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// license:BSD-3-Clause
// copyright-holders:Tim Schuerewegen
/***************************************************************************
Hitachi HD66421 LCD Controller
(c) 2001-2007 Tim Schuerewegen
***************************************************************************/
#pragma once
#ifndef __HD66421_H__
#define __HD66421_H__
///*************************************************************************
// MACROS / CONSTANTS
///*************************************************************************
//#define HD66421_BRIGHTNESS_DOES_NOT_WORK
#define HD66421_WIDTH 160
#define HD66421_HEIGHT 100
/*----------- defined in video/hd66421.c -----------*/
///*************************************************************************
// INTERFACE CONFIGURATION MACROS
///*************************************************************************
#define MCFG_HD66421_ADD(_tag) \
MCFG_DEVICE_ADD(_tag, HD66421, 0)
///*************************************************************************
// TYPE DEFINITIONS
///*************************************************************************
// ======================> hd66421_device
class hd66421_device : public device_t,
public device_memory_interface
{
public:
// construction/destruction
hd66421_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
DECLARE_READ8_MEMBER( reg_idx_r );
DECLARE_WRITE8_MEMBER( reg_idx_w );
DECLARE_READ8_MEMBER( reg_dat_r );
DECLARE_WRITE8_MEMBER( reg_dat_w );
DECLARE_PALETTE_INIT(hd66421);
UINT32 update_screen(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
protected:
// device-level overrides
virtual void device_start();
virtual machine_config_constructor device_mconfig_additions() const;
// device_config_memory_interface overrides
virtual const address_space_config *memory_space_config(address_spacenum spacenum = AS_0) const;
// address space configurations
const address_space_config m_space_config;
inline UINT8 readbyte(offs_t address);
inline void writebyte(offs_t address, UINT8 data);
void plot_pixel(bitmap_ind16 &bitmap, int x, int y, UINT32 color);
private:
UINT8 m_cmd, m_reg[32];
int m_x, m_y;
required_device<palette_device> m_palette;
};
// device type definition
extern const device_type HD66421;
#endif
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