WD33C93.hh

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/* Ported from:
** Source: /cvsroot/bluemsx/blueMSX/Src/IoDevice/wd33c93.h,v
** Revision: 1.6
** Date: 2007/03/22 10:55:08
**
** More info: http://www.bluemsx.com
**
** Copyright (C) 2003-2007 Daniel Vik, Ricardo Bittencourt, white cat
*/

#ifndef WD33C93_HH
#define WD33C93_HH

#include "SCSI.hh"
#include "SCSIDevice.hh"
#include "AlignedBuffer.hh"
#include <memory>

namespace openmsx {

class DeviceConfig;

class WD33C93
{
public:
        explicit WD33C93(const DeviceConfig& config);
        ~WD33C93();

        void reset(bool scsireset);

        byte readAuxStatus();
        byte readCtrl();
        byte peekAuxStatus() const;
        byte peekCtrl() const;
        void writeAdr(byte value);
        void writeCtrl(byte value);

        template<typename Archive>
        void serialize(Archive& ar, unsigned version);

private:
        void disconnect();
        void execCmd(byte value);

        AlignedByteArray<SCSIDevice::BUFFER_SIZE> buffer;
        std::unique_ptr<SCSIDevice> dev[8];
        unsigned bufIdx;
        int counter;
        unsigned blockCounter;
        int tc;
        SCSI::Phase phase;
        byte myId;
        byte targetId;
        byte regs[32];
        byte latch;
        bool devBusy;
};

} // namespace openmsx

#endif