// license:BSD-3-Clause // copyright-holders:Fabio Priuli #ifndef __SCV_ROM_H #define __SCV_ROM_H #include "slot.h" // ======================> scv_rom8_device class scv_rom8_device : public device_t, public device_scv_cart_interface { public: // construction/destruction scv_rom8_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); scv_rom8_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); // device-level overrides virtual void device_start() override {} virtual void device_reset() override {} // reading and writing virtual DECLARE_READ8_MEMBER(read_cart) override; }; // ======================> scv_rom16_device class scv_rom16_device : public scv_rom8_device { public: // construction/destruction scv_rom16_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); // reading and writing virtual DECLARE_READ8_MEMBER(read_cart) override; }; // ======================> scv_rom32_device class scv_rom32_device : public scv_rom8_device { public: // construction/destruction scv_rom32_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); // reading and writing virtual DECLARE_READ8_MEMBER(read_cart) override; }; // ======================> scv_rom32ram8_device class scv_rom32ram8_device : public scv_rom8_device { public: // construction/destruction scv_rom32ram8_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); // device-level overrides virtual void device_start() override; virtual void device_reset() override; // reading and writing virtual DECLARE_READ8_MEMBER(read_cart) override; virtual DECLARE_WRITE8_MEMBER(write_cart) override; virtual DECLARE_WRITE8_MEMBER(write_bank) override; private: UINT8 m_ram_enabled; }; // ======================> scv_rom64_device class scv_rom64_device : public scv_rom8_device { public: // construction/destruction scv_rom64_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); // device-level overrides virtual void device_start() override; virtual void device_reset() override; // reading and writing virtual DECLARE_READ8_MEMBER(read_cart) override; virtual DECLARE_WRITE8_MEMBER(write_bank) override; private: UINT8 m_bank_base; }; // ======================> scv_rom128_device class scv_rom128_device : public scv_rom8_device { public: // construction/destruction scv_rom128_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); // device-level overrides virtual void device_start() override; virtual void device_reset() override; // reading and writing virtual DECLARE_READ8_MEMBER(read_cart) override; virtual DECLARE_WRITE8_MEMBER(write_bank) override; private: UINT8 m_bank_base; }; // ======================> scv_rom128ram4_device class scv_rom128ram4_device : public scv_rom8_device { public: // construction/destruction scv_rom128ram4_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); // device-level overrides virtual void device_start() override; virtual void device_reset() override; // reading and writing virtual DECLARE_READ8_MEMBER(read_cart) override; virtual DECLARE_WRITE8_MEMBER(write_cart) override; virtual DECLARE_WRITE8_MEMBER(write_bank) override; private: UINT8 m_bank_base, m_ram_enabled; }; // device type definition extern const device_type SCV_ROM8K; extern const device_type SCV_ROM16K; extern const device_type SCV_ROM32K; extern const device_type SCV_ROM32K_RAM8K; extern const device_type SCV_ROM64K; extern const device_type SCV_ROM128K; extern const device_type SCV_ROM128K_RAM4K; #endif