// license:BSD-3-Clause // copyright-holders:Fabio Priuli #ifndef MAME_BUS_VC4000_ROM_H #define MAME_BUS_VC4000_ROM_H #include "slot.h" // ======================> vc4000_rom_device class vc4000_rom_device : public device_t, public device_vc4000_cart_interface { public: // construction/destruction vc4000_rom_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); // reading and writing virtual uint8_t read_rom(offs_t offset) override; protected: vc4000_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 { } }; // ======================> vc4000_rom4k_device class vc4000_rom4k_device : public vc4000_rom_device { public: // construction/destruction vc4000_rom4k_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); }; // ======================> vc4000_ram1k_device class vc4000_ram1k_device : public vc4000_rom_device { public: // construction/destruction vc4000_ram1k_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); // reading and writing virtual uint8_t read_ram(offs_t offset) override; virtual void write_ram(offs_t offset, uint8_t data) override; }; // ======================> vc4000_chess2_device class vc4000_chess2_device : public vc4000_rom_device { public: // construction/destruction vc4000_chess2_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); // reading and writing virtual uint8_t extra_rom(offs_t offset) override; virtual uint8_t read_ram(offs_t offset) override; virtual void write_ram(offs_t offset, uint8_t data) override; }; // device type definition DECLARE_DEVICE_TYPE(VC4000_ROM_STD, vc4000_rom_device) DECLARE_DEVICE_TYPE(VC4000_ROM_ROM4K, vc4000_rom4k_device) DECLARE_DEVICE_TYPE(VC4000_ROM_RAM1K, vc4000_ram1k_device) DECLARE_DEVICE_TYPE(VC4000_ROM_CHESS2, vc4000_chess2_device) #endif // MAME_BUS_VC4000_ROM_H