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// license:BSD-3-Clause
// copyright-holders:Angelo Salese, Alex Marshall
/******************************************************************************
Jaleco MS32 System Control Unit
******************************************************************************/
#ifndef MAME_MACHINE_JALECO_MS32_SYSCTRL_H
#define MAME_MACHINE_JALECO_MS32_SYSCTRL_H
#pragma once
#include "screen.h"
#include "machine/timer.h"
//*****************************************************************************
// TYPE DEFINITIONS
//*****************************************************************************
// ======================> jaleco_ms32_sysctrl_device
class jaleco_ms32_sysctrl_device : public device_t
{
public:
// construction/destruction
template <typename T>
jaleco_ms32_sysctrl_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock, T &&screen_tag)
: jaleco_ms32_sysctrl_device(mconfig, tag, owner, clock)
{
m_screen.set_tag(std::forward<T>(screen_tag));
}
jaleco_ms32_sysctrl_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
// I/O operations
void amap(address_map &map);
auto flip_screen_cb() { return m_flip_screen_cb.bind(); }
auto vblank_cb() { return m_vblank_cb.bind(); }
auto field_cb() { return m_field_cb.bind(); }
auto prg_timer_cb() { return m_prg_timer_cb.bind(); }
auto sound_ack_cb() { return m_sound_ack_cb.bind(); }
auto sound_reset_cb() { return m_sound_reset_cb.bind(); }
void set_invert_vblank_lines(bool enable) { m_invert_vblank_lines = enable; }
// template <typename T> void set_screen(T &&screen_tag) { m_screen.set_tag(std::forward<T>(screen_tag)); printf("xxx"); }
protected:
// device-level overrides
//virtual void device_validity_check(validity_checker &valid) const override;
virtual void device_resolve_objects() override;
virtual void device_add_mconfig(machine_config &config) override;
virtual void device_start() override;
virtual void device_reset() override;
TIMER_CALLBACK_MEMBER(prg_timer_tick);
private:
required_device<screen_device> m_screen;
void control_w(u16 data);
void hblank_w(u16 data);
void hdisplay_w(u16 data);
void hbp_w(u16 data);
void hfp_w(u16 data);
void vblank_w(u16 data);
void vdisplay_w(u16 data);
void vbp_w(u16 data);
void vfp_w(u16 data);
void timer_interval_w(u16 data);
void sound_reset_w(u16 data);
void vblank_ack_w(u16 data);
void field_ack_w(u16 data);
void timer_ack_w(u16 data);
void sound_ack_w(u16 data);
void irq_ack_w(u16 data);
devcb_write_line m_flip_screen_cb;
devcb_write_line m_vblank_cb;
devcb_write_line m_field_cb;
devcb_write_line m_prg_timer_cb;
devcb_write_line m_sound_ack_cb;
devcb_write_line m_sound_reset_cb;
u8 m_dotclock_setting;
inline u32 get_dotclock_frequency();
bool m_flip_screen_state;
struct {
u16 horz_blank, horz_display, vert_blank, vert_display;
}m_crtc;
inline u16 crtc_vtotal();
inline void crtc_refresh_screen_params();
struct {
bool irq_enable;
u16 interval;
emu_timer *prg_irq;
}m_timer;
emu_timer *m_timer_scanline;
void flush_prg_timer();
TIMER_CALLBACK_MEMBER(flush_scanline_timer);
bool m_invert_vblank_lines;
};
// device type definition
DECLARE_DEVICE_TYPE(JALECO_MS32_SYSCTRL, jaleco_ms32_sysctrl_device)
//**************************************************************************
// GLOBAL VARIABLES
//**************************************************************************
#endif // MAME_MACHINE_JALECO_MS32_SYSCTRL_H
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