// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Tandy 2000 keyboard emulation *********************************************************************/ #ifndef MAME_MACHINE_TANDY2KB_H #define MAME_MACHINE_TANDY2KB_H #pragma once #include "cpu/mcs48/mcs48.h" //************************************************************************** // MACROS / CONSTANTS //************************************************************************** #define TANDY2K_KEYBOARD_TAG "tandy2kb" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> tandy2k_keyboard_device class tandy2k_keyboard_device : public device_t { public: // construction/destruction tandy2k_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); auto clock_wr_callback() { return m_write_clock.bind(); } auto data_wr_callback() { return m_write_data.bind(); } DECLARE_WRITE_LINE_MEMBER( power_w ); DECLARE_WRITE_LINE_MEMBER( reset_w ); DECLARE_WRITE_LINE_MEMBER( busy_w ); DECLARE_READ_LINE_MEMBER( data_r ); protected: // device-level overrides virtual void device_start() override; virtual void device_reset() override; // optional information overrides virtual const tiny_rom_entry *device_rom_region() const override; virtual void device_add_mconfig(machine_config &config) override; virtual ioport_constructor device_input_ports() const override; private: enum { LED_1 = 0, LED_2 }; required_device m_maincpu; required_ioport_array<12> m_y; output_finder<2> m_leds; devcb_write_line m_write_clock; devcb_write_line m_write_data; uint16_t m_keylatch; int m_clock; int m_data; DECLARE_READ8_MEMBER( kb_p1_r ); DECLARE_WRITE8_MEMBER( kb_p1_w ); DECLARE_WRITE8_MEMBER( kb_p2_w ); }; // device type definition DECLARE_DEVICE_TYPE(TANDY2K_KEYBOARD, tandy2k_keyboard_device) #endif // MAME_MACHINE_TANDY2KB_H