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// license:GPL-2.0+
// copyright-holders:Dirk Best
/***************************************************************************
CR-511-B CD-ROM drive
CD-ROM drive with a custom MKE/Panasonic interface as used in the
Commodore CDTV and early SoundBlaster cards.
1 _RESET 2 GND
3 EFFK 4 SCCK
5 SBCP 6 SCOR
7 GND 8 GND
9 C16M 10 GND
11 _XAEN 12 GND
13 EMPASIS 14 D0
15 LRCK 16 DSCK
17 _MUTE 18 GND
19 _BUSY 20 _STCH
21 _ENABLE 22 DRQ
23 _HWR 24 GND
25 _DTEN 26 _HRD
27 _STEN 28 _CMD
29 _EOP 30 GND
31 DB7 32 GND
33 DB6 34 DB5
35 DB4 36 GND
37 DB3 38 DB2
39 DB1 40 DB0
***************************************************************************/
#ifndef MAME_MACHINE_CR511B_H
#define MAME_MACHINE_CR511B_H
#pragma once
#include "imagedev/chd_cd.h"
#include "sound/cdda.h"
class cr511b_device : public device_t
{
public:
// construction/destruction
cr511b_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
// callbacks
template <class Object> devcb_base &set_stch_handler(Object &&cb) { return m_stch_handler.set_callback(std::forward<Object>(cb)); }
template <class Object> devcb_base &set_sten_handler(Object &&cb) { return m_sten_handler.set_callback(std::forward<Object>(cb)); }
template <class Object> devcb_base &set_drq_handler(Object &&cb) { return m_drq_handler.set_callback(std::forward<Object>(cb)); }
template <class Object> devcb_base &set_dten_handler(Object &&cb) { return m_dten_handler.set_callback(std::forward<Object>(cb)); }
template <class Object> devcb_base &set_scor_handler(Object &&cb) { return m_scor_handler.set_callback(std::forward<Object>(cb)); }
template <class Object> devcb_base &set_xaen_handler(Object &&cb) { return m_xaen_handler.set_callback(std::forward<Object>(cb)); }
auto stch_handler() { return m_stch_handler.bind(); }
auto sten_handler() { return m_sten_handler.bind(); }
auto drq_handler() { return m_drq_handler.bind(); }
auto dten_handler() { return m_dten_handler.bind(); }
auto scor_handler() { return m_scor_handler.bind(); }
auto xaen_handler() { return m_xaen_handler.bind(); }
DECLARE_READ8_MEMBER( read );
DECLARE_WRITE8_MEMBER ( write );
DECLARE_WRITE_LINE_MEMBER( enable_w );
DECLARE_WRITE_LINE_MEMBER( cmd_w );
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
virtual void device_add_mconfig(machine_config &config) override;
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
private:
enum
{
STATUS_DOOR_CLOSED = 0x80,
STATUS_MEDIA = 0x40,
STATUS_MOTOR = 0x20,
STATUS_ERROR = 0x10,
STATUS_SUCCESS = 0x08,
STATUS_PLAYING = 0x04,
STATUS_DOOR_LOCKED = 0x02,
STATUS_READY = 0x01
};
required_device<cdrom_image_device> m_cdrom;
required_device<cdda_device> m_cdda;
devcb_write_line m_stch_handler;
devcb_write_line m_sten_handler;
devcb_write_line m_drq_handler;
devcb_write_line m_dten_handler;
devcb_write_line m_scor_handler;
devcb_write_line m_xaen_handler;
emu_timer *m_frame_timer;
//bool m_motor;
// state of lines
int m_enabled;
int m_cmd;
// data transfer
//uint8_t m_sector_buffer[CD_MAX_SECTOR_DATA];
};
DECLARE_DEVICE_TYPE(CR511B, cr511b_device)
#endif // MAME_MACHINE_CR511B_H
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