// license:BSD-3-Clause // copyright-holders:Fabio Priuli #ifndef __SAT_BRAM_H #define __SAT_BRAM_H #include "sat_slot.h" // ======================> saturn_bram_device class saturn_bram_device : public device_t, public device_sat_cart_interface, public device_nvram_interface { public: // construction/destruction saturn_bram_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source); // device-level overrides virtual void device_start(); virtual void device_reset(); // device_nvram_interface overrides virtual void nvram_default(); virtual void nvram_read(emu_file &file) { if (!m_ext_bram.empty()) file.read(&m_ext_bram[0], m_ext_bram.size()); } virtual void nvram_write(emu_file &file) { if (!m_ext_bram.empty()) file.write(&m_ext_bram[0], m_ext_bram.size()); } // reading and writing virtual DECLARE_READ32_MEMBER(read_ext_bram); virtual DECLARE_WRITE32_MEMBER(write_ext_bram); }; class saturn_bram4mb_device : public saturn_bram_device { public: // construction/destruction saturn_bram4mb_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); }; class saturn_bram8mb_device : public saturn_bram_device { public: // construction/destruction saturn_bram8mb_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); }; class saturn_bram16mb_device : public saturn_bram_device { public: // construction/destruction saturn_bram16mb_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); }; class saturn_bram32mb_device : public saturn_bram_device { public: // construction/destruction saturn_bram32mb_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); }; // device type definition extern const device_type SATURN_BRAM_4MB; extern const device_type SATURN_BRAM_8MB; extern const device_type SATURN_BRAM_16MB; extern const device_type SATURN_BRAM_32MB; #endif