// license:BSD-3-Clause // copyright-holders:AJR #ifndef MAME_MACHINE_TEK410X_KEYBOARD_H #define MAME_MACHINE_TEK410X_KEYBOARD_H #pragma once #include "cpu/mcs48/mcs48.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> tek410x_keyboard_device class tek410x_keyboard_device : public device_t { public: // device type constructor tek410x_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock = 0); // callback configuration auto tdata_callback() { return m_tdata_callback.bind(); } auto rdata_callback() { return m_rdata_callback.bind(); } // line inputs DECLARE_WRITE_LINE_MEMBER(kdi_w); DECLARE_WRITE_LINE_MEMBER(kdo_w); DECLARE_WRITE_LINE_MEMBER(reset_w); protected: // device-level overrides virtual void device_resolve_objects() override; virtual void device_start() override; virtual ioport_constructor device_input_ports() const override; virtual void device_add_mconfig(machine_config &config) override; virtual const tiny_rom_entry *device_rom_region() const override; private: // MCU handlers u8 p1_r(); u8 p2_r(); void p2_w(u8 data); // address maps void ext_map(address_map &map); // object finders required_device m_mcu; required_ioport_array<12> m_key_matrix; required_ioport m_config; // output callbacks devcb_write_line m_tdata_callback; devcb_write_line m_rdata_callback; // internal state u8 m_select; u8 m_p2_out; bool m_kdi; bool m_kdo; }; // device type declaration DECLARE_DEVICE_TYPE(TEK410X_KEYBOARD, tek410x_keyboard_device) #endif // MAME_MACHINE_TEK410X_KEYBOARD_H