#pragma once #ifndef __Z88_RAM_H__ #define __Z88_RAM_H__ #include "emu.h" #include "machine/z88cart.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> z88_32k_ram_device class z88_32k_ram_device : public device_t, public device_z88cart_interface { public: // construction/destruction z88_32k_ram_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); z88_32k_ram_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); protected: // device-level overrides virtual void device_start(); // z88cart_interface overrides virtual DECLARE_READ8_MEMBER(read); virtual DECLARE_WRITE8_MEMBER(write); virtual UINT8* get_cart_base(); virtual UINT32 get_cart_size() { return 0x8000; } protected: // internal state UINT8 * m_ram; }; // ======================> z88_128k_ram_device class z88_128k_ram_device : public z88_32k_ram_device { public: // construction/destruction z88_128k_ram_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); protected: // z88cart_interface overrides virtual UINT32 get_cart_size() { return 0x20000; } }; // ======================> z88_512k_ram_device class z88_512k_ram_device : public z88_32k_ram_device { public: // construction/destruction z88_512k_ram_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); protected: // z88cart_interface overrides virtual UINT32 get_cart_size() { return 0x80000; } }; // ======================> z88_1024k_ram_device class z88_1024k_ram_device : public z88_32k_ram_device { public: // construction/destruction z88_1024k_ram_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); protected: // z88cart_interface overrides virtual UINT32 get_cart_size() { return 0x100000; } }; // device type definition extern const device_type Z88_32K_RAM; extern const device_type Z88_128K_RAM; extern const device_type Z88_512K_RAM; extern const device_type Z88_1024K_RAM; #endif /* __Z88_RAM_H__ */