// license:BSD-3-Clause // copyright-holders:Sandro Ronco /********************************************************************* kc.h KC85_2/3/4/5 expansion slot emulation *********************************************************************/ #ifndef MAME_BUS_KC_KC_H #define MAME_BUS_KC_KC_H #pragma once #include "imagedev/cartrom.h" /*************************************************************************** TYPE DEFINITIONS ***************************************************************************/ // ======================> device_kcexp_interface class device_kcexp_interface : public device_interface { public: // construction/destruction virtual ~device_kcexp_interface(); // reading and writing virtual uint8_t module_id_r() { return 0xff; } virtual void control_w(uint8_t data) { } virtual void read(offs_t offset, uint8_t &data) { } virtual void write(offs_t offset, uint8_t data) { } virtual void io_read(offs_t offset, uint8_t &data) { } virtual void io_write(offs_t offset, uint8_t data) { } virtual uint8_t* get_cart_base() { return nullptr; } virtual void mei_w(int state) { } protected: device_kcexp_interface(const machine_config &mconfig, device_t &device); }; // ======================> kcexp_slot_device class kcexp_slot_device : public device_t, public device_single_card_slot_interface { public: // construction/destruction template kcexp_slot_device(machine_config const &mconfig, char const *tag, device_t *owner, T &&opts, char const *dflt) : kcexp_slot_device(mconfig, tag, owner, (uint32_t)0) { set_options(std::forward(opts), dflt, false); } kcexp_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); virtual ~kcexp_slot_device(); auto irq() { return m_out_irq_cb.bind(); } auto nmi() { return m_out_nmi_cb.bind(); } auto halt() { return m_out_halt_cb.bind(); } // inline configuration template void set_next_slot(T &&next_module_tag) { m_next_slot.set_tag(std::forward(next_module_tag)); } // reading and writing virtual uint8_t module_id_r(); virtual void control_w(uint8_t data); virtual void read(offs_t offset, uint8_t &data); virtual void write(offs_t offset, uint8_t data); virtual void io_read(offs_t offset, uint8_t &data); virtual void io_write(offs_t offset, uint8_t data); virtual void mei_w(int state); virtual void meo_w(int state); devcb_write_line m_out_irq_cb; devcb_write_line m_out_nmi_cb; devcb_write_line m_out_halt_cb; protected: kcexp_slot_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); // device_t implementation virtual void device_validity_check(validity_checker &valid) const override ATTR_COLD; virtual void device_start() override ATTR_COLD; device_kcexp_interface* m_cart; optional_device m_next_slot; }; // ======================> kccart_slot_device class kccart_slot_device : public kcexp_slot_device, public device_cartrom_image_interface { public: // construction/destruction template kccart_slot_device(machine_config const &mconfig, char const *tag, device_t *owner, T &&opts, char const *dflt) : kccart_slot_device(mconfig, tag, owner, (uint32_t)0) { set_options(std::forward(opts), dflt, false); } kccart_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); virtual ~kccart_slot_device(); // device_image_interface implementation virtual std::pair call_load() override; virtual bool is_reset_on_load() const noexcept override { return true; } virtual const char *image_interface() const noexcept override { return "kc_cart"; } virtual const char *file_extensions() const noexcept override { return "bin"; } // device_slot_interface implementation virtual std::string get_default_card_software(get_default_card_software_hook &hook) const override; }; // device type definition DECLARE_DEVICE_TYPE(KCEXP_SLOT, kcexp_slot_device) DECLARE_DEVICE_TYPE(KCCART_SLOT, kccart_slot_device) #endif // MAME_BUS_KC_KC_H