CartridgeSlotManager.hh

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#ifndef CARTRIDGESLOTMANAGER_HH
#define CARTRIDGESLOTMANAGER_HH
 
#include "RecordedCommand.hh"
#include "MSXMotherBoard.hh"
#include "InfoTopic.hh"
#include "TclObject.hh"
#include <optional>
#include <string_view>
 
namespace openmsx {
 
class HardwareConfig;
 
class CartridgeSlotManager
{
public:
        explicit CartridgeSlotManager(MSXMotherBoard& motherBoard);
        ~CartridgeSlotManager();
 
        static int getSlotNum(std::string_view slot);
 
        void createExternalSlot(int ps);
        void createExternalSlot(int ps, int ss);
        void removeExternalSlot(int ps);
        void removeExternalSlot(int ps, int ss);
        void testRemoveExternalSlot(int ps, const HardwareConfig& allowed) const;
        void testRemoveExternalSlot(int ps, int ss, const HardwareConfig& allowed) const;
 
        // Query/allocate/free external slots
        void getSpecificSlot(unsigned slot, int& ps, int& ss) const;
        void getAnyFreeSlot(int& ps, int& ss) const;
        void allocateSlot(int ps, int ss, const HardwareConfig& hwConfig);
        void freeSlot(int ps, int ss, const HardwareConfig& hwConfig);
 
        // Allocate/free external primary slots
        [[nodiscard]] int allocateAnyPrimarySlot(const HardwareConfig& hwConfig);
        [[nodiscard]] int allocateSpecificPrimarySlot(unsigned slot, const HardwareConfig& hwConfig);
        void freePrimarySlot(int ps, const HardwareConfig& hwConfig);
 
        [[nodiscard]] bool isExternalSlot(int ps, int ss, bool convert) const;
 
private:
        [[nodiscard]] int getSlot(int ps, int ss) const;
 
private:
        MSXMotherBoard& motherBoard;
 
        class CartCmd final : public RecordedCommand {
        public:
                CartCmd(CartridgeSlotManager& manager, MSXMotherBoard& motherBoard,
                        std::string_view commandName);
                void execute(std::span<const TclObject> tokens, TclObject& result,
                             EmuTime::param time) override;
                [[nodiscard]] std::string help(std::span<const TclObject> tokens) const override;
                void tabCompletion(std::vector<std::string>& tokens) const override;
                [[nodiscard]] bool needRecord(std::span<const TclObject> tokens) const override;
        private:
                const HardwareConfig* getExtensionConfig(std::string_view cartname);
                CartridgeSlotManager& manager;
                CliComm& cliComm;
        } cartCmd;
 
        struct CartridgeSlotInfo final : InfoTopic {
                explicit CartridgeSlotInfo(InfoCommand& machineInfoCommand);
                void execute(std::span<const TclObject> tokens,
                             TclObject& result) const override;
                [[nodiscard]] std::string help(std::span<const TclObject> tokens) const override;
        } extSlotInfo;
 
        struct Slot {
                ~Slot();
                [[nodiscard]] bool exists() const;
                [[nodiscard]] bool used(const HardwareConfig* allowed = nullptr) const;
 
                std::optional<CartCmd> cartCommand;
                std::optional<ExtCmd> extCommand;
                const HardwareConfig* config = nullptr;
                unsigned useCount = 0;
                int ps = 0;
                int ss = 0;
        };
        static constexpr unsigned MAX_SLOTS = 16 + 4;
        Slot slots[MAX_SLOTS];
};
 
} // namespace openmsx
 
#endif