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// license:BSD-3-Clause
// copyright-holders:Ryan Holtz
/******************************************************************************
Generic LCD emulation for use with MC68328/MC68EZ328 devices
******************************************************************************/
#ifndef MAME_VIDEO_MC68328LCD_H
#define MAME_VIDEO_MC68328LCD_H
#pragma once
class mc68328_lcd_device : public device_t,
public device_palette_interface,
public device_video_interface
{
public:
mc68328_lcd_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
DECLARE_WRITE_LINE_MEMBER(flm_w);
DECLARE_WRITE_LINE_MEMBER(llp_w);
DECLARE_WRITE_LINE_MEMBER(lsclk_w);
void ld_w(u8 data);
void lcd_info_changed(double refresh_hz, int width, int height, u8 bus_width, u8 bpp);
void video_update(bitmap_rgb32 &bitmap, const rectangle &cliprect);
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
// device_palette_interface overrides
virtual uint32_t palette_entries() const noexcept override { return 16; }
void palette_init();
bitmap_rgb32 m_lcd_bitmap;
bool m_lcd_first_line;
bool m_lcd_line_pulse;
bool m_lcd_shift_clk;
u8 m_lcd_data;
u16 m_lcd_scan_x;
u16 m_lcd_scan_y;
u8 m_bus_width;
u8 m_bpp;
};
// device type definition
DECLARE_DEVICE_TYPE(MC68328_LCD, mc68328_lcd_device)
#endif // MAME_VIDEO_MC68328LCD_H
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