// license:BSD-3-Clause // copyright-holders:Nigel Barnes /********************************************************************** Acorn 80286 2nd Processor **********************************************************************/ #ifndef MAME_BUS_BBC_TUBE_80286_H #define MAME_BUS_BBC_TUBE_80286_H #include "tube.h" #include "cpu/i86/i286.h" #include "machine/ram.h" #include "machine/tube.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> bbc_tube_80286_device class bbc_tube_80286_device : public device_t, public device_bbc_tube_interface { public: // construction/destruction bbc_tube_80286_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); protected: // device-level overrides virtual void device_start() override; virtual void device_reset() override; // optional information overrides virtual void device_add_mconfig(machine_config &config) override; virtual const tiny_rom_entry *device_rom_region() const override; virtual DECLARE_READ8_MEMBER( host_r ) override; virtual DECLARE_WRITE8_MEMBER( host_w ) override; private: uint8_t m_irq_latch; IRQ_CALLBACK_MEMBER( irq_callback ); required_device m_i80286; required_device m_ula; required_device m_ram; required_memory_region m_bootstrap; DECLARE_READ8_MEMBER( disable_boot_rom ); DECLARE_WRITE8_MEMBER( irq_latch_w ); void tube_80286_io(address_map &map); void tube_80286_mem(address_map &map); }; // device type definition DECLARE_DEVICE_TYPE(BBC_TUBE_80286, bbc_tube_80286_device) #endif /* MAME_BUS_BBC_TUBE_80286_H */