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// license:BSD-3-Clause
// copyright-holders:Sandro Ronco
#ifndef MAME_MACHINE_SPG290_CDSERVO_H
#define MAME_MACHINE_SPG290_CDSERVO_H
#pragma once
#include "imagedev/chd_cd.h"
class spg290_cdservo_device : public device_t
{
public:
spg290_cdservo_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
template <typename T>
spg290_cdservo_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock, T &&cdrom_tag)
: spg290_cdservo_device(mconfig, tag, owner, clock)
{
m_cdrom.set_tag(std::forward<T>(cdrom_tag));
}
void write(offs_t offset, uint32_t data, uint32_t mem_mask);
uint32_t read(offs_t offset, uint32_t mem_mask);
auto irq_cb() { return m_irq_cb.bind(); }
auto space_write_cb() { return m_space_write_cb.bind(); }
protected:
virtual void device_start() override;
virtual void device_reset() override;
TIMER_CALLBACK_MEMBER(cd_update);
private:
void change_status();
void add_qsub(int sector, uint8_t addrctrl, uint8_t track, uint8_t index, uint32_t rel_msf, uint32_t abs_msf, uint16_t crc16=0);
void generate_qsub(cdrom_file *cdrom);
void servo_cmd_r();
void servo_cmd_w();
optional_device<cdrom_image_device> m_cdrom;
devcb_write_line m_irq_cb;
devcb_write8 m_space_write_cb;
emu_timer *m_cdtimer;
uint32_t m_addr;
uint32_t m_data;
uint32_t m_buf_start;
uint32_t m_buf_end;
uint32_t m_buf_ptr;
uint8_t m_speed;
uint8_t m_seek_min;
uint8_t m_seek_sec;
uint8_t m_seek_frm;
uint32_t m_seek_lba;
uint32_t m_sector_size;
uint32_t m_dsp_data;
bool m_frame_found;
uint32_t m_control0;
uint32_t m_control1;
uint16_t m_skip;
uint32_t m_dsp_regs[0x10];
std::unique_ptr<uint32_t[]> m_dsp_memory;
std::unique_ptr<uint8_t[]> m_qsub;
uint32_t m_tot_sectors;
int m_cur_sector;
};
DECLARE_DEVICE_TYPE(SPG290_CDSERVO, spg290_cdservo_device)
#endif // MAME_MACHINE_SPG290_CDSERVO_H
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