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// license:BSD-3-Clause
// copyright-holders:Wilbert Pol
/**********************************************************************
Hudson/NEC HuC6261 interface and definitions
**********************************************************************/
#ifndef MAME_VIDEO_HUC6261_H
#define MAME_VIDEO_HUC6261_H
#pragma once
#include "video/huc6270.h"
#include "video/huc6272.h"
class huc6261_device : public device_t,
public device_video_interface
{
public:
// Screen timing stuff
static constexpr unsigned WPF = 1365; // width of a line in frame including blanking areas
static constexpr unsigned LPF = 263; // max number of lines in a single frame
// construction/destruction
huc6261_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
template <typename T> void set_vdc1_tag(T &&tag) { m_huc6270_a.set_tag(std::forward<T>(tag)); }
template <typename T> void set_vdc2_tag(T &&tag) { m_huc6270_b.set_tag(std::forward<T>(tag)); }
template <typename T> void set_king_tag(T &&tag) { m_huc6272.set_tag(std::forward<T>(tag)); }
void video_update(bitmap_rgb32 &bitmap, const rectangle &cliprect);
uint16_t read(offs_t offset);
void write(offs_t offset, uint16_t data);
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
virtual void device_timer(emu_timer &timer, device_timer_id id, int param) override;
private:
required_device<huc6270_device> m_huc6270_a;
required_device<huc6270_device> m_huc6270_b;
required_device<huc6272_device> m_huc6272;
int m_last_h;
int m_last_v;
int m_height;
uint16_t m_palette[512];
uint16_t m_address;
uint16_t m_palette_latch;
uint16_t m_register;
uint16_t m_control;
uint8_t m_priority[7];
uint8_t m_pixels_per_clock; /* Number of pixels to output per colour clock */
uint16_t m_pixel_data_a;
uint16_t m_pixel_data_b;
uint16_t m_palette_offset[4];
uint8_t m_pixel_clock;
emu_timer *m_timer;
std::unique_ptr<bitmap_rgb32> m_bmp;
int32_t m_uv_lookup[65536][3];
inline uint32_t yuv2rgb(uint32_t yuv);
inline void apply_pal_offs(uint16_t *pix_data);
};
DECLARE_DEVICE_TYPE(HUC6261, huc6261_device)
#endif // MAME_VIDEO_HUC6261_H
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