// license:BSD-3-Clause // copyright-holders:AJR #ifndef MAME_MACHINE_TV955KB_H #define MAME_MACHINE_TV955KB_H #pragma once #include "cpu/mcs48/mcs48.h" #include "sound/spkrdev.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> tv955kb_device class tv955kb_device : public device_t { public: tv955kb_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock = 0); // configuration auto txd_cb() { return m_txd_cb.bind(); } auto reset_cb() { return m_reset_cb.bind(); } DECLARE_WRITE_LINE_MEMBER(write_rxd); protected: // device-specific overrides virtual void device_resolve_objects() override; virtual void device_start() override; virtual void device_reset() override; virtual void device_add_mconfig(machine_config &config) override; virtual ioport_constructor device_input_ports() const override; virtual const tiny_rom_entry *device_rom_region() const override; private: u8 keys_r(); DECLARE_WRITE_LINE_MEMBER(bell_w); DECLARE_WRITE_LINE_MEMBER(txd_w); DECLARE_WRITE_LINE_MEMBER(reset_w); TIMER_CALLBACK_MEMBER(bell_q8); void bell_reset(); // line output callbacks devcb_write_line m_txd_cb; devcb_write_line m_reset_cb; required_device m_mcu; required_device m_bell; required_ioport_array<16> m_keys; emu_timer *m_bell_timer; bool m_bell_on; }; // device type definition DECLARE_DEVICE_TYPE(TV955_KEYBOARD, tv955kb_device) #endif // MAME_MACHINE_TV955KB_H