// license:BSD-3-Clause // copyright-holders:Fabio Priuli #ifndef MAME_BUS_PCE_PCE_ROM_H #define MAME_BUS_PCE_PCE_ROM_H #pragma once #include "pce_slot.h" #include "machine/nvram.h" // ======================> pce_rom_device class pce_rom_device : public device_t, public device_pce_cart_interface { public: // construction/destruction pce_rom_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); // reading and writing virtual uint8_t read_cart(offs_t offset) override; protected: pce_rom_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 { } }; // ======================> pce_cdsys3_device class pce_cdsys3_device : public pce_rom_device { public: // construction/destruction pce_cdsys3_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); // reading and writing virtual uint8_t read_cart(offs_t offset) override; virtual void write_cart(offs_t offset, uint8_t data) override; }; // ======================> pce_populous_device class pce_populous_device : public pce_rom_device { public: // construction/destruction pce_populous_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); // reading and writing virtual uint8_t read_cart(offs_t offset) override; virtual void write_cart(offs_t offset, uint8_t data) override; }; // ======================> pce_sf2_device class pce_sf2_device : public pce_rom_device { public: // construction/destruction pce_sf2_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); // reading and writing virtual uint8_t read_cart(offs_t offset) override; virtual void write_cart(offs_t offset, uint8_t data) override; protected: // device-level overrides virtual void device_start() override; virtual void device_reset() override; private: uint8_t m_bank_base; }; // ======================> pce_tennokoe_device class pce_tennokoe_device : public pce_rom_device, public device_nvram_interface { public: // construction/destruction pce_tennokoe_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); // reading and writing virtual uint8_t read_cart(offs_t offset) override; virtual void write_cart(offs_t offset, uint8_t data) override; protected: // device-level overrides virtual void device_start() override; virtual void device_reset() override; virtual void nvram_default() override; virtual bool nvram_read(util::read_stream &file) override; virtual bool nvram_write(util::write_stream &file) override; private: const uint32_t m_bram_size = 0x800*4; uint8_t m_bram[0x800*4]; uint8_t m_bram_locked; }; // device type definition DECLARE_DEVICE_TYPE(PCE_ROM_STD, pce_rom_device) DECLARE_DEVICE_TYPE(PCE_ROM_CDSYS3, pce_cdsys3_device) DECLARE_DEVICE_TYPE(PCE_ROM_POPULOUS, pce_populous_device) DECLARE_DEVICE_TYPE(PCE_ROM_SF2, pce_sf2_device) DECLARE_DEVICE_TYPE(PCE_ROM_TENNOKOE, pce_tennokoe_device) #endif // MAME_BUS_PCE_PCE_ROM_H