// license:BSD-3-Clause // copyright-holders:Fabio Priuli #ifndef MAME_BUS_MEGADRIVE_JCART_H #define MAME_BUS_MEGADRIVE_JCART_H #include "md_slot.h" #include "bus/sms_ctrl/smsctrl.h" #include "machine/i2cmem.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** class md_jcart_device : public device_t, public device_md_cart_interface { public: // construction/destruction md_jcart_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); // reading and writing virtual uint16_t read(offs_t offset) override; virtual void write(offs_t offset, uint16_t data, uint16_t mem_mask = ~0) override; protected: md_jcart_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); virtual void device_add_mconfig(machine_config &config) override; virtual void device_resolve_objects() override; virtual void device_start() override; virtual void device_reset() override; private: template void th_in(int state); required_device_array m_ctrl_ports; uint8_t m_th_in[2]; uint8_t m_th_out; }; class md_seprom_codemast_device : public md_jcart_device { public: // construction/destruction md_seprom_codemast_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); protected: md_seprom_codemast_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); virtual void device_start() override; virtual void device_reset() override; // device-level overrides virtual void device_add_mconfig(machine_config &config) override; // reading and writing virtual uint16_t read(offs_t offset) override; virtual void write(offs_t offset, uint16_t data, uint16_t mem_mask = ~0) override; required_device m_i2cmem; private: uint8_t m_jcart_io_data[2]; uint8_t m_i2c_mem, m_i2c_clk; }; class md_seprom_mm96_device : public md_seprom_codemast_device { public: // construction/destruction md_seprom_mm96_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); protected: // device-level overrides virtual void device_add_mconfig(machine_config &config) override; }; // device type definition DECLARE_DEVICE_TYPE(MD_JCART, md_jcart_device) DECLARE_DEVICE_TYPE(MD_SEPROM_CODEMAST, md_seprom_codemast_device) DECLARE_DEVICE_TYPE(MD_SEPROM_MM96, md_seprom_mm96_device) #endif // MAME_BUS_MEGADRIVE_JCART_H