VDPIODelay.hh

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#ifndef VDPIODELAY_HH
#define VDPIODELAY_HH

#include "MSXDevice.hh"
#include "Clock.hh"

namespace openmsx {

class MSXCPU;
class MSXCPUInterface;

class VDPIODelay : public MSXDevice
{
public:
        VDPIODelay(const DeviceConfig& config, MSXCPUInterface& cpuInterface);

        virtual byte readIO(word port, EmuTime::param time);
        virtual byte peekIO(word port, EmuTime::param time) const;
        virtual void writeIO(word port, byte value, EmuTime::param time);

        const MSXDevice& getInDevice(byte port) const;
        MSXDevice*& getInDevicePtr (byte port);
        MSXDevice*& getOutDevicePtr(byte port);

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

private:
        void delay(EmuTime::param time);

        MSXCPU& cpu;
        MSXDevice* inDevices[4];
        MSXDevice* outDevices[4];
        Clock<7159090> lastTime;
};

} // namespace openmsx

#endif