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// license:BSD-3-Clause
// copyright-holders:windyfairy
#ifndef MAME_MACHINE_K573FPGA_H
#define MAME_MACHINE_K573FPGA_H
#pragma once
#include "sound/mas3507d.h"
#include "machine/ds2401.h"
DECLARE_DEVICE_TYPE(KONAMI_573_DIGITAL_FPGA, k573fpga_device)
class k573fpga_device : public device_t
{
public:
k573fpga_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock = 0);
void set_ddrsbm_fpga(bool flag) { use_ddrsbm_fpga = flag; }
void set_ram(u16 *v) { ram = v; }
u16 get_decrypted();
void set_crypto_key1(u16 v) { crypto_key1 = v; }
void set_crypto_key2(u16 v) { crypto_key2 = v; }
void set_crypto_key3(u8 v) { crypto_key3 = v; }
uint32_t get_mp3_cur_adr() { return mp3_cur_adr; }
void set_mp3_cur_adr(u32 v) { mp3_cur_adr = v; }
uint32_t get_mp3_end_adr() { return mp3_end_adr; }
void set_mp3_end_adr(u32 v) { mp3_end_adr = v; }
u16 i2c_read();
void i2c_write(u16 data);
u16 get_mpeg_ctrl();
void set_mpeg_ctrl(u16 data);
bool is_playing() { return (mpeg_ctrl_flag & 0xe000) == 0xe000 && mp3_cur_adr < mp3_end_adr; }
protected:
virtual void device_start() override;
virtual void device_reset() override;
private:
u16 *ram;
u16 crypto_key1, crypto_key2;
u8 crypto_key3;
u32 mp3_cur_adr, mp3_end_adr, mpeg_ctrl_flag;
bool use_ddrsbm_fpga;
u16 decrypt_default(u16 data);
u16 decrypt_ddrsbm(u16 data);
};
#endif // MAME_MACHINE_K573FPGA_H
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