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// license:BSD-3-Clause
// copyright-holders:Olivier Galibert
#ifndef MAME_SOUND_MAS3507D_H
#define MAME_SOUND_MAS3507D_H
#pragma once
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
class mas3507d_device : public device_t, public device_sound_interface
{
public:
// construction/destruction
mas3507d_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
int i2c_scl_r();
int i2c_sda_r();
void i2c_scl_w(bool line);
void i2c_sda_w(bool line);
protected:
virtual void device_start() override;
virtual void device_reset() override;
virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) override;
private:
enum { IDLE, STARTED, NAK, ACK, ACK2 } i2c_bus_state;
enum { UNKNOWN, VALIDATED, WRONG } i2c_bus_address;
bool i2c_scli, i2c_sclo, i2c_sdai, i2c_sdao;
int i2c_bus_curbit;
uint8_t i2c_bus_curval;
void i2c_nak();
bool i2c_device_got_address(uint8_t address);
void i2c_device_got_byte(uint8_t byte);
void i2c_device_got_stop();
enum { UNDEFINED, CONTROL, DATA, BAD } i2c_subdest;
enum { CMD_BAD, CMD_RUN, CMD_READ_CTRL, CMD_WRITE_REG, CMD_WRITE_MEM, CMD_READ_REG, CMD_READ_MEM } i2c_command;
int i2c_bytecount;
uint32_t i2c_io_bank, i2c_io_adr, i2c_io_count, i2c_io_val;
void mem_write(int bank, uint32_t adr, uint32_t val);
void run_program(uint32_t adr);
void reg_write(uint32_t adr, uint32_t val);
};
// device type definition
DECLARE_DEVICE_TYPE(MAS3507D, mas3507d_device)
#endif // MAME_SOUND_MAS3507D_H
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