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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, bool update = true);
protected:
virtual void machine_start() override;
virtual void machine_reset() override;
};
#endif /* _HH_UCOM4_H_ */
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