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// license:BSD-3-Clause
// copyright-holders:Wilbert Pol
/**********************************************************************
Hudson/NEC HuC6202 interface
**********************************************************************/
#ifndef MAME_VIDEO_HUC6202_H
#define MAME_VIDEO_HUC6202_H
#pragma once
class huc6202_device : public device_t
{
public:
// construction/destruction
huc6202_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
auto next_pixel_0_callback() { return m_next_pixel_cb[0].bind(); }
auto time_til_next_event_0_callback() { return m_time_til_next_event_cb[0].bind(); }
auto read_0_callback() { return m_read_cb[0].bind(); }
auto write_0_callback() { return m_write_cb[0].bind(); }
auto next_pixel_1_callback() { return m_next_pixel_cb[1].bind(); }
auto time_til_next_event_1_callback() { return m_time_til_next_event_cb[1].bind(); }
auto read_1_callback() { return m_read_cb[1].bind(); }
auto write_1_callback() { return m_write_cb[1].bind(); }
u8 read(offs_t offset);
void write(offs_t offset, u8 data);
u8 io_read(offs_t offset);
void io_write(offs_t offset, u8 data);
u16 next_pixel();
u16 time_until_next_event();
protected:
// device-level overrides
virtual void device_start() override ATTR_COLD;
virtual void device_reset() override ATTR_COLD;
private:
/* callbacks */
/* gfx input device */
devcb_read16::array<2> m_next_pixel_cb;
/* TODO: Choose proper types */
/* Callback function to get time until next event */
devcb_read16::array<2> m_time_til_next_event_cb;
devcb_read8::array<2> m_read_cb;
devcb_write8::array<2> m_write_cb;
struct {
u8 prio_type;
bool dev0_enabled;
bool dev1_enabled;
} m_prio[4];
u16 m_window[2];
bool m_io_device;
u32 m_map_index;
bool m_map_dirty;
u8 m_prio_map[512];
};
DECLARE_DEVICE_TYPE(HUC6202, huc6202_device)
#endif // MAME_VIDEO_HUC6202_H
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