copyright (c) 2000-2001 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 EmRegs_h
#define EmRegs_h
#include <vector>
class SessionFile;
struct EmAddressBank;
class EmRegs
{
public:
EmRegs (void);
virtual ~EmRegs (void);
virtual void Initialize (void);
virtual void Reset (Bool hardwareReset);
virtual void Save (SessionFile&);
virtual void Load (SessionFile&);
virtual void Dispose (void);
void SetBankHandlers (EmAddressBank&);
virtual void SetSubBankHandlers (void) = 0;
virtual uint32 GetLong (emuptr address);
virtual uint32 GetWord (emuptr address);
virtual uint32 GetByte (emuptr address);
virtual void SetLong (emuptr address, uint32 value);
virtual void SetWord (emuptr address, uint32 value);
virtual void SetByte (emuptr address, uint32 value);
virtual int ValidAddress (emuptr address, uint32 size);
virtual uint8* GetRealAddress (emuptr address) = 0;
virtual emuptr GetAddressStart (void) = 0;
virtual uint32 GetAddressRange (void) = 0;
protected:
typedef uint32 (EmRegs::*ReadFunction) (emuptr address, int size);
typedef void (EmRegs::*WriteFunction) (emuptr address, int size, uint32 value);
void SetHandler (ReadFunction read,
WriteFunction write,
uint32 start, int count);
uint32 UnsupportedRead (emuptr address, int size);
uint32 StdRead (emuptr address, int size);
uint32 StdReadBE (emuptr address, int size);
uint32 ZeroRead (emuptr address, int size);
void UnsupportedWrite (emuptr address, int size, uint32 value);
void StdWrite (emuptr address, int size, uint32 value);
void StdWriteBE (emuptr address, int size, uint32 value);
void NullWrite (emuptr address, int size, uint32 value);
private:
typedef vector<ReadFunction> ReadFunctionList;
typedef vector<WriteFunction> WriteFunctionList;
ReadFunctionList fReadFunctions;
WriteFunctionList fWriteFunctions;
};
typedef vector<EmRegs*> EmRegsList;
#endif /* EmRegs_h */
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