//	Altirra - Atari 800/800XL/5200 emulator
//	Copyright (C) 2009-2012 Avery Lee
//
//	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.
//
//	This program is distributed in the hope that it will be useful,
//	but WITHOUT ANY WARRANTY; without even the implied warranty of
//	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//	GNU General Public License for more details.
//
//	You should have received a copy of the GNU General Public License
//	along with this program; if not, write to the Free Software
//	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

#ifndef f_AT_SIOMANAGER_H
#define f_AT_SIOMANAGER_H

class ATCPUEmulator;
class ATCPUEmulatorMemory;
class ATSimulator;
class IATUIRenderer;
struct ATCPUHookNode;

struct ATSIORequest {
	uint8	mDevice;
	uint8	mCommand;
	uint8	mMode;
	uint16	mAddress;
	uint16	mLength;
	uint16	mSector;
	uint8	mAUX[6];
};

class ATSIOManager {
	ATSIOManager(const ATSIOManager&);
	ATSIOManager& operator=(const ATSIOManager&);
public:
	ATSIOManager();
	~ATSIOManager();

	void Init(ATCPUEmulator *cpu, ATSimulator *sim);
	void Shutdown();

	void ReinitHooks();
	void UninitHooks();

	bool TryAccelRequest(const ATSIORequest& req, bool isDSKINV);

private:
	uint8 OnHookDSKINV(uint16);
	uint8 OnHookSIOV(uint16);

	ATCPUEmulator *mpCPU;
	ATCPUEmulatorMemory *mpMemory;
	ATSimulator *mpSim;
	IATUIRenderer *mpUIRenderer;

	ATCPUHookNode *mpSIOVHook;
	ATCPUHookNode *mpDSKINVHook;
};

#endif	// f_AT_SIOMANAGER_H
