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// license:BSD-3-Clause
// copyright-holders:Ryan Holtz
/*****************************************************************************
SunPlus SPG2xx-series SoC peripheral emulation (Video)
**********************************************************************/
#ifndef MAME_MACHINE_SPG2XX_VIDEO_H
#define MAME_MACHINE_SPG2XX_VIDEO_H
#pragma once
#include "spg_renderer.h"
#include "cpu/unsp/unsp.h"
#include "screen.h"
class spg2xx_video_device : public device_t
{
public:
spg2xx_video_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
auto guny_in() { return m_guny_in.bind(); }
auto gunx_in() { return m_gunx_in.bind(); }
uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
DECLARE_WRITE_LINE_MEMBER(vblank);
DECLARE_READ16_MEMBER(video_r);
DECLARE_WRITE16_MEMBER(video_w);
auto sprlimit_read_callback() { return m_sprlimit_read_cb.bind(); };
auto write_video_irq_callback() { return m_video_irq_cb.bind(); };
protected:
virtual void device_add_mconfig(machine_config &config) override;
devcb_read16 m_guny_in;
devcb_read16 m_gunx_in;
inline void check_video_irq();
static const device_timer_id TIMER_SCREENPOS = 2;
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;
void do_sprite_dma(uint32_t len);
uint16_t m_video_regs[0x100];
devcb_read16 m_sprlimit_read_cb;
emu_timer *m_screenpos_timer;
required_device<unsp_device> m_cpu;
required_device<screen_device> m_screen;
required_shared_ptr<uint16_t> m_scrollram;
required_shared_ptr<uint16_t> m_hcompram;
required_shared_ptr<uint16_t> m_paletteram;
required_shared_ptr<uint16_t> m_spriteram;
devcb_write_line m_video_irq_cb;
required_device<spg_renderer_device> m_renderer;
};
class spg24x_video_device : public spg2xx_video_device
{
public:
template <typename T, typename U>
spg24x_video_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock, T &&cpu_tag, U &&screen_tag)
: spg24x_video_device(mconfig, tag, owner, clock)
{
m_cpu.set_tag(std::forward<T>(cpu_tag));
m_screen.set_tag(std::forward<U>(screen_tag));
}
spg24x_video_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
};
DECLARE_DEVICE_TYPE(SPG24X_VIDEO, spg24x_video_device)
#endif // MAME_MACHINE_SPG2XX_VIDEO_H
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