// license:BSD-3-Clause // copyright-holders:Sandro Ronco #ifndef MAME_BUS_KC_ROM_H #define MAME_BUS_KC_ROM_H #pragma once #include "kc.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> kc_8k_device class kc_8k_device : public device_t, public device_kcexp_interface { public: // construction/destruction kc_8k_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); protected: kc_8k_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); // device-level overrides virtual void device_start() override; virtual void device_reset() override; virtual const tiny_rom_entry *device_rom_region() const override; // kcexp_interface overrides virtual uint8_t module_id_r() override { return 0xfb; } virtual void control_w(uint8_t data) override; virtual void read(offs_t offset, uint8_t &data) override; virtual uint8_t* get_cart_base() override; virtual DECLARE_WRITE_LINE_MEMBER( mei_w ) override; protected: kcexp_slot_device *m_slot; // internal state int m_mei; // module enable line uint8_t * m_rom; uint8_t m_enabled; uint16_t m_base; }; // ======================> kc_m006_device class kc_m006_device : public kc_8k_device { public: // construction/destruction kc_m006_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); protected: // kcexp_interface overrides virtual uint8_t module_id_r() override { return 0xfc; } virtual void control_w(uint8_t data) override; virtual void read(offs_t offset, uint8_t &data) override; }; // ======================> kc_m033_device class kc_m033_device : public kc_8k_device { public: // construction/destruction kc_m033_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); protected: // device-level overrides virtual void device_reset() override; // kcexp_interface overrides virtual uint8_t module_id_r() override { return 0x01; } virtual void control_w(uint8_t data) override; virtual void read(offs_t offset, uint8_t &data) override; private: // internal state uint16_t m_bank; }; // device type definition DECLARE_DEVICE_TYPE(KC_STANDARD, kc_8k_device) DECLARE_DEVICE_TYPE(KC_M006, kc_m006_device) DECLARE_DEVICE_TYPE(KC_M033, kc_m033_device) #endif // MAME_BUS_KC_ROM_H