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// license:BSD-3-Clause
// copyright-holders:Sandro Ronco
/***************************************************************************
Philips PCD8544 LCD controller
***************************************************************************/
#ifndef MAME_VIDEO_PCD8544_H
#define MAME_VIDEO_PCD8544_H
#pragma once
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
#define PCD8544_SCREEN_UPDATE(name) void name(device_t &device, bitmap_ind16 &bitmap, const rectangle &cliprect , uint8_t *vram, int inv)
// ======================> pcd8544_device
class pcd8544_device : public device_t
{
public:
typedef device_delegate<void (device_t &device, bitmap_ind16 &bitmap, const rectangle &cliprect , uint8_t *vram, int inv)> screen_update_delegate;
// construction/destruction
pcd8544_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
template <typename... T> void set_screen_update_cb(T &&... args) { m_screen_update_cb.set(std::forward<T>(args)...); }
// device interface
void sdin_w(int state);
void sclk_w(int state);
void dc_w(int state);
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
protected:
// device-level overrides
virtual void device_start() override ATTR_COLD;
virtual void device_reset() override ATTR_COLD;
void exec_command(uint8_t cmd);
void write_data(uint8_t data);
private:
screen_update_delegate m_screen_update_cb; // screen update callback
int m_sdin;
int m_sclk;
int m_dc;
int m_bits;
uint8_t m_mode;
uint8_t m_control;
uint8_t m_op_vol;
uint8_t m_bias;
uint8_t m_temp_coef;
uint8_t m_indata;
uint8_t m_addr_y;
uint8_t m_addr_x;
uint8_t m_vram[6*84]; // 4032 bit video ram
};
// device type definition
DECLARE_DEVICE_TYPE(PCD8544, pcd8544_device)
#endif // MAME_VIDEO_PCD8544_H
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