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+// license:BSD-3-Clause
+// copyright-holders:hap, Kevin Horton
+/*
+
+ NEC uCOM4 MCU tabletops/handhelds or other simple devices,
+
+*/
+
+#ifndef _HH_UCOM4_H_
+#define _HH_UCOM4_H_
+
+
+#include "emu.h"
+#include "cpu/ucom4/ucom4.h"
+#include "sound/speaker.h"
+
+
+class hh_ucom4_state : public driver_device
+{
+public:
+ hh_ucom4_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag),
+ m_maincpu(*this, "maincpu"),
+ m_inp_matrix(*this, "IN"),
+ m_speaker(*this, "speaker"),
+ m_display_wait(33),
+ m_display_maxy(1),
+ m_display_maxx(0)
+ { }
+
+ // devices
+ required_device<cpu_device> m_maincpu;
+ optional_ioport_array<5> m_inp_matrix; // max 5
+ optional_device<speaker_sound_device> m_speaker;
+
+ // misc common
+ UINT8 m_port[9]; // MCU port A-I write data (optional)
+ UINT16 m_inp_mux; // multiplexed inputs mask
+
+ UINT8 read_inputs(int columns);
+
+ // display common
+ int m_display_wait; // led/lamp off-delay in microseconds (default 33ms)
+ int m_display_maxy; // display matrix number of rows
+ int m_display_maxx; // display matrix number of columns (max 31 for now)
+
+ UINT32 m_grid; // VFD current row data
+ UINT32 m_plate; // VFD current column data
+
+ UINT32 m_display_state[0x20]; // display matrix rows data (last bit is used for always-on)
+ UINT16 m_display_segmask[0x20]; // if not 0, display matrix row is a digit, mask indicates connected segments
+ UINT32 m_display_cache[0x20]; // (internal use)
+ UINT8 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, UINT32 setx, UINT32 sety);
+
+protected:
+ virtual void machine_start();
+ virtual void machine_reset();
+};
+
+
+#endif /* _HH_UCOM4_H_ */