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// license:BSD-3-Clause
// copyright-holders:Angelo Salese
/***************************************************************************
NEC PC-9801-86
***************************************************************************/
#pragma once
#ifndef __PC9801_86DEV_H__
#define __PC9801_86DEV_H__
#include "machine/pic8259.h"
#include "sound/2608intf.h"
#include "sound/dac.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> pc9801_86_device
class pc9801_86_device : public device_t
{
public:
// construction/destruction
pc9801_86_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
// optional information overrides
virtual machine_config_constructor device_mconfig_additions() const override;
virtual ioport_constructor device_input_ports() const override;
DECLARE_READ8_MEMBER(opn_porta_r);
DECLARE_WRITE8_MEMBER(opn_portb_w);
DECLARE_READ8_MEMBER(opn_r);
DECLARE_WRITE8_MEMBER(opn_w);
DECLARE_READ8_MEMBER(id_r);
DECLARE_WRITE8_MEMBER(mask_w);
DECLARE_READ8_MEMBER(pcm_r);
DECLARE_WRITE8_MEMBER(pcm_w);
DECLARE_WRITE_LINE_MEMBER(sound_irq);
virtual const tiny_rom_entry *device_rom_region() const override;
protected:
// device-level overrides
virtual void device_validity_check(validity_checker &valid) const override;
virtual void device_start() override;
virtual void device_reset() override;
void install_device(offs_t start, offs_t end, read8_delegate rhandler, write8_delegate whandler);
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
private:
int queue_count();
uint8_t queue_pop();
uint8_t m_joy_sel, m_mask, m_pcm_mode, m_vol[7], m_pcm_ctrl, m_pcm_mute;
uint16_t m_head, m_tail, m_count, m_irq_rate;
bool m_pcmirq, m_fmirq;
required_device<ym2608_device> m_opna;
required_device<dac_word_interface> m_ldac;
required_device<dac_word_interface> m_rdac;
std::vector<uint8_t> m_queue;
emu_timer *m_dac_timer;
};
// device type definition
extern const device_type PC9801_86;
//**************************************************************************
// GLOBAL VARIABLES
//**************************************************************************
#endif
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