// license:BSD-3-Clause // copyright-holders:Nigel Barnes #ifndef MAME_BUS_COCO_DRAGON_SERIAL_H #define MAME_BUS_COCO_DRAGON_SERIAL_H #pragma once #include "cococart.h" #include "machine/6850acia.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> dragon_serial_device class dragon_serial_device : public device_t, public device_cococart_interface { public: // construction/destruction dragon_serial_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock); static constexpr feature_type imperfect_features() { return feature::COMMS; } protected: // device-level overrides virtual void device_start() override; virtual u8 *get_cart_base() override; virtual memory_region *get_cart_memregion() override; // optional information overrides virtual void device_add_mconfig(machine_config &config) override; virtual const tiny_rom_entry *device_rom_region() const override; virtual u8 cts_read(offs_t offset) override; virtual u8 scs_read(offs_t offset) override; virtual void scs_write(offs_t offset, u8 data) override; private: DECLARE_WRITE_LINE_MEMBER(write_acia_clock); required_memory_region m_eprom; required_device m_acia; }; // device type definition DECLARE_DEVICE_TYPE(DRAGON_SERIAL, dragon_serial_device) #endif // MAME_BUS_COCO_DRAGON_SERIAL_H