// license:BSD-3-Clause // copyright-holders:hap /****************************************************************************** * * Chess King chess computer driver base class * ******************************************************************************/ #pragma once #ifndef MAME_INCLUDES_CKINGBASE_H #define MAME_INCLUDES_CKINGBASE_H #include "machine/timer.h" class ckingbase_state : public driver_device { public: ckingbase_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, "maincpu"), m_irq_on(*this, "irq_on"), 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) { } // devices/pointers required_device m_maincpu; optional_device m_irq_on; optional_ioport_array<10> m_inp_matrix; // max 10 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; u16 read_inputs(int columns); // periodic interrupts template TIMER_DEVICE_CALLBACK_MEMBER(irq_on) { m_maincpu->set_input_line(Line, ASSERT_LINE); } template TIMER_DEVICE_CALLBACK_MEMBER(irq_off) { m_maincpu->set_input_line(Line, CLEAR_LINE); } // 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) TIMER_DEVICE_CALLBACK_MEMBER(display_decay_tick); void display_update(); void set_display_size(int maxx, int maxy); void display_matrix(int maxx, int maxy, u32 setx, u32 sety, bool update = true); protected: virtual void machine_start() override; virtual void machine_reset() override; }; INPUT_PORTS_EXTERN( cking_cb_buttons ); #endif // MAME_INCLUDES_CKINGBASE_H