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// license:BSD-3-Clause
// copyright-holders:Nigel Barnes
/**********************************************************************
BBC Micro Voice Synthesis Processor slot emulation
This socket is intended to have a TMS5220 fitted as part of the Acorn
Speech System upgrade, but Cheetah provided a cheaper speech solution
using a SP0256 that fitted a board into this socket.
**********************************************************************/
#include "emu.h"
#include "slot.h"
//**************************************************************************
// DEVICE DEFINITIONS
//**************************************************************************
DEFINE_DEVICE_TYPE(BBC_VSP_SLOT, bbc_vsp_slot_device, "bbc_vsp_slot", "BBC Micro Voice Synthesis Processor slot")
//**************************************************************************
// DEVICE BBC_VSP CARD INTERFACE
//**************************************************************************
//-------------------------------------------------
// device_bbc_vsp_interface - constructor
//-------------------------------------------------
device_bbc_vsp_interface::device_bbc_vsp_interface(const machine_config &mconfig, device_t &device)
: device_interface(device, "bbcvsp")
, m_slot(dynamic_cast<bbc_vsp_slot_device *>(device.owner()))
{
}
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
//-------------------------------------------------
// bbc_vsp_slot_device - constructor
//-------------------------------------------------
bbc_vsp_slot_device::bbc_vsp_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
: device_t(mconfig, BBC_VSP_SLOT, tag, owner, clock)
, device_single_card_slot_interface<device_bbc_vsp_interface>(mconfig, *this)
, device_mixer_interface(mconfig, *this)
, m_vsm(*this, finder_base::DUMMY_TAG)
, m_card(nullptr)
{
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void bbc_vsp_slot_device::device_start()
{
m_card = get_card_device();
}
//-------------------------------------------------
// read
//-------------------------------------------------
uint8_t bbc_vsp_slot_device::read()
{
if (m_card)
return m_card->read();
else
return 0x00;
}
int bbc_vsp_slot_device::readyq_r()
{
if (m_card)
return m_card->readyq_r();
else
return 1;
}
int bbc_vsp_slot_device::intq_r()
{
if (m_card)
return m_card->intq_r();
else
return 1;
}
//-------------------------------------------------
// write
//-------------------------------------------------
void bbc_vsp_slot_device::write(uint8_t data)
{
if (m_card)
m_card->write(data);
}
void bbc_vsp_slot_device::combined_rsq_wsq_w(uint8_t data)
{
if (m_card)
m_card->combined_rsq_wsq_w(data);
}
//-------------------------------------------------
// SLOT_INTERFACE( bbc_vsp_devices )
//-------------------------------------------------
// slot devices
#include "speech.h"
#include "sweetalker.h"
void bbc_vsp_devices(device_slot_interface &device)
{
device.option_add("speech", BBC_SPEECH);
device.option_add("sweetalker", BBC_SWEETALKER);
}
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