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// license:BSD-3-Clause
// copyright-holders:Carl
#ifndef MAME_BUS_ISA_STEREO_FX_H
#define MAME_BUS_ISA_STEREO_FX_H
#pragma once
#include "isa.h"
#include "bus/pc_joy/pc_joy.h"
#include "cpu/mcs51/mcs51.h"
#include "sound/ym3812.h"
//*********************************************************************
// TYPE DEFINITIONS
//*********************************************************************
// ====================> stereo_fx_device
class stereo_fx_device : public device_t,
public device_isa8_card_interface
{
public:
// construction/destruction
stereo_fx_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
protected:
// device-level overrides
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;
// optional information overrides
virtual const tiny_rom_entry *device_rom_region() const override;
virtual void device_add_mconfig(machine_config &config) override;
uint8_t dack_r(int line) override;
void dack_w(int line, uint8_t data) override;
required_device<pc_joy_device> m_joy;
required_device<i80c31_device> m_cpu;
private:
// internal state
bool m_data_in;
uint8_t m_in_byte;
bool m_data_out;
uint8_t m_out_byte;
uint8_t m_port20;
uint8_t m_port00;
emu_timer *m_timer;
uint8_t m_t0;
uint8_t m_t1;
// mcu ports
uint8_t dev_dsp_data_r();
void dev_dsp_data_w(uint8_t data);
uint8_t p1_r();
uint8_t p3_r();
void p3_w(uint8_t data);
void dev_host_irq_w(uint8_t data);
void raise_drq_w(uint8_t data);
void port20_w(uint8_t data);
void port00_w(uint8_t data);
// host ports
uint8_t dsp_data_r();
void dsp_cmd_w(uint8_t data);
void dsp_reset_w(uint8_t data);
uint8_t dsp_wbuf_status_r();
uint8_t dsp_rbuf_status_r();
uint8_t invalid_r();
void invalid_w(uint8_t data);
void stereo_fx_io(address_map &map);
void stereo_fx_rom(address_map &map);
};
// device type definition
DECLARE_DEVICE_TYPE(ISA8_STEREO_FX, stereo_fx_device)
#endif // MAME_BUS_ISA_STEREO_FX_H
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