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// license:BSD-3-Clause
// copyright-holders:Wilbert Pol
/**********************************************************************
Hudson/NEC HuC6261 interface and definitions
**********************************************************************/
#ifndef __HUC6261_H_
#define __HUC6261_H_
#include "emu.h"
#include "video/huc6270.h"
/* Screen timing stuff */
#define HUC6261_WPF 1365 /* width of a line in frame including blanking areas */
#define HUC6261_LPF 263 /* max number of lines in a single frame */
#define MCFG_HUC6261_VDC1(_tag) \
huc6261_device::set_vdc1_tag(*device, _tag);
#define MCFG_HUC6261_VDC2(_tag) \
huc6261_device::set_vdc2_tag(*device, _tag);
class huc6261_device : public device_t,
public device_video_interface
{
public:
// construction/destruction
huc6261_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
static void set_vdc1_tag(device_t &device, const char *tag) { downcast<huc6261_device &>(device).m_huc6270_a_tag = tag; }
static void set_vdc2_tag(device_t &device, const char *tag) { downcast<huc6261_device &>(device).m_huc6270_b_tag = tag; }
void video_update(bitmap_rgb32 &bitmap, const rectangle &cliprect);
DECLARE_READ16_MEMBER( read );
DECLARE_WRITE16_MEMBER( write );
inline UINT32 yuv2rgb(UINT32 yuv);
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, void *ptr) override;
private:
const char *m_huc6270_a_tag;
const char *m_huc6270_b_tag;
huc6270_device *m_huc6270_a;
huc6270_device *m_huc6270_b;
int m_last_h;
int m_last_v;
int m_height;
UINT16 m_palette[512];
UINT16 m_address;
UINT16 m_palette_latch;
UINT16 m_register;
UINT16 m_control;
UINT8 m_priority[7];
UINT8 m_pixels_per_clock; /* Number of pixels to output per colour clock */
UINT16 m_pixel_data;
UINT8 m_pixel_clock;
emu_timer *m_timer;
bitmap_rgb32 *m_bmp;
INT32 m_uv_lookup[65536][3];
};
extern const device_type HUC6261;
#endif
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