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Diffstat (limited to 'src/mame/includes/chessbase.h')
-rw-r--r-- | src/mame/includes/chessbase.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/src/mame/includes/chessbase.h b/src/mame/includes/chessbase.h new file mode 100644 index 00000000000..ae0304c853e --- /dev/null +++ b/src/mame/includes/chessbase.h @@ -0,0 +1,69 @@ +// license:BSD-3-Clause +// copyright-holders:hap +/****************************************************************************** +* +* Generic chess computers base driver +* implementation is in machine/chessbase.cpp +* +******************************************************************************/ + +#ifndef MAME_INCLUDES_CHESSBASE_H +#define MAME_INCLUDES_CHESSBASE_H + +#pragma once + +#include "machine/timer.h" + +class chessbase_state : public driver_device +{ +public: + chessbase_state(const machine_config &mconfig, device_type type, const char *tag) : + driver_device(mconfig, type, tag), + 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 + optional_ioport_array<16> m_inp_matrix; // max 16 + 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/leds mask + u16 m_led_select; + u16 m_led_data; + u32 m_7seg_data; // data for seg leds + + 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) + + TIMER_DEVICE_CALLBACK_MEMBER(display_decay_tick); + 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); + +protected: + virtual void machine_start() override; + virtual void machine_reset() override; +}; + + +INPUT_PORTS_EXTERN( generic_cb_buttons ); +INPUT_PORTS_EXTERN( generic_cb_magnets ); + +#endif // MAME_INCLUDES_CHESSBASE_H |