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// license:BSD-3-Clause
// copyright-holders:Aaron Giles
#ifndef MAME_AUDIO_NAMCO52_H
#define MAME_AUDIO_NAMCO52_H
#include "sound/discrete.h"
#include "cpu/mb88xx/mb88xx.h"
class namco_52xx_device : public device_t
{
public:
namco_52xx_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
template <typename T> void set_discrete(T &&tag) { m_discrete.set_tag(std::forward<T>(tag)); }
void set_basenote(int node) { m_basenode = node; }
void set_extclock(attoseconds_t clk) { m_extclock = clk; }
auto romread_callback() { return m_romread.bind(); }
auto si_callback() { return m_si.bind(); }
namco_52xx_device &set_irq_duration(attotime t) { m_irq_duration = t; return *this; }
DECLARE_WRITE_LINE_MEMBER( reset );
WRITE_LINE_MEMBER( chip_select );
void write(uint8_t data);
protected:
// device-level overrides
virtual void device_start() override;
virtual const tiny_rom_entry *device_rom_region() const override;
virtual void device_add_mconfig(machine_config &config) override;
TIMER_CALLBACK_MEMBER( latch_callback );
TIMER_CALLBACK_MEMBER( external_clock_pulse );
private:
// internal state
required_device<mb88_cpu_device> m_cpu;
required_device<discrete_device> m_discrete;
attotime m_irq_duration;
int m_basenode;
attoseconds_t m_extclock;
emu_timer *m_extclock_pulse_timer;
devcb_read8 m_romread;
devcb_read8 m_si;
uint8_t m_latched_cmd;
uint32_t m_address;
uint8_t K_r();
DECLARE_READ_LINE_MEMBER( SI_r );
uint8_t R0_r();
uint8_t R1_r();
void P_w(uint8_t data);
void R2_w(uint8_t data);
void R3_w(uint8_t data);
void O_w(uint8_t data);
};
DECLARE_DEVICE_TYPE(NAMCO_52XX, namco_52xx_device)
/* discrete nodes */
#define NAMCO_52XX_P_DATA(base) (base)
#endif // MAME_AUDIO_NAMCO52_H
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