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// license:BSD-3-Clause
// copyright-holders:David Haywood
#ifndef MAME_VIDEO_ELAN_EU3A05COMMONVID_H
#define MAME_VIDEO_ELAN_EU3A05COMMONVID_H
#include "emupal.h"
class elan_eu3a05commonvid_device : public device_t
{
public:
elan_eu3a05commonvid_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
elan_eu3a05commonvid_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
template <typename T> void set_palette(T &&tag) { m_palette.set_tag(std::forward<T>(tag)); }
void set_entries(int entries) { m_palram.resize(entries*2); }
DECLARE_READ8_MEMBER(palette_r);
DECLARE_WRITE8_MEMBER(palette_w);
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
private:
required_device<palette_device> m_palette;
std::vector<uint8_t> m_palram;
void update_pen(int pen);
double hue2rgb(double p, double q, double t);
};
DECLARE_DEVICE_TYPE(ELAN_EU3A05_COMMONVID, elan_eu3a05commonvid_device)
#endif // MAME_VIDEO_ELAN_EU3A05COMMONVID_H
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