// license:BSD-3-Clause // copyright-holders:hap /****************************************************************************** * * Novag chess machines base class * main driver is novag6502.cpp * ******************************************************************************/ #pragma once #ifndef MAME_INCLUDES_NOVAGBASE_H #define MAME_INCLUDES_NOVAGBASE_H #include "machine/timer.h" #include "sound/dac.h" #include "sound/beep.h" #include "video/hd44780.h" #include "emupal.h" class novagbase_state : public driver_device { public: novagbase_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, "maincpu"), m_dac(*this, "dac"), m_beeper(*this, "beeper"), m_lcd(*this, "hd44780"), m_inp_matrix(*this, "IN.%u", 0), m_out_x(*this, "%u.%u", 0U, 0U), m_out_a(*this, "%u.a", 0U), m_out_digit(*this, "digit%u", 0U), m_display_wait(33), m_display_maxy(1), m_display_maxx(0) { } TIMER_DEVICE_CALLBACK_MEMBER(display_decay_tick); DECLARE_PALETTE_INIT(novag_lcd); HD44780_PIXEL_UPDATE(novag_lcd_pixel_update); protected: // devices/pointers required_device m_maincpu; optional_device m_dac; optional_device m_beeper; optional_device m_lcd; optional_ioport_array<9> m_inp_matrix; // max 9 output_finder<0x20, 0x20> m_out_x; output_finder<0x20> m_out_a; output_finder<0x20> m_out_digit; // misc common u16 m_inp_mux; // multiplexed keypad mask u16 m_led_select; u16 m_led_data; u8 m_lcd_control; u8 m_lcd_data; u16 read_inputs(int columns); // display common int m_display_wait; // led/lamp off-delay in milliseconds (default 33ms) int m_display_maxy; // display matrix number of rows int m_display_maxx; // display matrix number of columns (max 31 for now) u32 m_display_state[0x20]; // display matrix rows data (last bit is used for always-on) u16 m_display_segmask[0x20]; // if not 0, display matrix row is a digit, mask indicates connected segments u8 m_display_decay[0x20][0x20]; // (internal use) void display_update(); void set_display_size(int maxx, int maxy); void set_display_segmask(u32 digits, u32 mask); void display_matrix(int maxx, int maxy, u32 setx, u32 sety, bool update = true); virtual void machine_start() override; virtual void machine_reset() override; }; INPUT_PORTS_EXTERN( novag_cb_buttons ); INPUT_PORTS_EXTERN( novag_cb_magnets ); #endif // MAME_INCLUDES_NOVAGBASE_H