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 <array>
#include <memory>
 
namespace openmsx {
 
class DeviceConfig;
 
class WD33C93
{
public:
        explicit WD33C93(const DeviceConfig& config);
 
        void reset(bool scsiReset);
 
        [[nodiscard]] uint8_t readAuxStatus();
        [[nodiscard]] uint8_t readCtrl();
        [[nodiscard]] uint8_t peekAuxStatus() const;
        [[nodiscard]] uint8_t peekCtrl() const;
        void writeAdr(uint8_t value);
        void writeCtrl(uint8_t value);
 
        template<typename Archive>
        void serialize(Archive& ar, unsigned version);
 
private:
        void disconnect();
        void execCmd(uint8_t value);
 
private:
        AlignedByteArray<SCSIDevice::BUFFER_SIZE> buffer;
        std::array<std::unique_ptr<SCSIDevice>, 8> dev;
        unsigned bufIdx;
        unsigned counter = 0;
        unsigned blockCounter = 0;
        int tc;
        SCSI::Phase phase;
        uint8_t myId;
        uint8_t targetId = 0;
        std::array<uint8_t, 32> regs;
        uint8_t latch;
        bool devBusy = false;
};
 
} // namespace openmsx
 
#endif