// 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
***************************************************************************/
#pragma once
#ifndef __CR511B_H__
#define __CR511B_H__
#include "emu.h"
#include "imagedev/chd_cd.h"
#include "sound/cdda.h"
//**************************************************************************
// INTERFACE CONFIGURATION MACROS
//**************************************************************************
#define MCFG_CR511B_ADD(_tag) \
MCFG_DEVICE_ADD(_tag, CR511B, 0)
#define MCFG_CR511B_STCH_HANDLER(_devcb) \
devcb = &cr511b_device::set_stch_handler(*device, DEVCB_##_devcb);
#define MCFG_CR511B_STEN_HANDLER(_devcb) \
devcb = &cr511b_device::set_sten_handler(*device, DEVCB_##_devcb);
#define MCFG_CR511B_DRQ_HANDLER(_devcb) \
devcb = &cr511b_device::set_drq_handler(*device, DEVCB_##_devcb);
#define MCFG_CR511B_DTEN_HANDLER(_devcb) \
devcb = &cr511b_device::set_dten_handler(*device, DEVCB_##_devcb);
#define MCFG_CR511B_SCOR_HANDLER(_devcb) \
devcb = &cr511b_device::set_scor_handler(*device, DEVCB_##_devcb);
#define MCFG_CR511B_XAEN_HANDLER(_devcb) \
devcb = &cr511b_device::set_xaen_handler(*device, DEVCB_##_devcb);
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> cr511b_device
class cr511b_device : public device_t
{
public:
// construction/destruction
cr511b_device(const machine_config &mconfig, std::string tag, device_t *owner, UINT32 clock);
// callbacks
template<class _Object> static devcb_base &set_stch_handler(device_t &device, _Object object)
{ return downcast<cr511b_device &>(device).m_stch_handler.set_callback(object); }
template<class _Object> static devcb_base &set_sten_handler(device_t &device, _Object object)
{ return downcast<cr511b_device &>(device).m_sten_handler.set_callback(object); }
template<class _Object> static devcb_base &set_drq_handler(device_t &device, _Object object)
{ return downcast<cr511b_device &>(device).m_drq_handler.set_callback(object); }
template<class _Object> static devcb_base &set_dten_handler(device_t &device, _Object object)
{ return downcast<cr511b_device &>(device).m_dten_handler.set_callback(object); }
template<class _Object> static devcb_base &set_scor_handler(device_t &device, _Object object)
{ return downcast<cr511b_device &>(device).m_scor_handler.set_callback(object); }
template<class _Object> static devcb_base &set_xaen_handler(device_t &device, _Object object)
{ return downcast<cr511b_device &>(device).m_xaen_handler.set_callback(object); }
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 machine_config_constructor device_mconfig_additions() const 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 m_sector_buffer[CD_MAX_SECTOR_DATA];
};
// device type definition
extern const device_type CR511B;
#endif