ADVram.hh

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#ifndef ADVRAM_HH
#define ADVRAM_HH
 
#include "MSXDevice.hh"
 
namespace openmsx {
 
class VDP;
class VDPVRAM;
 
class ADVram final : public MSXDevice
{
public:
        explicit ADVram(const DeviceConfig& config);
 
        void reset(EmuTime::param time) override;
 
        [[nodiscard]] byte readIO(word port, EmuTime::param time) override;
        // default peekIO() implementation is ok.
 
        void writeIO(word port, byte value, EmuTime::param time) override;
 
        [[nodiscard]] byte readMem(word address, EmuTime::param time) override;
 
        void writeMem(word address, byte value, EmuTime::param time) override;
 
        template<typename Archive>
        void serialize(Archive& ar, unsigned version);
 
private:
        void init() override;
        [[nodiscard]] inline unsigned calcAddress(word address) const;
 
private:
        VDP* vdp = nullptr;
        VDPVRAM* vram = nullptr;
        /*const*/ unsigned mask;
        unsigned baseAddr;
        bool enabled;
        const bool hasEnable;
        bool planar;
};
 
} // namespace openmsx
 
#endif // ADVRAM_HH