1 // license:BSD-3-Clause 2 // copyright-holders:Nigel Barnes 3 /*************************************************************************** 4 5 MR8000 Master RAM Cartridge emulation 6 7 ***************************************************************************/ 8 9 #ifndef MAME_BUS_BBC_CART_MR8000_H 10 #define MAME_BUS_BBC_CART_MR8000_H 11 12 #pragma once 13 14 #include "slot.h" 15 16 17 //************************************************************************** 18 // TYPE DEFINITIONS 19 //************************************************************************** 20 21 // ======================> bbc_mr8000_device 22 23 class bbc_mr8000_device : public device_t, public device_bbc_cart_interface 24 { 25 public: 26 // construction/destruction 27 bbc_mr8000_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); 28 29 protected: 30 // device-level overrides 31 virtual ioport_constructor device_input_ports() const override; 32 33 virtual void device_start() override; 34 35 // bbc_cart_interface overrides 36 virtual uint8_t read(offs_t offset, int infc, int infd, int romqa, int oe, int oe2) override; 37 virtual void write(offs_t offset, uint8_t data, int infc, int infd, int romqa, int oe, int oe2) override; 38 39 private: 40 required_ioport m_switch; 41 }; 42 43 // device type definition 44 DECLARE_DEVICE_TYPE(BBC_MR8000, bbc_mr8000_device) 45 46 #endif // MAME_BUS_BBC_CART_MR8000_H 47