blob: 2bf013a5dd5c501034eca04793bf721c6e507906 (
plain) (
tree)
|
|
// license:BSD-3-Clause
// copyright-holders:R. Belmont, Olivier Galibert
// HD44780/LCD image combo used in the yamaha mu, vl70m, fs1r and
// probably others
#ifndef MAME_MACHINE_MULCD_H
#define MAME_MACHINE_MULCD_H
#pragma once
#include "video/hd44780.h"
#include "screen.h"
class mulcd_device : public device_t
{
public:
mulcd_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
void set_contrast(float contrast) { m_contrast = contrast; }
void set_leds(u8 leds) { m_leds = leds; }
u8 data_read() { return m_lcd->data_r(); }
u8 control_read() { return m_lcd->control_r(); }
void data_write(u8 data) { m_lcd->data_w(data); }
void control_write(u8 data) { m_lcd->control_w(data); }
protected:
virtual void device_start() override;
virtual void device_reset() override;
virtual const tiny_rom_entry *device_rom_region() const override;
virtual void device_add_mconfig(machine_config &config) override;
private:
required_device<hd44780_device> m_lcd;
float m_contrast;
u8 m_leds;
float lightlevel(const u8 *src, const u8 *render);
u32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
};
DECLARE_DEVICE_TYPE(MULCD, mulcd_device)
#endif
|