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// license:BSD-3-Clause
// 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.
***************************************************************************/
#include "emu.h"
#include "cr511b.h"
//**************************************************************************
// DEVICE DEFINITIONS
//**************************************************************************
DEFINE_DEVICE_TYPE(CR511B, cr511b_device, "cr511b", "CR-511-B CD-ROM drive")
//-------------------------------------------------
// device_add_mconfig - add device configuration
//-------------------------------------------------
void cr511b_device::device_add_mconfig(machine_config &config)
{
CDROM(config, m_cdrom).set_interface("cdrom");
CDDA(config, m_cdda);
m_cdda->add_route(0, ":lspeaker", 1.0);
m_cdda->add_route(1, ":rspeaker", 1.0);
m_cdda->set_cdrom_tag("cdrom");
}
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
//-------------------------------------------------
// cr511b_device - constructor
//-------------------------------------------------
cr511b_device::cr511b_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
device_t(mconfig, CR511B, tag, owner, clock),
m_cdrom(*this, "cdrom"),
m_cdda(*this, "cdda"),
m_stch_handler(*this),
m_sten_handler(*this),
m_drq_handler(*this),
m_dten_handler(*this),
m_scor_handler(*this),
m_xaen_handler(*this),
//m_motor(false),
m_enabled(-1),
m_cmd(-1)
{
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void cr511b_device::device_start()
{
// resolve callbacks
m_stch_handler.resolve_safe();
m_sten_handler.resolve_safe();
m_drq_handler.resolve_safe();
m_dten_handler.resolve_safe();
m_scor_handler.resolve_safe();
m_xaen_handler.resolve_safe();
}
//-------------------------------------------------
// device_reset - device-specific reset
//-------------------------------------------------
void cr511b_device::device_reset()
{
}
//**************************************************************************
// IMPLEMENTATION
//**************************************************************************
uint8_t cr511b_device::read()
{
return 0xff;
}
void cr511b_device::write(uint8_t data)
{
}
void cr511b_device::enable_w(int state)
{
m_enabled = state;
}
void cr511b_device::cmd_w(int state)
{
m_cmd = state;
}
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