#ifndef __MSX_CART_CARTRIDGE_H #define __MSX_CART_CARTRIDGE_H SLOT_INTERFACE_EXTERN(msx_cart); SLOT_INTERFACE_EXTERN(msx_yamaha_60pin); // 60 pin expansion slots as found in yamaha machines class msx_cart_interface : public device_slot_card_interface { public: msx_cart_interface(const machine_config &mconfig, device_t &device); template void set_out_irq_cb(_Object object) { m_out_irq_cb.set_callback(object); m_out_irq_cb.resolve_safe(); } // This is called after loading cartridge contents and allows the cartridge // implementation to perform some additional initialization based on the // cartridge contents. virtual void initialize_cartridge() {} // reading and writing virtual DECLARE_READ8_MEMBER(read_cart) { return 0xff; } virtual DECLARE_WRITE8_MEMBER(write_cart) {} // ROM/RAM/SRAM management // Mainly used by the cartridge slot when loading images void rom_alloc(UINT32 size); void ram_alloc(UINT32 size); void sram_alloc(UINT32 size); UINT8* get_rom_base() { return m_rom; } UINT8* get_ram_base() { return m_ram; } UINT8* get_sram_base() { return m_sram; } UINT32 get_rom_size() { return m_rom.count(); } UINT32 get_ram_size() { return m_ram.count(); } UINT32 get_sram_size() { return m_sram.count(); } protected: dynamic_buffer m_rom; dynamic_buffer m_ram; dynamic_buffer m_sram; devcb_write_line m_out_irq_cb; }; #endif