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);
 
        void reset(bool scsireset);
 
        [[nodiscard]] byte readAuxStatus();
        [[nodiscard]] byte readCtrl();
        [[nodiscard]] byte peekAuxStatus() const;
        [[nodiscard]] 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);
 
private:
        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