DummyAY8910Periphery.hh

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#ifndef DUMMYAY8910PERIPHERY_HH
#define DUMMYAY8910PERIPHERY_HH
 
#include "AY8910Periphery.hh"
 
namespace openmsx {
 
class DummyAY8910Periphery final : public AY8910Periphery
{
public:
        [[nodiscard]] static DummyAY8910Periphery& instance()
        {
                static DummyAY8910Periphery oneInstance;
                return oneInstance;
        }
 
        [[nodiscard]] byte readA(EmuTime::param /*time*/) override { return 255; }
        [[nodiscard]] byte readB(EmuTime::param /*time*/) override { return 255; }
        void writeA(byte /*value*/, EmuTime::param /*time*/) override {}
        void writeB(byte /*value*/, EmuTime::param /*time*/) override {}
 
private:
        DummyAY8910Periphery() = default;
        ~DummyAY8910Periphery() = default;
};
 
}; // namespace openmsx
 
#endif